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HEI on 1965 389 http://www.pontiacbonnevilleclub.com/forum/classics-star-chief-and-1957-to/topic49736.html |
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Author: | 1965BonnieHearse [ Mon Nov 14, 2016 6:36 pm ] |
Post subject: | HEI on 1965 389 |
Can anyone tell me or show me with a picture if a standard-size HEI will have enough space without hitting the firewall? Should I get the smaller diameter HEI instead? Also, would an HEI unit for a '70s Pontiac fit the 1964 389? Thanks! |
Author: | CMNTMXR57 [ Sat Jan 07, 2017 1:34 pm ] |
Post subject: | Re: HEI on 1965 389 |
It should work, I've seen it on GTO's of that vintage. Here is a good read on conversion (which includes a link to a converted '65 GTO); http://www.pontiacstreetperformance.com ... rsion.html Quote: HEI, 1976, spring kit installed, 10 degree initial, 24 mechanical, 34 degrees total in by 2400 rpm, adjustable vac advance, 9 degrees
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