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i have a 98 firebird v6 and wanna change the stock 3.08 gears to 3.42.. what all do i need ??? I got a friend mechanic to do it for cheap.. What all do i need in order for it to work?
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a new differential... 3.42 ring is substantially thicker than the 3.08. -
I did the same swap with my bird. Actually I just purchased a complete rear axle from a junkyard that has the LSD already in it. I found it was cheeper and easier than swapping just the gears and dif.
If you are just swapping gears and diff, you need a new 3 series carrier, pinion shims, carrier shims, crush sleeve, pinion seal, pinion nut, ring gear bolts, cover gasket, pinion bearings, and carrier bearings and of course gears.
did I forget anything? Oh yeah, diff fluid and posi additive.New Toy Red 94 Formula LT1
RT: .0006 60': 1.894 1/8 mile: 8.351 @ 84.89 1/4 mile: 12.974 @ 107.81
crashed Red 96 Camaro 3.8l: 14.91 @ 92.38
The ex wife's Black 98 Firebird 3.8l: 15.23 @ 88.12Comment
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