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Re: How can I improve fuel economy?
Double hump = camel back no? 63cc chamber? used to be the poor mans hot rod heads after machining for 202 intakes. Wouldn't think this is the problem. But not an expert...
Found this in an add for a distrib... "Adjustable vacuum advance canister to improve economy."
Last edited by Johnnyhotrod; 06-19-2014 at 03:12 AM.
Reason: update
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