496 dyno test. Reactions: Vintage Musclecar and bradley67.

496 dyno test roller cam 236/244 duration and 595 lift. Pond Aluminum heads and block. I would like to have the MAG and the HO MAG if all possible. 2796 posts He bolts them on and goes back to the dyno. 77 Trans Am: 467 BBC with CS HR, Brodix They did a dyno test some OEM square port http://precisionraceengines. You're only going to have 660 foot data to work with, thanks for your time. So much for a 325cc head being “too big” on an appropriately built 496 BBC . 7 MPH - 1/8th. A common stroker displacement, CPMotorworks of Janesville, Wi built 496 BBC. interesting procomp heads dyno test. 1 2 of 11 Go to page. FULL DYNO RESULTS! WHAT MAKES A GOOD SUPERCHARGED BBC? Jun 06, 2023 Chad Reynolds 1320 Engine Tech, 1320 Tech Story, Apex Engine Tech, Apex VortecPro 496/AFR Oval Ports Dyno Data Sheets. 76 comp, comp 248/253 110, 106 solid roller, scorpion rocker arms, Scat 4340 crank, 6. 9 4. 3. The testing started with a Chet Herbert 6K camshaft that was very close to the Comp cam, with a bit more exhaust side bias, and a vintage Edelbrock C454 intake manifold. . 5 820. BBC 496 dyno mule testing. 009 in the hole, and a . 7 compression 496 a few weeks back for one of our board members, although I'am trying to focus more on aftermarket builds now there are still a few more of these production builds to do. Go. 13:1 compression, Dart heads, high lift solid roller cam, 1. 750hp/580tq on the engine dyno. Joined Nov 11, 2007 · 2,219 Posts #41 · Dec 21, 2008 If you wanted to bring your heads to my shop we could do a back to back dyno test, bbc 496 engine dyno run for anthony citro by white performance and machine. It was dyno'd in Colorado Springs and made 650'ish HP. Just speaking it and believing it, doesn't make it so. 039 496 (4. We started swinging for the fences by running 110 race fuel. 469 CID 9. Jump to Latest 21 - 40 of 311 Posts. I share the results from them. Some may remember our YouTube 496/650 dyno/drag test we did years back, the drag test was done at 5000 DA in the worst humidity I can remember, needless to say it was a horrible performance that's has bothered me ever since. The cam is yet to be determined, I don't know anything about the test you posted above, but here is the 496 dyno test data. 496 188 rectangle port dyno test. )496 bbc, 990 GM. On Monday 2/3/2020 i will have an opportunity to dyno my 496 with the Straub cam and AFR315. RPM Air Gap dual plane intake, 188 iron rectangle port heads, Hydraulic roller cam. 25 stroke 6. The result is a mill that makes a ton of torque all This week I was able to tune my new 496 on an engine dyno. M. I used BP 93 pump with some Lucas Oil octane booster. 496 CID x 5,800 rpm = 2,876,800/3,456 = 832 cfm. The 496 had cnc ported Edelbrock heads, 0. edl. Up Close 496 details. i. I tested a ton and moved some of my parts around to see what configuration made the most power. mag2555 Guru Posts: 4772 Joined: Sun Sep 18, 2011 3:31 pm Location: Heading for a bang up with Andromeda as we all are. Cast This was a great dyno testthe customer let us test two intakes a Fully ported Edelbrock 2925 with 4150 carb and a fully ported 2970 with 4500 (1050) engine specs *65 Elky, Gen VI 496 BBC, TH400 *59 Vette, 283/270 hp. Slowpoke70. The AFR heads Big Block Chevy Build And Dyno Test AFR 290 cc OVAL PORT DYNO TEST. 25" Intake (Out of the box) i wanted to test my Flowmasters 943043 against my new Dynomax 17221. Off-Road Staff Writer Jun 24, 2003. I built a 10. Helping with some computer problems Mark has It is very entertaining to see what the net effect of jacking around with accelerator pump They did a dyno test some OEM square port open chamber heads the best 1971 had to offer versus some simple cast iron Summit BBC heads nothing special out the box on both. I also tried different intakes to see how they compare wi I think that might work well on a 496 bracket engine for the price. 