2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Can you temporarily wedge/wire the wastegate open??

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Old Apr 12, 2002 | 05:30 PM
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Can you temporarily wedge/wire the wastegate open??

OK, I am putting a turbo on my car... but I have yet to find an intercooler to front mount, for really cheap.... I'm just being patient... I know there out there.

Anyways.... There is NO WAY I am going to put the turbo on without a big FMIC... I have high compression N/A rotors (umm, N/A engine!!).. and while I have the S-AFC, and 550 cc injectors, with my intake and exhaust, I can easily see boost going to 10psi. (Boom goes engine without interccoling!!)

Anyways, I REALLY want to get this turbo on- I want the power, and I am looking forward to it being quieter!! (No freakin headers!!)

My question.... can I put the turbo on, (so it's quieter!!) and tie the wategate open?? Should only give 1 or 2 psi... which is fine with me untill I get the intercooling and piping all made up...but at least I'd be able to drive it around....
Is that wastegate opening doable?
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Old Apr 12, 2002 | 05:33 PM
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What kind of turbo and wastgegate?



-Ted
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Old Apr 12, 2002 | 05:33 PM
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What kind of manifold are you using to bolt the turbo to the engine?
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Old Apr 12, 2002 | 05:36 PM
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Oh- it's a stock s5 turbo and manifold.
I'm making the exhaust manifold spacer right now...Its all cut and drilled, I just have to weld it.
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Old Apr 12, 2002 | 05:46 PM
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No, you can't do this to a stock turbo.&nbsp It'll still hit 5psi+ with the stock wastegate.



-Ted
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Old Apr 12, 2002 | 05:52 PM
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Wow... I guess thats why everyone ports theirs! That could lead to nutty boost creep! Isn't an s4 wastegate even worse?

Well... 5 PSI I could handle without intercooling... (I do have 3mm seals) I'd just richen it up a bit and back the timing off untill the intercooler is in.... Maybe a bottle of 104 octane boost with each tank could help too.
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Old Apr 12, 2002 | 05:54 PM
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Originally posted by Bambam7
Wow... I guess thats why everyone ports theirs! That could lead to nutty boost creep! Isn't an s4 wastegate even worse?

Well... 5 PSI I could handle without intercooling... (I do have 3mm seals) I'd just richen it up a bit and back the timing off untill the intercooler is in.... Maybe a bottle of 104 octane boost with each tank could help too.
3mm seals aren't going to allow you to run more boost. I don't see why your engine couldn't handle the boost if you're easy on it, but I don't know exactly how much pressure the n/a block can take.
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