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How much power can I expect to lose on the dyno??

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Old Jun 7, 2009 | 03:20 PM
  #1  
paulmoore's Avatar
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Joined: Apr 2001
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From: Hudson, FL USA
Car: 1988 Camaro(92 Z28 clone)
Engine: Forged 383, AFR 195 419/430@wheels
Transmission: Monster 700R4 Yank 3600 stall
Axle/Gears: 9in Detroit locker-3.90's,35 spline
How much power can I expect to lose on the dyno??

My 88 camaro with a 383 stroker made a healthy 419HP and 430Ft. Lbs. to the rear wheels running through a WC T5. In a few weks here I will be switching over to a heavily built 700r4, and am fully aware that automatics have a higher percentage of power loss. What kind of numbers could I be expecting to see if I were to dyno the car again, but with an automatic?
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Old Jun 7, 2009 | 03:30 PM
  #2  
AlkyIROC's Avatar
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From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
Re: How much power can I expect to lose on the dyno??

Depends on the converter stall speed, depends how the tranny is built. If you want a guess, pick a number from the hat. If you want to know an exact number, put it back on the dyno.
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