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-   -   good gear ratio for a limited slip? (https://www.truckforums.com/forum/chevy-silverado-gmc-sierra-forum-11/good-gear-ratio-limited-slip-3752/)

stopspazinout 07-16-2007 10:37 AM

good gear ratio for a limited slip?
 
im really thinking about changing to a limited slip and changing the gears while its all out. anybody know a good ratio to go with on a LSD?

impaladakid 07-16-2007 06:23 PM

RE: good gear ratio for a limited slip?
 
I would look at 3:23, 3:55, and 3:73. The 3:23s will give you the best fuel economy while the 3:73s will give you more off the line pull. I myself would go with the 3:55s as they will give you a little of both. But maybe you are thinking more on the line of 4:11s which is fine too. It is up to you.
Good luck with your choice.

Bill

impaladakid 07-16-2007 06:30 PM

RE: good gear ratio for a limited slip?
 
Also look to see what gears you have now. They may be what you are looking for.

Bill

stopspazinout 07-16-2007 06:46 PM

RE: good gear ratio for a limited slip?
 
no deffinately not. it has 2.73 open diff in it right now. im havin trouble finding some good 3.23s or 3.55s so maybe 3.73 with a limited slip would be a nice change hopefully that will all hold in the stock 10 bolt.

thomas 07-16-2007 09:39 PM

RE: good gear ratio for a limited slip?
 
yea i have an 87 and the rear diff blows. i was thinking ab geting 3.23s but i might go with the 3.55s. let me know which one you like better.

chevy112488 07-16-2007 10:42 PM

RE: good gear ratio for a limited slip?
 
i'd go with 3.73 or something around there at least... i have 3.42's and its geared too high for my liking...

smoke20 07-17-2007 05:50 PM

RE: good gear ratio for a limited slip?
 
What size tires are you planning on running? If you want speed off the line and are running stock tires, 4.10. A good compromise for all around is 3.42, and then numerically lower to save fuel.

stopspazinout 07-17-2007 06:40 PM

RE: good gear ratio for a limited slip?
 
stock tires for now, if i ever upgrade itll only be by an inch or two

smoke20 07-17-2007 08:14 PM

RE: good gear ratio for a limited slip?
 
What is stock on your truck.

stopspazinout 07-17-2007 09:11 PM

RE: good gear ratio for a limited slip?
 
235 75 15s


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