Forced Induction Superchargers | Turbochargers | Intercoolers

do i need a tune or what ????

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Old Apr 23, 2006 | 05:20 PM
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Default do i need a tune or what ????

ok my motor has about 100 miles on it. oil pressure is fine. it runs pretty rough though, especially around 2000 where i let the clutch out. i dont think it is a miss. also my motor still has the old tune from the heads/cam setup but i dont think that would cause it to run rough. any guess where to start? it feels a bit smoother at around 3000 but at 2000 you really feel the vibration.

also sometimes when i shift or rev the motor up, it will backfire. not crazy loud but i can definatly hear it, and this is only sometimes.

i heard to check the balancer and check my knock sensors too.

i just check 1 plug and it looks fine...maybe a tad lean but not bad.
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Old Apr 23, 2006 | 08:38 PM
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So, lemme understand this, you have a CAS TT kit, but are running a tune for a HC setup? Why........? Just fork out some dough and get the tune. Your engine will thank you.
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Old Apr 23, 2006 | 09:29 PM
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idk what you guys run to scan on the ls1 but i am running freescan on my labtop on my car definitly something that helps.

but i'd def look into a tune lol
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Old Apr 23, 2006 | 10:53 PM
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Yeah, I think you need to get it tuned.
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Old Apr 23, 2006 | 11:00 PM
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my car does the same thing get a tune!! im trying but every time i go something happens like clutch slippage!
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Old Apr 24, 2006 | 11:14 AM
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i just got the TT kit on and im breaking the new motor in....thats why i didnt get it tuned yet. i havent taken it above 3000 while driving it.

i just wanted to know if the vibrations could be from knock sensors or what?

hopefully thats all i need is a tune to get the vibrations gone.
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Old Apr 24, 2006 | 11:27 AM
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Good plan, just break it in slowly so you don't break it and then get the much needed tune.

Fig
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