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Old 07-06-2024, 07:48 PM   #6
HO455
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Join Date: Feb 2016
Location: Portland Oregon
Posts: 11,276
Re: 1995 Sonoma LS

I've decided on the 3.73 ratio with the 25 inch tires I run. I was on the fence about going to a 3.90 ratio but none of the quality ring and pinon companies offer that ratio. The rear end is an 8.5 with disc brakes. The pinion seal is leaking so it's a good time to change the ratio.

The 2.69 first ratio is a real buzz kill. I'd like to know what GM was thinking. Probably it made the 1 to 4 skip shift work better.
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Thanks to Bob and Jeanie and everyone else at Superior Performance for all their great help.
RIP Bob Parks.
1967 Burban (the WMB),1988 S10 Blazer (the Stink10 II),1969 GTO (the Goat), 1970 Javelin, 1952 F2 Ford OHC six 4X4, 29 Model A, 72 Firebird (the DBP Bird). 85 Alfa Romeo
If it breaks I didn't want it in the first place
The WMB repair thread http://67-72chevytrucks.com/vboard/s...d.php?t=698377
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