2003-04 Mach 1 Registry Owners Club

2003-04 Mach 1 Registry Owners Club (http://www.mach1registry.org/forums/index.php)

- Engine & Drivetrain (Including trans & rear axles) (http://www.mach1registry.org/forums/forumdisplay.php?f=64)

- - Retune (http://www.mach1registry.org/forums/showthread.php?t=127562)

04torchedpony

04-16-2013 05:30 PM

Retune

Is a retune necessary after going with breathers on your valve covers

04Mach1FTW

04-17-2013 12:23 AM

Re: Retune

yes, and yes

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