Al,
I found the Goodparts G-2 cam to be a little more radical than I
expected. It works fine but it is lumpier than expected at idle.
Most people who hear it at idle and know about these things ask if I "have
a cam" in the car so it is noticeable. I think I have between 9.5 and
10.0 to 1 compression ratio on my car and have to use premium. If I get a
dose of bad gas I can tell it from the pinging under light load. I took a
lot, I'm not sure but I think it may have been as much as .025 (1/4
inch) off of the late model head I purchased for the experiment. From the
responses you got to your question I ported, and deburred the head, intake and
exhaust and the car runs great, especially with Rick Patton's TBI
setup.
Mike Lunsford, 1970 TR6
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