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Old 10-04-2009, 08:17 AM
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Garrett gtp38r Boost

Well just installed the turbo. That was fun, What kind of boost should i be seeing. 2000 f350 with 6 postion chip boost foiler big exhaust air intake. The turbo has the stock exhaust housing not the 1.15. All clamps tight,: up pipes ok. Stock injectors. Only hit about 24psi. Should it be alot more. All the fluttering is gone. But boost is alot diffrent than the stocker. Do you guys still leave the red line unhooked on this turbo. Sounds good just a little down on the performance side of boost. I THOUGHT WOULD BE ALOT MORE FOR 1600 DOLLARS. Whats up with this am i missing something. thanks andy
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Old 10-04-2009, 08:24 AM
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ehhh those numbers sound about right for stock sticks. You can adjust the WG on those turbos though i do believe
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Old 10-04-2009, 08:51 AM
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Just tighten up your wastegate till you see what you like. It's just one circlip normal thread righty tighty lefty loosey, the more you tighten the rod the more boost

Last edited by yoyoyoyo!; 10-04-2009 at 09:13 AM.
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Old 10-04-2009, 04:06 PM
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Stick a different chip on there and try it out.

Go ahead and leave that red line unhooked. Just make sure there is a bolt or screw in the line... don't want any boost leaks. See if you make any more boost...
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Old 10-04-2009, 04:37 PM
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Thanks for the help. I thighten the wastegate up. That was hard, how do you pull the rod to hook back up to the waste gate on the turbo. I turn the rod about 5 turns in and it was all i had to pull the rod to hook back up. Is there a easier way?
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Old 10-04-2009, 04:48 PM
wriott
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nope thats the easiest way... with stock sticks you wont see much higher numbers what you are at now... PSI isnt what makes performance its the amount of air flowing into the motor. even with my stage 2s i only see about 30-33 PSI, with my stocker i was seeing 35+. but the truck is quicker and the turbo cleans up the exhaust alot better.
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