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Author Topic: 350 pontiac  (Read 6750 times)

Offline cris85

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Re: 350 pontiac
« Reply #15 on: February 14, 2011, 11:45:01 AM »
thanks cliff!
at the iddle, it's ok!
how fine the good idle bypass air hole?
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Offline cris85

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Re: 350 pontiac
« Reply #16 on: February 27, 2011, 02:21:28 AM »
i put this in my other car ( firebird 1968 400 th 400, original ignition) and the vacuum problem doesn't come back!
the 1968 firebird run very well!
why does it run bad with the HEI ignition in the 1978 firebird???
thanks
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Offline Cliff Ruggles

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Re: 350 pontiac
« Reply #17 on: February 27, 2011, 04:12:49 AM »
Much lower compression engine and larger cam in it.  This produces less signal at idle and low speeds......Cliff
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