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-   -   Front Wheel Drive - Final Drive Ratio (https://classracer.com/classforum/showthread.php?t=46297)

Marty Knox 03-16-2013 12:25 PM
Front Wheel Drive - Final Drive Ratio
 
I am wondering what you do on a FWD car to change the final drive ratio. On a rear wheel drive you change the rear gears - what can you do on a FWD? Don't some have chain - can you change the sprockets?

Bob Shaw 03-16-2013 08:04 PM
Re: Front Wheel Drive - Final Drive Ratio
 
Yes

Mark Yacavone 03-18-2013 01:36 AM
Re: Front Wheel Drive - Final Drive Ratio
 
Quote:
Originally Posted by Marty Knox (Post 373576)
I am wondering what you do on a FWD car to change the final drive ratio. On a rear wheel drive you change the rear gears - what can you do on a FWD? Don't some have chain - can you change the sprockets?
Marty, the GM T125 and T440 (and electronic versions ) use different final drive planets, combined with different chain drive and driven sprockets to attain a variety of ratios.
You can put together a 3.73 final with factory parts.
... Don't know about Ford and Chrysler.

DonatoEng 03-18-2013 07:11 AM
Re: Front Wheel Drive - Final Drive Ratio
 
The Chrysler 3sp autos had several different FD ratios and transfer gear sets to mix and match. Also some aftermarket transfer gear sets were made.


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