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Thread: What I need to do first?
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05-12-2010, 08:00 AM #1
What I need to do first?
So I have a 99 SS with LT headers, custom 3 in. y-pipe no cat, cat back high performance magnaflow ss with 3.5 in. duals. Volant Air intake, slp smooth bellow, and a Pro Form short throw shifter and other visual mods. I have to have the ECU remapped due to no cats and I was going to replace the spark plugs and wires before I have the tune done. But my rear end needs rebuilt as well so im am having them install 3:90 gears. Should I get the rear end rebuilt first then do the tune?
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05-12-2010, 09:06 AM #2
Yes rear end first then tune. Good luck happy modding! Good looking nbm!
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05-12-2010, 09:14 AM #3
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blue- 1998 Trans Am ls1
tune last. your gonna love the performance gains. But your gonna hate replacing back tires soon... lol
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05-12-2010, 10:57 AM #4
Thanx!
Last edited by flotty; 05-12-2010 at 10:59 AM.
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05-12-2010, 12:42 PM #5
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- Nov 1999
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- over here...
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[]D [] []V[] []D- 1999 trans am
i wouldn't rebuild a stock rear ever... they are very weak and especially with lower than stock gears...
save your self the money you'd spend in rebuilds and buy a good 12 bolt or 9"...
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05-12-2010, 01:01 PM #6
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05-12-2010, 01:44 PM #7
- Join Date
- May 2009
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- Manitoba
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blue- 1998 Trans Am ls1
i guess it all depends on what future mods are being thrown into the car. Should be ok for now but with more hp's then your flirtin with disaster...
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05-13-2010, 04:05 AM #8
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05-13-2010, 07:03 AM #9
- Join Date
- May 2009
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- Manitoba
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blue- 1998 Trans Am ls1
matter of opinion i guess. I realize they arent that strong. Lots of people have pushed good #'s with a stock ten bolt. Its the sticky tires that are hard on them, IMO. I keep my fingers and toes crossed when driving hard tho
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