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Power Strokes
7.3 Aftermarket
Garrett 38R 1.0 vs 1.15 dyno test
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[QUOTE="Gearhead, post: 311074, member: 503"] It's a shame that the thing didn't come with a bigger exhaust wheel. That would take care of most of the percieved problems with this turbo. You could also use the wastegate at part throttle to dump some extra drive presure just like the factory intended and have the same effect. At the end of the day the 1.15 doesn't make much difference up top because the wheel itself is the restriction. If you drilled the divider and used the wastegate you can have more power everywhere when compared to the 1.15 since you can drop the drive pressure that you can't do with the non wastegated 1.15. I have seen a whopping 6hp gain on a truck with cam and heads that makes extra drive pressure when compared to stock components when swapping to a 1.15 housing. [/QUOTE]
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