Originally Posted by 2k13jk My jk has nomore hesitation and surging i had a custom tune done on my jk and it was well worth 600 and i made 94 more hp over ripps canned tune WHOA! Pump the brakes. Your statement right now is that your rig puts down 422 hp on the dyno? Is there a sheet on this? My base "canned" Ripp tune puts down 328 whp. Standard pulley. (i was going to put hi alt on, but couldn't get the damn thing off.)
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