Reply to "Proper fuel for 71 high compression"

bosswrenchMember

Dunno about being a 'real authority', but lessee... you have a 'high compression' engine. How did it drive on the fuel thet the p.o had in it? If it ran OK, what was it? Until I had a chance to open the engine up & see whats really in there, I'd stick with what works. If you don't do your own work, I'd recommend contating a big hot-rod shop in your area that may have an engine displacement gauge and let them "pump a few of your cylinders' to find exactly how high is "high" compression. If its over 10:1 and this motor has iron heads, you are sorta stuck with either a radical reduction in ignition advance or some level of race or av-gas, both of which are illegal on the street as well as being expensive & complcated to get. The real fix is to have a knowlegable engine shop rebuild the 30+ yr-old engine for todays fuel so it can e enjoyed. What area of the country are you in?

5/7/0411:11 PM

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