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R32 Actuator In R33

cheez

By cheez,
in Engines & Forced Induction

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cheez Mentor

cheez

Posted
Posted

hey guys

got a series 1.5 r33 gtst.

i been told that the r32 gtst actuator is a direct swap for the 1 in the r33 as they are identical except the r33 actuator is 7psi and the r32 is 10psi.

my question is, by putting the 32 actuator in, i bypass the standard boost solenoid and just run a hose from the actuator to the intercooler nipple correct??

not sure what to do with the piping thats all? i remember when i got my car the solenoid wasnt working so we had it hooked up like this, just b/w actuator and pipe, but not sure if its the same now that i wanna run a different pressure actuator?

oh and for all those that are gonna say get an ebc or boost t, a) ebc too much $$$, b) boost t creeps

actuator will not creep unless spring is fcuked.

cheers

daniel

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cheez Mentor

cheez

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Posted

sweet thats what i was thinkin but wanted to confirm this.

im going in for a tune @ RE Customs in early august so will fit it when im there and have the safc2 tuned and timing checked to accomodate the extra boost.

Birnie Veteran

Birnie

Posted
Posted

You can by-pass the solenoid but it would be interesting to see someone keep it in the loop and run the 10psi and then up to 12psi after 4500rpm.

12psi should be OK on your turbo

I don't think anyone's done it yet so give it a go, and if you don't like it, it'll take you 3 mins to swap the tubes around to by-pass it as you originally intended.

Good luck

MANWHORE Grand Master

MANWHORE

Posted
Posted

I've done it.

What happens is normally the r33 actuator is 4.5-6 psi without the bleed solenoid.

with the solenoid, it goes 7-9 psi (after 4500 rpm).

The reason why I gave a range is because mods affect the boost.

I've found the r32 actuator to be around 9-11psi without bleed solenoid

with the solenoid, it is around 12-12.5 psi (after 4500 rpm)

cheez Mentor

cheez

Posted
  • Author
Posted

at the moment i have the standard solenoid grounded, so its constantly between 7-8psi. if i run the same wastegate will it be the same? i would think that it would still be restrictive...

dunno anyway ill see how i go, might run with just the hose to the cooler pipe, but then try that out with the standard solenid in line..

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