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Old Apr 7, 2004 | 06:44 PM
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LS1999pewterZ's Avatar
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Default Dyno Tune

I just installed my headers awhile back and I was wondering if you need to get the car dyno tuned after or if the car is fine and getting a dyno tune is really just needed after you do a cam and all the other goodies
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Old Apr 7, 2004 | 07:05 PM
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Yeah, you will pull a little bit from a dyno tune after headers. However if you are planning on doin a cam, you might as well wait till then. A dyno tune will be a much better investment to a cam'd car
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Old Apr 7, 2004 | 08:34 PM
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whats your AFR.....that will help you decide also! if your way lean, GET A TUNE!
most re-tunes arent much anyway....
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Old Apr 7, 2004 | 10:57 PM
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Most people after headers run on the richer side, but it always a good idea to check it out just in case.
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Old Apr 8, 2004 | 12:13 AM
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Originally Posted by SapphireHawk
Most people after headers run on the richer side, but it always a good idea to check it out just in case.
I was running crazy lean after my LT install, however most seem to run rich. Im just glad I didnt get on it hard before my tune. That could have been bad.

Check your a/f ratio and go from there.

Good Luck and Take Care.
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Old Apr 8, 2004 | 10:11 AM
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Its a good idea, i'll be getting tuned this month or the beginning of next month. About a year since I installed my headers. I figured since i'll be putting in the converter, nows a good time to get it tuned
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