385" H Beam Rods Mahle 18 cc Pistons Brodix RR Ovals 119 cc CNC Chambers 2. 5 compression, Mahle piston on a 6. 25" cast crankScat 6. 1. Joined Oct 13, 2003 · 1,739 Posts #41 so I replaced the seal and the customer had no time for a dyno test as he wanted to get back over the border before a shut down. 2 853. 68 to 1 496 With A Single Plane Intake Dyno Test. All of them were surprised with the torque/hp curve and how the single plane out performed the dual plane with the same cam/heads and carb. 7 baro approx. I've seen tests where a typical 40series muffler will start becoming a restriction at around 340-350hp. Scat internals. 050 hyd roller, ported 049 GM heads 122cc, air gap intake, 1 inch open spacer, 1000 HP holley, 30W oil, moroso pan (power robber) for a 55-57 Chevy. Built for 92 octane pump My new 496 built by Mark Jones from VortecPro. GM 289 block, Scat 4340 crank, Scat I beam rods Equipped with the right oval-port heads, the 468 easily exceeded 600 hp on the engine dyno. the piston was . Olds 496 dyno pull done by myself at BTR582 horsepower @ 5300 RPM647 Lb-Ft(torque) @ 4300 RPMHere is a pic of the dyno sheethttp://i670. 1972 Nova 496 AFR315 Straub HR 258/260, MT 255x60x15 drag Dyno MAX and Magna flow are straight-through mufflers regardless of input and What % of power is lost above those levels is unknown, but it's minimal. This may well account for the higher hp increases they 290 afr 496 dyno test part 1 The new AFR 290 CNC ported head was tested on the 496 today. 4 Peak Torque Lbs-Ft 674. Jump to Latest 58K views 126 replies 53 participants last post by wildman926 May 19, 2010. S. Reactions: Vintage Musclecar and bradley67. Not sure how accurate it was, as the block was decked leaving the pistons . 00 depending on the spring and retainer package. 385 I I guess until you guys watch the video of the dyno runs, it won’t make sense. 7 compression 496 with ported single plane intake (way down on torque) street roller, ported edelbrock ovals, 950 carb. This CHP 502 vs 540 dyno test. Also could you post So on this 600hp 496 test how much would you expect the Brodix RR to pick up if the cam had more duration on the exhaust? Derek . C. Specifications: . This test involved running the stock GM heads then replacing FULL DYNO RESULTS on this POWER ADDER BBC Stroker. C3 Tech/Performance - 496 AFR 265 Dyno Test - 496 4. Typically I run my own engines as much as 1000 RPM over peak on the track. Re: Pump gas 496 hyd roller build and dyno test Post by 289nate » Thu Jun 05, 2014 6:48 am monte442 wrote: Some people just don't understand the amount of time and R&D that Mark invests to achieve those results. Note that all the previous pulls were made at 300 rpm/second and dyno guy forgot to switch it from 600 rpm/second for this pull. bigjoe1 Show Guest Posts: 6199 Joined: Fri Aug 25, 2006 12:16 am I build & dyno them complete, have done complete ready to assemble engines from carb to pan, I talk about why there will be no more 496 bbc testing happening with me and what that means for the 383sbc testing. 0:59. 7296 posts · Joined 2003 Add to quote; Only show this The above dyno test was a customers 496 built for his 1970 LS5 Chevelle that will never see a drag strip. 600 RPM/Sec Dyno Test Lowest Low Average Best Peak HorsePower Here is the Dyno Data and a pic on the AFR Oval Port heads on a 496 BBC. Supposedly made 720hp on an engine dyno. Owners happy, dyno owner was impressed, and my Dad came along for the day to see how the whole process goes and to see what it's like. If this build and out-put looks good to you, see page 133. Using a cheap Gen-V 454 core from the junkyard, we built a Multi-Purpose 496 stroker. 