Pontiac Firebird 1967-2002 Birds of a feather flock together

trans or tuning issues?

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Old Feb 13, 2015 | 09:37 PM
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bennigan25's Avatar
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Default trans or tuning issues?

I have a 99 trans am and no surprises blew out the factory 4l60! I bought a performabuilt stage 1 with the fti 3000 stall. I'm having issues with something feeling loose when it shifts mainly 1st to 2nd and 2nd to 3rd mainly the harder shifting gears! I got my mail order tune in from frost tuning today hoping that them changing the shift points and tuning for the stall would help. Not much change now except now it feels like the trans is slipping or the converter is unlocking and locking at 70mph cruising down the highway, and only at 70. Any feedback is much appreciated!!
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Old Feb 15, 2015 | 09:37 PM
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I'm having issues with something feeling loose when it shifts mainly 1st to 2nd and 2nd to 3rd mainly the harder shifting gears!


SAY What? harder shifting gears ...hell you say...try reading what you are going to post before you post it. If it doesn't make sense to you no one else will make sense out of it.


Too vague .....no one is going to be able to help you. Try explaining it with more detail.
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Old Feb 16, 2015 | 01:10 PM
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Let me spell this out for you. It has 4 gears! The second and third gear shift hit a lot harder then fourth! When it goes from 1st to 2nd something feels loose! If you don't even understand what I'm talking about when I say the harder shifting gears how much help could you possibly be!
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Old Feb 16, 2015 | 09:40 PM
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None at all ...........Good Luck
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Old Feb 23, 2015 | 12:59 PM
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You bought a built automatic. I'm sure it has a decent shift kit. As such, the shifts are supposed to be harder. Especially 1st - 2nd
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