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Power Strokes
6.4 Tech
EXPERTS I NEED YOUR HELP....
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[QUOTE="Jsexton, post: 1507875, member: 25923"] I HAVE A 08 6.4 WITH A SOME WHAT BUILT MOTOR... THE MOTOR HAS ALL BASIC PARTS. DUAL DUEL KIT, 30% nozzles, stage 1 CAM, 467.7 turbo with built trans 2600 stall dpc triple discs converter with SCT tuner.... Here is my issue running Tyrant tunes then shifting 3 to 4 then 4lock then to fifth.. RIGHT IN THE MIDDLE OF THE SHIFT WHEN THE RPM DROP THE FUEL FAIL PRESSUER GOES CRAZY FROM 8 TO 5 THE TO 2 THEN BACK TO NORMAL.... WHEN I LOAD GH tunes the truck FRP is fine during shifting.... I sent back for a revision but nothing change..... Tyrant said nothhing in tuneing would cause this issue..... I want to keep the tyrant tuneing due the driveability is awsome except for the frp acting up during shifting... HELP ANY IDEAS ON WHAT CAN CASUE THIS OR FIX THIS.... THANKS [/QUOTE]
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