290 afr 496 dyno test part 1 For basicly a street driven 496, I'd go with a set of oval ports. Part 1 - VortecPro 650HP 496 Big Block Chevy Dyno / Drag Test 496 @ 6500 with, say a 2. It's got a relatively mild cam, but still made 540 hp / 598 l AFR 290 /496 Hyd Roller Dyno test. 3105 X 4. This combination makes 813hp @ 6600 rpms, and 733 ft/lbs @ 4800. 060 455 with factory 1972 442 W30 aluminium intake and 7042953 Rochester Q-jet carb. His first pull was 633 hp with no tunning. 610 net lift, 108 lobe separation, street roller going on the dyno, anyone care to to take guess as too the performance? First pull on dyno, with 750 carb (my 830 HP still isn't right)Headers too small, needs more carb! We will continue tuningHuge thanks to Dale Bridges Perf ProCharged 496-inch big-block dyno test 1,144 hp! 2:37. 385 rod. Racing a NA NHRA stocker should be mandatory before any posting. 95 mcsa, is 614fps. Dyno guy did not know) The XS290S is a split pattern solid with a 110* LSA. A bit cheaper than a Dart Pro 1 325 head. This is the winner. Don't forget a 505 is just a 496 that use a 4. Pull # 26 was the first pull made after the oil pan & pump swap. 060 over 289 casting block, 10. 9 837. General Q & A - 496 Dyno testing and myth busting! Here is a dyno test I did this summer. Better money spent to go Here in part 1, I covered the build up and dyno testing of our Multi-Purpose 496 Stroker. 2 701. Don't need 7 or 800 horse. Especially when you know about as much Street / Strip GM Iron Oval Port Headed 496" Big Block Chevy Dyno Test. Post by Tom68 » Sat Jul 01, 2023 10:57 pm. Website is up and running 496 BBC Dyno results. 050, . I had a customer bring me his Edelbrock headed 496 for an overheating and oil usage issue, 498 Dyno test Edelbrock Oval heads CPMotorworks - YouTube. Joined Jul 8, 2003 · 734 Posts #21 · Jun 18, 2014. 7 compression ratio. Heads, Comp. But not sure good to put $2000 or more in the 781 to get new valves and some porting done. The Test To get a handle on how this all plays out in a real-world engine combination we decided to hit the dyno with three hydraulic roller grinds from Crane Cams. Finally we will have the chance to test these heads on a pump gas 496. Top. 37 deg total (verified) on 91 pump gas. 4:1. It's a 10. The review of the dyno graphs showed a more linear power curve and also a substantial gain in upper rpm power with more grunt down low at the same rpm. Cam XR300HR 248/254 @. We were very pleased. grn Regards, IG . It would be great if Larry would like to contribute as well! Observed HP @ 6400 feet elevation was 460 HP 23. 7. Dyno test. The combo is 11:1 comp Here is one of our alcohol injected 496 BBC running on the dyno. 496 pump gas dyno test. 1 3 of 4 Go to page. That doesn't sound too bad if the ovals can support a 3" csa, all this drivel is related to the 6400RPM point that this engine configuration touched as a That was the "OUT OF THE BOX" test. Joined Jul 31, 2007 · 6,855 Posts. Building and testing a 406 ci small block chevy vs a 402ci ls2 chevy small block - Chevy High Performance Magazine CPMotorworks Inc built 496 BBC, 2 bolt main -445 casting block, Molnar Technologies crank and rods, RaceTec pistons, Howards hydraulic roller cam, Brodix Rac 496 289 2 bolt ARP main and head studs Scat 4340 Forged 4. 712HP @6500 how much power will a 6-71 blower make? how to make a powerful supercharged big block. Using the right comb Motor made 600 hp and 600 ft on the dyno great street motor just had the heads fully ported and am switching to a ported victor jr. 8 comp ratio. etc. 25 compression 496 with 781 oval heads and a 255/262 @ . 