RAM TRX - TRX-Forum.com Bronco Raptor - BroncoRaptorForum.com

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Message: <blockquote data-quote="MTF" data-source="post: 1619410" data-attributes="member: 499">On a NA application with the Stage 1 kit you can see 30 to 50 rwhp gain with Tune and headers. (This is with 35" tires)The Stage 3 Heads and Cam setup shines when you add a Supercharger though.I will add that the Livernois cam profile is more for a Raptor Tune calibration.Since yours is a F250 the PCM Tune calibration profile is quite different, then with your  4.88 gears.On a Raptor, going from 35" to 37" tire a one step up to 4.56 will keep thing close.You are going from 3.73 to 4.88 with only a 34" tire.Everything is going to be way off in the calibration as far as thrust output values from the tranny.Your tuner is going to have to get really and I mean really creative. Nobody can Tune the truck with the Livernois cams but Livernois,they in conjunction with the help of Ford calibrator engineers, have developed a preparatory Tune using the My Calibrator system.But you didn't hear that from me, that would be against the law and Ford does not play.Having said that, Livernois does give a hand or at least have giving a had to some when trying to Tune for the cams with the SCT platform.Also, are using the Cam Phaser lockout kit or kept it stock?Another question, are you using the rear O2 spacers?I see in an earlier post your thinking about ethanol, you're going to have to go e50 or e85 to see gains and then it's much larger injectors and a fuel pump upgrade or a boost-a-pump system.</blockquote>

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