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Big Block V8 - 385 Series (6.1/370, 7.0/429, 7.5/460)
idle gradually increases

idle gradually increases

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Old

Jul 30, 2019 | 04:48 PM

#1

george kosht

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Joined: Jul 2019

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idle gradually increases

hello, i have a 1985 ford b-700 with a 370-2v, the problem that i am having is that after the engine runs for about 5 mins or so or gets warmed up the idle will gradually increase, i had the carburetor rebuilt and this problem has been going on after that was done. i was wondering what could be causing this?

thanks

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Old

Jul 31, 2019 | 02:47 PM

#2

Redrokin09

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Joined: May 2019

Posts: 338

Likes: 3

From: UT - Utah

vacuum leak, or the timing curve on the dizzy isn't advancing it the way it should. Could be that the Vacuum advance isn't working

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