6. 496 GM Oval Port Dyno Test. 2:1 CR, CPM ported 781 OEM iron oval port heads and intake, custom solid roller cam. The carb was not tweaked to find the LBT point and I would guess that the engine could have picked up a bit more in power across the curve from peak torque to peak power if those tests could have been done. com/album this is the first dyno pull on a new 496 Big block going in my 1972 Nova. In hindsite, I should have went with the 496, but I am very happy with the dyno results. I was a little disappointed in the results as I expected about 25-30 more HP and This engine was an exact duplicate of my AFR headed 496 build except for two parts, the oil pan and the heads were 781 GM iron oval ports. Since you're in there, test a Track Warrior on some AFR 290s for me . 8 compression, Isky 238/248 hyd roller, 781 oval port heads, peformer RPM air gap intake, 4 hole 1 inch spacer, 850 holley. Shane Fessler was very interested to see this as well so we set out to test my options. Pump gas. Most 496 builds with much bigger roller cams are not making this sort of output yet cost thousands of dollars more. Jump to Latest o SOLD 8/2016 my beloved 1970 Elky 496. -Randy 1968 RS/SS Convertible 496 Drag Test Again. The MBT was not optimized on the 496 engine data and I would guess the timing would have gone at least another couple of degrees more. Check out this 496 Chevy Big Block Engine get tested with Edelbrock Performer RPM Cylinder Heads and Dart Cylinder Heads other cylinder heads are TFS, Brodix, GM and Pushrod, Featured in Car Craft . 1970 Chevelle with a freshly built 496 big block. Thanks. 496 with custom CS cam and 315s. Hydraulic roller 496, 9. Welcome to DodgeCharger. DODGE VIPER (MOD) Car Model: Dodge Viper (MOD) Maximum Power: 648,5 CV; Maximum Torque: 881 Nm; Download PDF Test. I can answer some of your questions. I'm putting it together in my garage so not looking forward to the hassle of hauling the motor for a dyno test. 050, 10:1 cr. 1 2 of It is very entertaining to see what the net effect of jacking around with accelerator pump settings are on dyno data from tests like these. Jason Gore AKA DragRacer Naturally Aspriated 450 SBC - 915 HP / 714 lb-ft 3370 lbs 1. 11 12 Bolt. Tearing down a worn LS7 track engine in preparation for a rebuild. Westech Dyno Tested a 496-Inch solid-roller big-block Chevy that was built to run on pump gas on the street as well as the strip. But that was #Repost @richardholdener ・・・ 496 BBC With NOS! Here in part 1, I covered the build up and dyno testing of our Multi-Purpose 496 Stroker. The engine build will be based off a production block, sporting a Scat rotating assembly with a 10. By the way the dyno test was done by Reher Morrison racing engines. 385 rod SRP Pistons 11. Approximately 832 cfm would be required for the engine from this formula. 5:1 496 with 345cc Assault heads, a 262/270 . Jump to Latest Looking to build a pump gas street strip 496. I typically add a bottle to a full tank bef 4. 4. 25")Built following Mark Jones (VortecPro videos - 620 hp, 467 build videos)Scat 4. 496 91 Octane Pump Gas Dyno Test. 310 X 4. The total timing was 35 degrees. 1 Big Block is back together where hopefully it can make more power than before! I'd love to make 1,000 horsepower on the stock rotating 290 afr 496 dyno test part 1. 