if i get 3.42's in my 01' bird.... do i need to get a new limited slip differential or will the slp 3.42's work with the stock setup... i'm not sure wuts in there now 7.10's maybe ???? anyway i just need to know if the new ls differential is totally necessary or optional... please help
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3.42's and differential question
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I recommend starting off with a search. You'll see this is a common question that's been answered dozens of times.
If you have 3.23s now, you won't need a new diff (although it'd be smart to get an LSD).
If you have 3.08s now, you will need a new diff.
Check the RPO codes to see what you have. M5s come with 3.23s. A4s come with 3.08s or 3.42s.Matt
1998 Mystic Teal Camaro M5
Whisper Lid, Pacesetter Headers, Catco Cat, Dynomax Super Turbo, B&M Shifter, BMR STB, LSD, P&P Intakes, GT2 Cam, Comp OE Lifters, 1.7 Roller Rockers, Pushrods, SSM Heads, DHP PowrTuner.
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