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Looking for an Overboost switch

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Old 11-04-2001, 07:11 PM
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SonnyV
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Question Looking for an Overboost switch

Does anyone know where to get one?

What is the part number if it has one?

How much should I expect to pay for one? I heard it's not too expensive. Thank God.

Need your help. Can't drive my car without this switch. Can't risk damage the engine.

Thanks,

Sonny Vo

ps: It is a switch mounted on the intercooler's back side and on the left side. This switch prevents/cutoffs fuel if the Turbo is overboosted to protect the engine, similar to rev limiter but for turbo's boost.
Old 11-09-2001, 07:15 PM
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Just an update to anyone interested.

The overboost switch cost about $10, and not all created equal.

We (me and my mechanic) tested 3 switched before we decided on one with the highest values before the switch is on. My old one, and a brand new one tested about the same values. And an old one tested with the greatest of boots before the switch is on to turn off the fuel.

The new one gave me some problem during testing in second gear. So, we installed the old one with highest value and everything was fine. No more boost surge protection problem.

Sonny Vo



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