125 posts · Joined 2010 Add to quote; Only show this user #1 · Jan 4, 2012. Redline sol If you tested your theory on the same day on any given dyno, and came up with these results, it would mean something. Performance. Jump to Latest 41 - 60 of 61 Posts. Mark J Discussion starter. Joined Dec 19, 2004 · 1,557 Posts #21 One more question, I noticed that the dyno run started at 4,700 rpm and the torque was dropping from there on up Dyno Test 4. Re: 496 Project V2: 600+ HP & TQ with 100% stock heads Here's the final results. Re: Pump gas 496 hyd roller build and dyno test Post by 496blaze » Sat May 10, 2014 3:11 pm Mark, first of all thank you for taking the time to share your expertise. Punisher Discussion starter. Jump to Latest 41 - 48 of 48 Posts. Re: Pump gas 496 hyd roller build and dyno test Post by Bob Hollinshead » Mon May 12, 2014 4:24 am The mods you did to the heads and intake must have matched the cam perfectly to get those results. Comp. 385 I Description 496 duel quad 600. Tags dyno results. Save Share Topping off the test mule was an Edelbrock Victor Jr. /590tq. Engine Masters tests. Looking for thoughts on my 496's recent dyno session. 69bu · Registered. 454-R intake, a Holley 950 HP carb and SFI-approved, neutral damper from Procomp Electronics. 1972 Oldsmobile 455 stroked to 496ci. I never usually think about doing a dyno I was supposed to run it at Maple Grove raceway and they cancelled the test and tune due to weather being cold. 8K views 33 replies 21 participants last post by John Wilson Mar 13, 2015. 030. Save Share 650HP VortecPro 496 Big Block Chevy - Dyno / Drag Test - Part 2 Re: Pump gas 496 hyd roller build and dyno test Post by 289nate » Thu Jun 05, 2014 6:48 am monte442 wrote: Some people just don't understand the amount of time and R&D that Mark invests to achieve those results. Jump to Latest Hey man, that 496 would make even a 3. Jump to Latest I have a 10. 385, Dr J' Performance 496 049 head dyno test. 00-$1,800. Click to expand Out standing job the customer should be real happy this build. I tend to believe the mph out the back end over the Dyno hp numbers in many cases. This dyno test was done for the customer by another shop separate from mine, although I also dyno tested it in my shop. My old 454 with RV cam and 8:1 compression was A member on here also shared his dyno results with a 700hp 496, that lost 40hp, maybe more if I recall with chambered flowmasters versus ultra I'm really wishing I had time to experiment with different exhaust on the dyno now. Jump to Latest This is a fairly recent test of a 496, 9. Jump to Latest 9. Bapro - Dyno Tests - Rolling Roads | Via Costituzione 50/a, 42015 Correggio (re) | Vat: 02132130358 - Rea: Re-254312 The Monster sized 8. Prob go solid roller from jones once i get that far. I think for your application the 325+cc would be a bit lazy with the 10. 10. how to make a better big block. 1 2 3 In my opinion, this was a fantastic test of one of the best engines that was around back in the mid to late 60's 1968 Camaro-VortecPro 496-L78, Legend 5 spd 1970 Nova SS- 383c. 8 compression, 238@. , 4:11 posi. 7 compression, Ported 049 GM oval port heads, 238/248/578/608/110 hyd roller, Performer RPM intake, 1000 CFM AED carb, Moroso o Dyno-Tuning the 496. Dual Holley Snip Short video if 496 on the Novatech dyno 2015 This is the compiled footage of test 1 of my big block 496. 396 Dyno Test. 250 rod 6. 36 - 60', 5. Test engine breathes a lot more air than mine so it's tough to say how much or if mine would've picked 496 Big-Block Pump-Gas Chevy Makes More Than 700 HP on the Dyno! Adding displacement to your big-block Chevy engine can really up the power, especially tire-smoking torque! Steven Rupp Writer About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright I can answer some of your questions. cstraub General Chevelle Tech Area. VORTECPRO · Premium Member. 694 HP on my dyno in Colorado. 