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Old 05-12-2015, 06:41 PM   #4
Macster
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Join Date: Feb 2010
Location: Havelock, NC
Posts: 23
Re: 1979 GMC SB Carb LS Power

Well this is the edelbrock package; the Tuner is built by MSD but to edelbrock specs; hence tuning "Pills" vice software.
She ran great for aboyut a week and started stumbling. I pulled the plugs and they were toast,
Just ran it today and she is still stumbling and I have no way to run diagnostics so I might scrap and go back to EFI
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