¿¿Help"!!?? Re-tune after millings heads .30" ls1

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07-23-2012 | 11:43 PM

Slowls199

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From: Eagle pass

¿¿Help"!!?? Re-tune after millings heads .30" ls1

"hello guys." help much appreciated!! If i milled my stock ls1 heads do i have to re-tune.???
And if so how bad would the car run with out it..??
Thanks guys"!!!!!

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07-24-2012 | 12:05 AM

Slowls199

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From: Eagle pass

Cmon guys alittle help plzzz.??

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07-24-2012 | 02:02 AM

01ssreda4

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From: Turnin' Wrenches Infractions: 005

It would help but I would not consider it a requirement if nothing else was changed.

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07-24-2012 | 05:11 AM

mark21742

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From: PA/MD

If you plan on doing more upgrade anytime soon is wait...but if your not doing anything else it wouldn't hurt and might pick up a little power/mpg with a tune.

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