Working on a 1965 Dart with 360. Problems with low idle vacuum, especially in gear. In gear, the most vacuum I can get is 9 in at 850ish rpm, and engine is struggling against the converter. The vacuum advance is just starting to come in at 7-8 in and would be all in at 14. I have slowly increased initial timing to 32 degrees (mechanical advance limited to 16) and I’m afraid to go farther even though every increase has helped. In park, the vacuum goes to 15 in and rpm jumps to 1400.
I...
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