Kuhlman8387 Posted August 20, 2017 Share Posted August 20, 2017 Hey guys.... I have a 07 ch with e7 460..has 150000 left on warranty. It had 460xt program before we had to drop new motor. Just curious what we could do to get it back to where it was. We cant get mack to install the 460xt program. Anyone else have this motor? Just curious if you had any ecm upgrades or installed any aftermarket turners to get it up to 480-500? Has 18spd 2050 clutch and 3.90 rears. Would a swap of rear ends maybe help? Quote Link to comment Share on other sites More sharing options...
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