Join Date: Feb 2003
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Re: How much compression is enough?
This certainly won't help your compressions problems, but I had a '71 with the 225 and started backfiring like crazy (flames out the sidepipes!). It turned out to be a bad condenser. Took me a while to figure it out, since it was so simple. If you still have points in it, try a new condenser (and good luck with the rest of the motor!)