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Discussion Starter #1 (Edited)
ok so i just bought a set of mac 1-5/8 long tube headers and mac power chamber h-pipe

my car was tuned with 1-5/8 shorty's and off road h-pipe, it was 90 deg in the garage that day with 17% humidity .

i'm go'in to a track rental friday and it's go'in to be 63 deg out , so my question is

.. if i install the long tubes w/the power chamber do you think i would need to retune my car since it was tuned with the current set up ... i don't have time to get it tuned after i install them...should i just run the car as is ? or if i install the headers do you think my tune will be way off and go lean ?



thanks Dickie
 

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Discussion Starter #2
14 people looked ..no reply's....... anyone ? anyone ?
 

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I think you would be okay. If you had someone else tune it you can ask them and see if the car would run lean but I think your fine.
 

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I would also think you will be fine.
 
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