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Power Strokes
6.4 Aftermarket
my mild build.
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[QUOTE="jugger13, post: 630984, member: 9923"] Well in the 250 tune before this tear down I could get the egt to 1500-1600 range on a certain hill, mind you the truck had some minor exhaust leak issues and the stock down pipe. Now on the same hill running the 275 tune it will only climb to 1250ish. IMO a pretty good drop. As for smoke the heavy role in on the throttle puff is there then clean as can be on the 275 tune. And dam near perfectly clean with the 310 tune. Slightest haze. Not embarrassing to have fun with on the street at all. [/QUOTE]
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