Power Hungry Performance Forum - will custom tunes need to be changed after 4.56's

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- - will custom tunes need to be changed after 4.56's (http://forum.gopowerhungry.com/showthread.php?t=3881)

TBowman053

Fri, April 9th, 2010 10:18 AM

will custom tunes need to be changed after 4.56's

I've got a Gryphon now with PHP perforamce and tow custom tunes. In May ill be lifting my truck ad a short time after will be putting 35's on it. When i get the tires I also plan on put 4.56's in my truck. Does anythin i my custom tunes need to be change or should they be ok? Im running 33's now and thats what was on when i ordered the custom tunes FYI.

Jackpine

Fri, April 9th, 2010 01:04 PM

You won't need new tunes. You'll be able to change the Gear Ratio in the Custom Options Menu when you reprogram your PCM.

- Jack

cody994x4

Fri, April 9th, 2010 03:59 PM

be sure to post some pics w the lift and 35's

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