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#1
09-26-2024, 01:25 PM
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Do you have the dyno sheet with your 3.55 gears in the car?
Paul Spotts built my engine. His shop is a half hour away from my house. I use 2nd Street Speed in Perkadie for my dyno work. |
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#2
09-26-2024, 01:32 PM
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No I just swapped the gears this summer and I am still dialing in the tune. I probably won’t do it again though because of the cost and I don’t think the numbers would change much. I am also not overly concerned with the exact figures. The car has plenty of power for me, but everyone wonders what their car could do at the track.
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1981 Trans Am project -YJ 400 stroked to 488 CID-74cc Eheads-10.95:1-Northwind Intake-Holley Terminator-TH400-3:55 Moser rear-Dougs Headers.... |
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#3
09-26-2024, 02:55 PM
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printout shows 568.5 crankshaft horsepower with the Correction Factor, which is believable, nothing unusual there. I'm unsure of what the rpm of 2950 is measuring, I would expect the horsepower peak in the 5200-5500 engine rpm range. I would think torque to be in the 600-625 range on this 4.5" stroke engine.
Would need more info on car to estimate track times
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 66 GTO, 495, M22, Strange S-60 w/4.10 Sold new at Royal Pontiac (Dealer# 07-679) 70 Formula 400/auto |
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