I posted this in LS1 tech, but I figure that some of you local folks might have a better idea...

I'm thinking about swapping out my stock gears for a 4.10 in my M6. First question... how much does this mod usually cost to have done? I don't trust myself to be able to handle this alone so I'd rather have a pro install the gears. Secondly, anyone know if a good place w/i an hour or so of the Lehigh Valley/Philly/South Jersey area? Thanks in advance.

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Steve
2002 Trans Am WS-6
M6, Pewter, Flowmaster 80 Series, Free Ram Air, and CAGS eliminator (FINALLY!)

 

On High St. in Pottstown, there is a place, called Performance Specialties. The also have a dyno if you are interested. And I beleive Hartman's does it, not sure though. There are right next to the Fairgrounds mall in Reading. Other than that I can't think of any off the top of my head at the moment.

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'94 med. Quazar Blue, T-tops, m-6, 3.42 gears, random tech. 3" cat-back, airfoil, K&N CAI, Best 1/4 13.484 @101.2 mph. Best mph (1/4 13.628 @)103.34mph.

Mods since, Pro 5.0 short throw, 160 power stat, hpp3, motive 4.10, T/A rear end girdle cover.

276.3 rwhp
313 rwtq
Apperance: thick spoke c5 wheels wrapped w/nitto 555. flame ball shift ****, black camaro inlay
my website: http://bluebyu_94z28.tripod.com/home/