Thread: Misfire mystery
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Old 01-29-2024, 09:15 AM   #34
Fairlane514
Senior Member
 
Join Date: Apr 2022
Location: Brenham, TX
Posts: 123
Default Re: Misfire mystery

It does have an aftermarket switch......I have run it with the dash hanging down and not mounted.....no change.

I have adjusted my idle mixture screw according to my vacuum gauge and about 1/4 turn either side of the most vacuum achieved, no difference.

I think at this point, it must be a sticky valve or two......I have Marvel in the fuel and oil, im just going to drive it a little bit hard and see if it finally frees up.
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