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Old 01-28-2020, 11:24 AM   #12
40 Deluxe
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Join Date: May 2010
Location: now Kuna, Idaho
Posts: 3,778
Default Re: Intake manifold getting hot

Quote:
Originally Posted by Purdy Swoft View Post
The rubbing block on new points wear and the gap reduces . When the points gap gets less than eighteen thousands the engine will soon begin not to run as well . Points gap effects timing . Less gap retards , more gap advances . Even slightly retarded operation will cause the manifolds to run hotter .
"Points gap affects timing"? Only when the advance lever is completely up or completely down. Otherwise timing is totally controlled by the position of the advance lever. Most drivers seem to set the timing to where the engine sounds right and feels good. If the point gap has changed, that 'sweet spot' is just a few clicks away from the usual setting.
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