rear end question
Mar 31, 2006 | 06:01 PM
Thread Starter
Instructor
Joined: Jan 2006
Posts: 160
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rear end question
Does gear ratio effect rwhp and torque readings on the dyno,I recently went from 3.42 to 3.90,just curious?
Mar 31, 2006 | 08:07 PM
Race Director
Joined: Sep 2003
Posts: 13,550
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From: Now in God's Country, the Big Sky, Montana!
Cruise-In 7-8-9-10 Veteran
St. Jude Donor '06-'07-'08-'09-'10-'11-'12
Possibly, I've heard 4.10s do but it is not by much in any event.
Mar 31, 2006 | 08:15 PM
Team Owner
Joined: Aug 2003
Posts: 38,314
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Quote:
Originally Posted by donnie brooks
Does gear ratio effect rwhp and torque readings on the dyno,I recently went from 3.42 to 3.90,just curious?
Yes.
Apr 1, 2006 | 11:55 AM
Safety Car
Joined: Sep 2000
Posts: 3,604
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From: Austin, TX
Quote:
Originally Posted by donnie brooks
Does gear ratio effect rwhp and torque readings on the dyno,I recently went from 3.42 to 3.90,just curious?
I made the same swap recently and had the same question.
MTI in Houston says "a gear change will typically net a 10 - 15 rwhp loss".
This is about what I experienced when dyno'ing again after the gear change.
Apr 1, 2006 | 10:30 PM
Racer
Joined: Mar 2006
Posts: 270
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From: los altos ca
Quote:
Originally Posted by DSOM Z51
Yes.
haha nice answer
