GTP38R more boost - Ford Powerstroke Diesel Forum
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post #1 of 13 Old 04-04-2009, 08:07 AM
wriott
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GTP38R more boost

Just installed the GTP38R into my buddys 2000. We also installed stage 2 sticks with the DP chip, tymar intake, 4" exhaust and some other mods. Right now i am only getting 19PSI (wastegate opening) and was wanting to turn it up to about 30-32 PSI. What is the best way to do this??? adjust the wastgate (what PSI should it open at with handheld pump?) or put a regulator on the wastgate line?? any ther way???
post #2 of 13 Old 04-05-2009, 09:07 AM
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nobody knows???
post #3 of 13 Old 04-06-2009, 04:57 AM
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Turbomaster makes a wastegate control rod that will work with your 38R. It's relatively inexpensive and will work much better than the factory actuator.


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post #4 of 13 Old 04-06-2009, 05:36 AM
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Sent you a pm. You don't need some expensive wastegate.

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post #5 of 13 Old 04-06-2009, 05:37 AM
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1.15 AR housing?

Typical cummins owner.

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post #6 of 13 Old 04-06-2009, 02:12 PM
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You can ajust the factory WG rod 3-4 turns and try that. Its a pain to do, but there is no reason to buy a new one with the 38R. Stock turbo, thats a differant story.

That being said, the nice thing about the Turbomaster WG rod is it can be ajusted in about 10 seconds to as tight as you want or as loose as you want. Just takes a 10mm wrench and an extention.

The best option IMHO... like said above... 1.15 housing and never look back.

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post #7 of 13 Old 04-06-2009, 03:14 PM
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what about just disconnecting the red boost line...

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post #8 of 13 Old 04-06-2009, 04:18 PM
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what about just disconnecting the red boost line...

You could, but I would bet the wastegate is just loose from the factory...

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post #9 of 13 Old 04-06-2009, 05:23 PM
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im gonna be adjusting the wastegate in the nest day or so and see how it works. right now i have th front axle out of the truck working on it so once that is back in (tomorrow sometime) ill adjust it and let everyone know how it came out.
post #10 of 13 Old 08-19-2009, 08:41 PM
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did this end up working for you?

I have a similar issue

What way do you have to turn the rod?

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