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Strange high idle, common issues ruled out 140-160 1968

posted by  145Guy on  Wed Aug 12 17:21 CST 2009
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last visit: Wed Mar 14 07:46 CST 2012
[RELATED]

By any chance, have you tried a different set of carbs? I don't think I remember reading that you have.
OR, while she's idling high, block off some of the intake area on the front of each carb and see what happens...it should lower. I've seen the same thing when the housing and/or slides are worn and air's getting through.
I know they were rebuilt, but the carbs seem to be the last variable.

Good luck with that, also, what weight/type oil do you have in the carbs? Not that it should make a difference that noticeable at idle.

Jay

9 or so 140's (different states of disassebly), and parts to make another 3 more.
'72 142s daily driver.






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