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Old 11-09-2017, 07:24 PM   #1
Larry64
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{dle

1964 inline 6 230 with 1 barrel carb. . At startup when warmed up it idles at 600 rpm, after driving around a while the rpm at idle goes up to 1,000. Any ideas as to why? It is a points ignition. Thanks
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Old 11-09-2017, 10:55 PM   #2
franken
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Re: {dle

Have a look at the choke.
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Old 11-10-2017, 12:25 AM   #3
Captainfab
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Re: {dle

Possibly a sticking mechanical advance. My '68 C10 with a 250 does that occasionally.
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Old 11-10-2017, 06:54 PM   #4
Larry64
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Re: Idle

Thanks. Will look into both.
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