Toymods Car Club Inc: Tech & Conversions => Twin wastegates??? Advantage or not?

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SUPRAGTE
Forums Junkie

Location:
North Sydney
Registered:
May 2002

Re: Twin wastegates??? Advantage or not?	Fri, 04 October 2002 23:09

Grande91, ill pm you with the cost and details. I havent put it on yet as i've found a major crack through the water pump,housing, timing housing, everything is stuffed which i couldn't see until we cut the front of the car off with an angle grinder. Toyo,(same turbo as before yes) all the ct26's and actually all integral wastegate turbo's suffer from creep, some worse than others but with the boostcontroller it does cut this donw dramatically so no i didn't really have any creep thats noticeable. Just worried they will have different opening thresholds. IE if i'm running 10psi the ct26 internal wastegate will begin to open at about 7psi and would be pretty slow. But with the HKS one it would begin to open at the same time(because its getting the same manifol pressure line) but i think it would crank to a pully open position very fast, too fast because it would have to closed again to a degree so it will let the manifold go up to 10psi. I think it would be even worse when i'm running 14psi! I think it would even be visible on the dyno graph because you can see these problems when using a pnuematic bleed valve, thats why i figured sooner or later i had to go electronic boost controller as i have. [Report message to a moderator]

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