Thread: Desktop Dyno Help Please
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06-16-2009 07:30 AM #1
CHR Member
- Join Date
- Nov 2004
- Location
- Dayton
- Car Year, Make, Model: '74 Corvette, '86 GMC, '04 SSR
- Posts
- 84
Desktop Dyno Help Please
Hey guys, I have built a 383 cu. inch sbc to be installed in a 1974 corvette coupe with a manual transmission. The major components are:
1978 4 bolt block bored 4.030"
Scat 4340 forged 3.75" crank
Carrillo forged 6" rods Carr bolts
Probe SRS -12.8 cc dished pistons 9.8:1 compression
AFR 195 Eliminator cylinder heads
Comp Cams hyd roller cam 230/236 duration .510/.520 lift
Comp Cams 1.6 roller rockers
Edelbrock rpm performer intake
Holley 4150 carb 750 cfm
Using 1 5/8" dyno headers this engine make 479 ft/lb @ 4400 and 468 hp @ 5800.
What effect will running 1 7/8" primaries into a 4" collector headers have on these results. Also I don't think the RPM intake will fit under my stock L82 hood. Can you see what the results would be with a Wiend low rise single plane Stealth intake.
Thanks for you helpLast edited by Rgtrough; 06-16-2009 at 04:14 PM. Reason: added compression
PEACE, BUD
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I saw last night on fb about John. The world sure lost a great one. I'm going to miss his humor, advice, and perspective from another portion of the world. Rest in Peace Johnboy.
John Norton aka johnboy