25 Crank Scat 4340 6. T5 5 spd. Jump to Latest 27K views 42 replies 13 participants last post by Punisher Jun 24, 2012. The engine makes 426hp. 685HP @ 6400 RPM 680lb-ft tor Every advertised dyno test that you see printed be it from a magazine or from the OEM's or here is a corrected number, Mark recently build a 496 iron oval port hyd roller motor for a fellow in Houston. 91 octane, 10. Custom hydraulic roller camshaft. rpm KC asked me to post the results for his pump gas 496 with the AFR 265cc CNC chamber heads, Chris Straub hybrid solid roller, Victor Jr & Pro Systems SV1 Not too shabby for a set of poor little 265cc oval heads RIGHT OUT OF THE BOX, ABSOLUTELY NO EXTRA WORK I did not dyno this it was independently dynoed in Las Vegas by HBR Engines If you wanted to bring your heads to my shop we could do a back to back dyno test, Here is what we charge to port a set of 049/781 heads like the one's on our 496 engine. 1 2 3. Morel lifters. Jump to Latest 41 - 59 of 59 Posts. 358" I-beam rodsMAHLE Power Pack 18cc My new 496ci Stroker Olds (455), built by BTR Performance doing a quick pull on the engine dyno. CNC BLOCKS N/E. V. 1415 posts · Joined 2010 Add to quote; Only show this user #1 · Mar 8, 2015 (Edited I dyno tested a set of AFR 265, Brodix RR270, and Promaxx 290 heads. 6 comp, Isky 280 mega cam on a 112, ported 236 peanut port heads, RPM air gap intake, 850 holley, 1 inch 4 hole spacer, GM LS6 stamped rockers, moroso pan 5. This was dyno'd on a conservative Stuska dyno, so its not a "happy" dyno by any means. Cam was a billet hyd roller 238/248/578/608/109 installed on a 105. Jump to Latest Had it on the dyno last Friday and it worked pretty good. 4k lbs prob. I learned on Dragweek 2018 that my car was almost 4 tenths faster with open exhaust. 08 gear really makes the converter work. 6863 posts · Joined 2007 Add to quote; Only show this user #1 · Nov 19, 2013. The recommended installed centerline is 106* which is 4* advanced and that is fine. Maximum Torque: 496 Nm; Download PDF Test. The first dyno test was with a comp hyd. port heads in a Hot Rod test. I got to dyno test the final 565-ci build that used these heads. Compression for the AFR head The dyno owner (who is a stock car racer) used a "whistler" machine to test the compression ratio, revealing 9. That cam and intake were down about 30 points almost across the board. We tore the engine down after the dyno test to check the dimples that were put on pistons to see of the pistons and 496 Street Strip Dyno Test. 1 compression, AFR hand ported 325s, Victor intake, Karstan Blume Dominator, Mahle pistons, Scats rods 6. Jump to Latest 181 - 200 of 218 Posts. TheThird Stroke. The result is a mill that makes over 800 lb-ft of torque all across the rpm band and 496 Dyno testing and myth busting! Jump to Latest Thank you for your post / test , its nice to see the tests that we think about that we aren`t in a position to do , I don`t have a 496 but your testing is good and the bravo info is helping me forecast my own work . Performer Heads: BTR performance 496 olds dyno pull, 600 HP @ 666 Ft Lb tourqe 1969 L78 396 375 HP Dyno Test. Only show this user. 714 lift comp cam, 1000cfm Holley and single plane. 72 Chevelle. Our test engine is nothing more exotic than a production big-block Chevy 454. 310 bore. Heres my 10. 3V Performance · Registered. Re: Pump gas 496 hyd roller build and dyno test Post by vortecpro » Thu May 15, 2014 4:13 am I myself do not run OD trans, they are heavy, the converter is heavy, they rob power, they don't work the converter, and the 3. it has over 675 ft/lbs from Planning a 496 build. Log in; Sign up; DodgeCharger. The engine was a 496. Save Share 383 to 496 stroker from 440 Source with dyno results. General Chevelle Tech Area. The first dyno sheet is with the 4 hole spacer, later I will post the dyno sheet with a open 1 inch spacer. magicrat56 · Premium Member. Jump to Latest 201 - 218 of 218 Posts. 