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#1 |
Guest
Posts: n/a
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![]() I would be forever in debt to anyone who could plug the following combo into Desktop Dyno:
69 351W .040 over 15 cc dish pistons/ 55cc comb. chambers Trick Flow Twisted Wedge Heads (no port work) Comp Cam 477/510 219/233 @.050 Edelbrock Torker II intake Carter AFB comp series 750cfm carb 1-5/8" full length headers 3" collectors 2.5 inch exhaust w/2chamber flowmasters, no tailpipes, Thank you in advance. ------------------ 67 Fastback - Arctic White Pearl paint 351W 415 hp, Trick Flow Alum. Heads, C-4 Trans, 3.55 gears, Front Disc Brakes, 1-1/8" Fr. 3/4" rear sway bars. ![]() |
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#2 |
Registered Member
Join Date: Apr 1999
Location: Hayes, Va, USA
Posts: 798
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![]() Well Tom assuming that everything has been optimized, your looking at something like 370 hp @ 5500 rpm and someting like 420 ft/lbs of torque at 4000 rpm. Or there abouts.
However I must caution you, these dyno programs make some broad assumptions (always best power and torque) and there can be a 10% error either way assuming your engine is in perfect tune. the best way to back this up is to make a few runs at the drag strip if you don't have a chassis dyno close by. use these to help check against the simulation or if you have something like a G-tech performance analyzer it can measure HP HP=((mph/234)^3) x weight) HP=(weight/(ET/5.82)^3)) |
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#3 |
Registered Member
Join Date: Apr 1999
Location: Hayes, Va, USA
Posts: 798
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![]() After reading into the manual a little better I found the simulated test conditions the motor is run under
Fuel; 1. Gasoline rated @ 19,000btu/lb as standard fuel 2. Sufficient octane to prevent detonation 3. Air/Fuel ratio is a constant at 13:1 for best power Environment; 1. Air for induction is 68 deg farenhiet with 0% humidity and 29.86-in/Hg atmospheric pressure 2. Engine oil, and coolant have been warmed to operating temperature Methodology; the engine is simulated by bring it up to a 2000 rpm hold, then it is run with a 500 rpm step test |
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#4 |
Guest
Posts: n/a
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![]() Thank you for the reponse!
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