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Corvette
C3 Forum
81 corvette fuel or spark ?????
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<blockquote data-quote="Steamer" data-source="post: 96276" data-attributes="member: 858"><p>Another thing to check is the vacuum advance diaphragm on the distributor. If it has a hole in it, the breaker plate is not being advanced far enough to burn all the gas a higher speeds.</p><p>Probably why around town she runs fine and runs fine again when you slow from highway speeds. I would imagine if you lifted the hood at night you would see the exhaust manifolds glowing in the dark</p><p>as the gas is being burnt in the pipes and not in the engine.</p><p>Don't want to say how I know but I used to own a 1930 Model A with manual advance, Enough said!!!</p><p>Rob</p></blockquote><p></p>
[QUOTE="Steamer, post: 96276, member: 858"] Another thing to check is the vacuum advance diaphragm on the distributor. If it has a hole in it, the breaker plate is not being advanced far enough to burn all the gas a higher speeds. Probably why around town she runs fine and runs fine again when you slow from highway speeds. I would imagine if you lifted the hood at night you would see the exhaust manifolds glowing in the dark as the gas is being burnt in the pipes and not in the engine. Don't want to say how I know but I used to own a 1930 Model A with manual advance, Enough said!!! Rob [/QUOTE]
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Corvette
C3 Forum
81 corvette fuel or spark ?????
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