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#1 |
Registered User
Join Date: Mar 2011
Location: Seattle, Wa.
Posts: 14
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1964 C10...need some help...
Ill try to run down everything as best I can. I have a 1964 C10 long bed Stepside, with a Chebie 350, Performer manifold, Carter 625, headers, RV cam...usual bolt-on stuff for a 350.
She has always ran well ever since I bought her 5 years ago, except she started to get a slow draw on the electrical system, eventually requiring me to install a battery cut off switch when I parked her for more then a few days. A few months back the alternator quit charging and was only on battery power when I tried to drive her. Had the alt checked @ O'Reallys. Replaced it, but still had no charging voltage across the battery. Started looking @ the external regulator, when I said F it, and went for the later model high output Trans Am alternator suggested as THE replacement when upgrading. Followed the online instructions here and VIOLA!! 14+ volts across the battery... windshield wipers flying off the windshield, volt meter showing a positive charge..... Excellent all the way...... ![]() Except one thing..... She wont idle, no matter what I do.. ![]() Air screws out 1.5 turns, idle adjustment screw turned in until she actually runs, (1200rpm+), and when I start backing her down, she stumbles like she I is starving for gas and then dies. Now, I also noticed that my glass fuel filter is solid gas, no bubbling @ all. Think I may need a regulator?? Thanx for any thoughts or advise you can give... Last edited by Blainethemono; 05-08-2013 at 09:12 PM. |
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#2 |
Registered User
Join Date: Feb 2013
Location: central California
Posts: 2,738
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Re: 1964 C10...need some help...
So if it idled previous to the alternator swap it's either a coincidence and something else failed or the swap caused it. But how? Is there any way something about swaping alts could have shorted the ignition? You said there was a slow draw on the battery before the changes, could the draw have been the coil? If so, is it still there? I'm just guessing here, but if the slow draw was or is the ignition, could the coil be wearing out from the stress that might put on it?
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#3 |
Registered User
![]() Join Date: Jan 2008
Location: Spokane WA
Posts: 254
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Re: 1964 C10...need some help...
Personally I would start with timing.. Once ya know that is ok then move forward.. Your gettin fuel, air, spark... has to have a super high idle to run.. Id be lookin at timing. I am no pro.. but that is where I would start.
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#4 |
Registered User
![]() Join Date: Oct 2012
Location: Tucson, AZ
Posts: 101
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Re: 1964 C10...need some help...
Sounds like a vacuum leak. You could try the idle mixture screws 2.5 turns out from seating and see if that changes anything
__________________
_____________________________________________ 1966 c10, short fleet, 402ci 700r4 1988 r20 Suburban 454ci tbi, th400 (12v Cummins soon) 1980 shovelhead, hardtail, open primary 1998 FXDWG |
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#5 |
Registered User
Join Date: Mar 2011
Location: Seattle, Wa.
Posts: 14
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Re: 1964 C10...need some help...
Thanx Guys.....I narrowed it down.... Kinda feel stupid really,
![]() ![]() Swapped it out an all is good.... now....on to my tail light problem..... ![]() |
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#6 |
Registered User
Join Date: Feb 2013
Location: bakersfield ca
Posts: 87
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Re: 1964 C10...need some help...
dont you just love that.glad you fixed it.Jimmy
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