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Message: [QUOTE="5 oh, post: 1368901, member: 22372"] To add to the good advice already given in this thread, definitely go t4 looking for that kind of power. Irate is an awesome company to deal with I just finished my s369 install on my OBS last week and I can't get enough of it. I built my motor last year and ran a d66 with 238/100 injectors and it made 508 horsepower but it was very laggy and smokey setup that got really hot egt. I knew the d66 wouldn't live long under those conditions and I regret not doing the t4 from the start. The s369 spools up amazingly fast, way faster than the d66 and is making over 50 psi of boost on the top end. The truck is making really good power I'm going to dyno it within a few weeks [/QUOTE]

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