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forcing my wastegate open...any negative effects?

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Old 08-25-2003, 12:49 AM
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Default forcing my wastegate open...any negative effects?

I'm planning on disconnecting my actuator arm to the wastegate lever/door. and putting a small spring to make the wastegate fully open. will this damage/ruin anything (engine, turbo components?)? Will this give me zero boost?

This is for a greddy 15g turbo kit out of the box
Old 08-25-2003, 01:06 AM
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Default Re: forcing my wastegate open...any negative effects? (nd8ch)

there's a simple answer to that . . . NO BOOST. If you leave the waistegate open then it can't build any pressure up inside . . . the turbine will spin, but you will not make any boost at all.
Old 08-25-2003, 09:18 AM
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Default Re: forcing my wastegate open...any negative effects? (Vtec92Civic)

ok, is this bad in anyway? can i do this regularly?
Old 08-25-2003, 09:27 AM
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WHY DO THIS....??? you will get NO boost at all ....
Old 08-25-2003, 09:55 AM
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Default Re: (yellowturbo)

I want to bypass my turbo for autox....ive done it with boost and without boost, and i do the same if not better with na, even with less HP. I dont have an intercooler yet (smic on the way) and the its been really hot out in the autox field too.
Old 08-25-2003, 10:02 AM
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Default Re: (nd8ch)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by nd8ch &raquo;</TD></TR><TR><TD CLASS="quote">I want to bypass my turbo for autox....ive done it with boost and without boost, and i do the same if not better with na, even with less HP. I dont have an intercooler yet (smic on the way) and the its been really hot out in the autox field too.</TD></TR></TABLE>

Hmmm, well, I'm fairly sure you won't hurt anything.

I am thinking that setting your BC to zero would do effectively the same thing. Alot easier too. Especially if that is how your BC is connceted. As in, plumed to a vaccum hose at the WG so the WG is opened once the reference pressure is reached.
Old 08-25-2003, 10:49 PM
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Default Re: (Knightsport)

bump
has anyone done this?
Old 08-25-2003, 11:15 PM
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Default Re: (nd8ch)

only when breakign in a motor, but it's not pretty. and you still geneate tons of heat....
Old 08-25-2003, 11:16 PM
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Default Re: (oscarmayer)

what do you mean its not pretty?
what is not pretty?
Old 08-26-2003, 04:09 AM
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Default Re: (Knightsport)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote &raquo;</TD></TR><TR><TD CLASS="quote">Hmmm, well, I'm fairly sure you won't hurt anything.

I am thinking that setting your BC to zero would do effectively the same thing. Alot easier too. Especially if that is how your BC is connceted. As in, plumed to a vaccum hose at the WG so the WG is opened once the reference pressure is reached.

</TD></TR></TABLE>

nope. a boost controller cannot lower boost levels below the spring setting. the actuator/wastegate spring dictates minimum boost pressure. BC's only adjust above this threshold.
Old 08-26-2003, 04:47 AM
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Default Re: (nd8ch)

The exhaust gases will just bypass the turbo and out the exhaust so the turbo will not spool and u will not get any boost thats all. I can't see any harm in it at all.
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