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Search took 0.00 seconds. Search: Posts Made By: Stan Weiss
Forum: Pontiac - Street 12-08-2022, 01:24 PM
Replies: 62
Views: 7,145
Posted By Stan Weiss
Jay, Those numbers were with a true symmetrical...

Jay,
Those numbers were with a true symmetrical cam. If that was one of Harold's cam it would have another 4 or so degrees on the IVC still in a 106 ICL which would be about 10.4:1 @ 185 psi. Now...
Forum: Pontiac - Street 12-08-2022, 12:32 PM
Replies: 62
Views: 7,145
Posted By Stan Weiss
Jay, The earlier number were with a cold engine...

Jay,
The earlier number were with a cold engine the later number are with a warm engine.

The posted cam card has adv duration as 290 and calls for a 106 ICL. This means an IVC of 71 degrees ABDC....
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