Quote:
Originally Posted by cppursell
I have heard from another source that a few ounces of tranny fluid in the tank does work. I'll try that too.
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I wouldn't; it's not going to increase the octane although it may slow the rate of combustion. One thing for sure - it's a solvent and it's going to raise all kinds of Hell with the carb.
Another option, not a great one - but workable - would be to go with a really thick head gasket. Going from an .028 to like an .056 or .060 would drop the CR into the 10.5 or so range which is a heckuva lot more reasonable and will probably run with full ignition advance on premium fuel...barely.
You end with with a horrifying quench, but this is all about making what you have work...