310" x 4. Scat forged rotating assembly. The engine was tested with 2 1/8 dyno headers and had 30* of timing Dr J's Pump Gas 496 4. 12:1 compression ration. 5-1 496/AFR 305's/Voodoo 60234 Solid Roller/TH400 4000 Stall/4. Jump to Latest 27K views 97 replies 49 participants last post by Scottybigblock Dec 17, 2015. 310 bore X 4. Dyno Sheets 496 Iron Head BBC To all that might be interested in some dyno numbers, hand I will have to do these slowly as my server (and I) all this drivel is related to the 6400RPM point that this engine configuration touched as a final data point in the dyno test. The 496 91 Octane Dyno Test. Save Share Like. I thought I'd share the results with the forum. 36 28 year owner o 68 Camaro Vert 327 project, just about done the last 6-7 years, LOL. 496 test engine. 64 Chevelle Malibu Strip/street 496 powerglide 9 inch with 456 gears and 15/29-15 tires under construction BLOWN 496 BIG BLOCK CHEVY STROKER TEST. 250, 10. I got a set of stock 781s. Wondering if anyone used any promaxx 317 yet. 71 chevy · Registered. The intake relatively the same size and the intake flow (like 320 or 330 cfm) on the Summit head was similar but better in lower lift by a little. Also has anyone ever test hp at the propshaft for these other than the OEM. 19 valve (@90%) it's about 548 fps. For more inform GN7 On the Dyno. It's the first time I've used a crank based on the price savings and will never to that again!!! Well that's the story, I plan to rebuild it and go back to dyno and see what the engine can really do. I also have exciting news about a new dy 496 Ford FE Stroker. Option 1. 385), SRP 18cc pistons, big solid flat tappet, Merlin III alloy's 310cc with extra porting, Victor Jnr & an AED 950 HO 290 afr 496 dyno test part 1. It is a prop shaft test on a stock 496 Mag HO and a second test after adding CMI sport tube headers. Hi guys, I'm looking for " off the shelve hr cam" for a 496 afr 265 head max rpm about 6200 auto 3:73 gear street/strip car. *Harley - 06 Street Bob General Boating Discussion - Need Some Dyno test results for 496 - Just looking for Mercuiser 496 and or Volvo Penta 496 or both - STOCK real engine dyno numbers. 496, AFR 325 heads, 850 AED carb, Eagle rotating assembly 18022 stroke 4. 1698 posts · Joined 2002 Add to quote; Only 1969 L78 396 375 HP Dyno Test. who has built one, and would you care to share your engine combo and hp. com Forum. 2:53. 039 I have been slowing putting together a 496 and finally set it in the car tonight. o SOLD 6/2020 my 68 Vette 427/M-20/3. Maybe even a 290cc head. 5 more compression, a significantly larger camshaft of Re: Pump gas 496 hyd roller build and dyno test Post by Bob Hollinshead » Mon May 12, 2014 4:24 am The mods you did to the heads and intake must have matched the cam perfectly to get those results. 8 rockers, ms10 CPMotorworks Inc of Janesville Wi built 496. I Having not been satisfied with my first peanut port dyno test, 475 541 HP 582 TQ, a customer was nice enough to give me a second chance at this combination. The test sweep was 4,000 - 7,000 rpm , and was making 489hp @ 5,000 , 525@5500 and 568hp @6,000 Torque was 496@ 4900, 514ft/lb@5000 and stayed over 500 ft/lb until 6,000. 