Exhaust pipe and cooler

Jun 19, 2003
Nowhere Nebraska
The 2f for my 40 is going to be back from the machine shop soon, I don't want to put the exhaust gas cooler back on. I'm going to cap the port under the ex. manifold, so...what should be done with the valve that feeds all the vacuum and feeds the ex. back into the intake? Scrap the whole affair? Is it still required on a de-smogged 78?

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