Quote:
Originally Posted by ksd9000
Its the stock bypass valve. And the IC rubber piping is surprisingly still soft and pliable. Plus I cleaned all the piping out thoroughly before reassembly.
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Pliable or not it shouldn't even be coming off at 14+psi. Something's wrong with it, the clamp or your arm strength.
Quote:
Originally Posted by ksd9000
Applying vacuum at idle should make the valve open and cause the engine to stumble correct?
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No. the valve dumps back into the intake AFTER the KVAFM, so the air is metered and accounted for.