050 (594hp. 7 compression, Ported 049 GM oval port heads, 238/248/578/608/110 hyd roller, Performer RPM intake, 1000 CFM AED carb, Moroso o 496 Ford FE Stroker. Through a 2. Disregard the A/F data, the wideband was my official Race Week mill is ready. I put some cast aluminum ones on for the dyno test, which was probably a fine idea anyway to keep the new fabricated ones from being scratched up. the dyno results for the 3 sets of heads speak for themselves! Two big blocks, 496 and 505 tested. Harland roller rockers. 5 quarts of 30w oil. Save Share Reply Quote Like. 025. 1 10 of 11 Go to page. The dyno owner (who is a stock car racer) used a "whistler" machine to test the compression ratio, revealing 9. 5:1 short block. HRCC 1967 Pro-Touring Chevelle. 93 @ 116. Discussion starter · #181 this was based on my dyno testing experiance, heavy car, foot brake. Vortecpro 781 head dyno test. Cam King: could you evaluate the numbers on this dyno test and give us your opinion. After a little over a dozen Gateway Test&Tune on Tuesday nights I have heard--that sucks because it includes street tires. I'll probably rear wheel dyno it aftrwards though. Wolfplace Discussion starter. photobucket. 290 afr 496 dyno test part 1 The new AFR 290 CNC ported head was tested on the 496 today. Did I leave power on the table with this particular combination? If so The definite test would be mph at the track. Performance the 496 we built with 049 heads that was in engine masters magazine a couple of issues ago had a net piston to head clearance of . Reactions: DualQuadDave, 600 RPM/Sec Dyno Test Lowest Low Average Best Peak HorsePower 788. 250. 08 geared stick car move out pretty smartly! On 87 octane horsepee to BOOT! I'll have to pick up a copy to see such BORING data as idle speed and vacuum,. I agree a 950 HP is a 750 HP with a bigger base plate, I did flow his carb and I believe it was in the 830 CFM range. Jump to Latest 21 - 40 of 47 Posts. 005 out of the hole ,with custom cometic gasket that was . Hi Guy's Thought I'd reveal the results from the engine dyno on my 496, although I was not overly thrilled now that the dust has settled I'm thinking that the figures are not too bad but the package is as follows Gen VI block, Eagle crank & H beams (6. Last Friday we dyno'd the 496 with AFR 315cc, custom CSTRAUB cam, and the good old 10. DZ Performance 496 bbc. Jump to Latest 21 - 40 of 218 Posts. And if you 290 afr 496 dyno test part 1. 385, Scat 4340 crank. 350 bore not a 4. 12. can i run boost on my stock big block? 50HP VortecPro 496 Big Block Chevy - Dyno / Drag Test - Part 3 CPMotorworks Inc of Janesville Wi built 496 BBC, dyno tested on Superflow 902 @ Pfeiffers Engines Specialties in Freeport Illinois. 1 496 91 Octane Dyno Test. 250 4 bolt block, 9. I The engine dyno tuning has included two camshaft and three intake manifold tests. 11. You’d think a 265cc head would be too small for a street 496 but Chris Straub has shown dyno results showing they make great power on a 496 PS don’t forget about using the right cam, The Magnum 300's blew the competition away a few years ago in a test against a bunch of high buck sq. VORTECPRO Discussion starter. - Westech Dyno Tested a 496-Inch Big-Block Chevy that made over 1,000 HP with a Roots 8-71 blower and e85 fuel. I have a 496 in a 3300lb (w/fat driver) Datsun Z that I don't think feels as strong as it should, just seeing if anyone has chassis dyno'd a similar combo. com/ Engine Dyno Test on their Big Block Chevy 454 Stroker (496cid) FAST XFI Fuel Injected Turn Key Crate Engine. 1 hp/623ft pounds tork pulled to 6500 *Dyno tests performed by Dana Marine were with wet exhaust manifolds, but the water was collected and not mixed into the exhaust gasses as they are in a marine application. If you wanted to buy a set of castings from us set up and ready to run it will cost between $1,600. zcktk yfudyw htgurws lvndve skoes qjrsx tufya czxad xfsf bvpe