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Old 05-11-2015, 07:40 PM   #1
Macster
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1979 GMC SB Carb LS Power

1979 GMC SB
Stock Suspension
373 rear/eaton Posi
LM7 5.3 Vortec
edel-7118 Intake/LS1 controller
edel 1405 600 cfm Carb
700R4
Stock truck rally's
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Old 05-11-2015, 10:11 PM   #2
cable666guy
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Re: 1979 GMC SB Carb LS Power

Sweet !!
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Old 05-12-2015, 10:22 AM   #3
rajincajintj
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Re: 1979 GMC SB Carb LS Power

looks great man.

what have you done with the MSD box? have you tuned it yet? im running the "3" plug on my propane injected LS, and i like it, but its all seat-of-the-pants tuning.

well done.
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Old 05-12-2015, 06:41 PM   #4
Macster
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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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Old 05-12-2015, 06:42 PM   #5
Macster
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Re: 1979 GMC SB Carb LS Power

Oh, thanks for the compliments!
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Old 05-13-2015, 09:33 AM   #6
rajincajintj
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Re: 1979 GMC SB Carb LS Power

Quote:
Originally Posted by Macster View Post
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
that is rough,,, mine cranks up and runs everytime. ive had great luck with it. but the propane carb is pretty stupid proof. it only has 2 adjustment screws, no jets or anything.

did the MSD box come with the software and cable for laptop connection?
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