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Old 05-27-2012, 04:58 PM   #2080
MauriSSio
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Drives: 1968 Ford Galaxie
Join Date: Mar 2010
Location: San Jose
Posts: 630
Quote:
Originally Posted by mr_desmo View Post
The higher dyno numbers are due to the final drive ....short gears dyno lower...
Look at mmandff ...when they go from say a 3.31 to 4.10 they usually lose 20-30 whp (when dynoed in the same 1.00 gear)...

So you have it :
Zl1 final drive: 3.73
2013 gt50: 3.31

Primary gears are also longer on the gt500...so
i understand that you lose a few hp due to gears, but never to the extent of 20-30rwhp

how do you explain the zr1 dynoing only 530-550rwhp with 3.42's?
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