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03-22-2015, 10:34 AM
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#1 |
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Registered User
Join Date: Feb 2010
Location: Havelock, NC
Posts: 23
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1979 GMC S/B LS Swap-Carb intake
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03-22-2015, 12:42 PM
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#2 |
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Registered User
Join Date: May 2010
Location: Mountain House, CA
Posts: 555
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Re: 1979 GMC S/B LS Swap-Carb intake
Nice looking project. Do you have any more info?
__________________
My Chevy habit is paid for by Ford diesels... Here is my SLOW LS install: http://67-72chevytrucks.com/vboard/s...55#post6456355 Caliper Rebuild: http://67-72chevytrucks.com/vboard/s...d.php?t=613748 Upper Control Arm Bushings: http://67-72chevytrucks.com/vboard/s...d.php?t=616974 IG mattcrp1 |
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03-22-2015, 03:59 PM
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#3 |
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Registered User
Join Date: Feb 2010
Location: Havelock, NC
Posts: 23
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Re: 1979 GMC S/B LS Swap-Carb intake
Sure
I had a ZZ 502 in her; nice for a daily driver when gas isn't 3.80 a gallon. I have done a few vortec swaps in 67-72 Chevy';s and decided to get a bit more economical. 2003 5,3 Vortec Stock Ex. manifolds-I had header problems Edel 7118 intake and performer 600 cfm Stock fuel tank;electric pump/regulator 700R4-Monster Tranny 3.73 rear end Just about it; nothing overly fancy and I have yet to see a carbureted LS in this area. |
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03-22-2015, 04:11 PM
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#4 |
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Registered User
Join Date: Feb 2010
Location: Havelock, NC
Posts: 23
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Re: 1979 GMC S/B LS Swap-Carb intake
Oh, if you are doing an EFI swap; been there on 67-72's. if I can help. just ask...
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03-23-2015, 04:11 PM
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#5 |
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Registered User
Join Date: Jan 2015
Location: Ruston, LA
Posts: 44
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Re: 1979 GMC S/B LS Swap-Carb intake
Very nice, good looking truck!
__________________
1983 GMC SWB - 350, TH-400 2002 Camaro SS - 408 9sec street car 2000 Trans Am - H/C/I 2014 Chevy Z71 |
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03-23-2015, 07:54 PM
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#6 |
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Registered User
Join Date: Dec 2014
Location: texas,2california
Posts: 123
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Re: 1979 GMC S/B LS Swap-Carb intake
Ok
 first of all nice 79.really digging that color combo.that swap looks pretty damn clean. Keep up the ls swapping! Keep us updated, my next swap is a 67-72 or 77-81 camaro/trans am.might have to ask for help on c10.
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03-24-2015, 04:03 PM
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#7 |
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Registered User
Join Date: May 2010
Location: Mountain House, CA
Posts: 555
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Re: 1979 GMC S/B LS Swap-Carb intake
Very cool, my 76 is almost "road worthy". How is the drivability with the carb set up over the efi set up? I have never driven a carbed ls so I have no point of reference.
__________________
My Chevy habit is paid for by Ford diesels... Here is my SLOW LS install: http://67-72chevytrucks.com/vboard/s...55#post6456355 Caliper Rebuild: http://67-72chevytrucks.com/vboard/s...d.php?t=613748 Upper Control Arm Bushings: http://67-72chevytrucks.com/vboard/s...d.php?t=616974 IG mattcrp1 |
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03-24-2015, 04:21 PM
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#8 |
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Registered User
 
Join Date: Jan 2015
Location: Charlotte, NC
Posts: 483
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Re: 1979 GMC S/B LS Swap-Carb intake
Clean swap, was curious myself as to why the carb was used
__________________
* Call me NOT the website number* Justin Novick (773) 303-8251 Sales/Support Entropy Radiator / Engineered Cooling Products "The Sexiest Radiators For The Sexiest Hot Rods" - www.EntropyRad.com www.speedcooling.com |
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03-26-2015, 09:16 AM
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#9 |
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Registered User
Join Date: May 2010
Location: Mountain House, CA
Posts: 555
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Re: 1979 GMC S/B LS Swap-Carb intake
What size tires are you running?
__________________
My Chevy habit is paid for by Ford diesels... Here is my SLOW LS install: http://67-72chevytrucks.com/vboard/s...55#post6456355 Caliper Rebuild: http://67-72chevytrucks.com/vboard/s...d.php?t=613748 Upper Control Arm Bushings: http://67-72chevytrucks.com/vboard/s...d.php?t=616974 IG mattcrp1 |
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05-15-2015, 08:59 AM
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#10 |
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Registered User
Join Date: Feb 2010
Location: Havelock, NC
Posts: 23
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Re: 1979 GMC S/B LS Swap-Carb intake
Okay, First of all sorry for the delays; truck has been pitching a Fit.
The Carb LS swap is done; Edelbrock controller is not doing its job very well so back top the Truck Intake. |
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05-15-2015, 09:01 AM
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#11 |
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Registered User
Join Date: Feb 2010
Location: Havelock, NC
Posts: 23
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Re: 1979 GMC S/B LS Swap-Carb intake
Tires on the GMC 1979 were 255/70 15. Found the Rallys on a truck in the salvage yard. 15X8 and the center caps;I think 6 rims and caps for 100 bucks. seemed fair to me.
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05-15-2015, 09:05 AM
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#12 |
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Registered User
Join Date: Feb 2010
Location: Havelock, NC
Posts: 23
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Re: 1979 GMC S/B LS Swap-Carb intake
Also, Carb intake was what I was referencing not running well; fowling plugs. like I said, back to the stock Vortec truck intake:
Fuel system will be a 1987 Fuel Tank and pump set up; pump puts out 135 PSI and the tank is baffled; 200.oo set up from Rock Auto. Fuel out-efi Hose to 10 or 40 Micron inline. 3/8" Not to hose barb input; Braid 6 AN to the inlet on the intake. return line I think is 5/16 and low pre4ssure so I will probably run 5/16 EFI hose to the pump return; not sure if I have enough room for tube to AN crush fittings. I will try and post my results. |
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05-15-2015, 02:47 PM
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#13 |
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Registered User
Join Date: Jan 2015
Location: Ruston, LA
Posts: 44
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Re: 1979 GMC S/B LS Swap-Carb intake
Nice clean swap!
__________________
1983 GMC SWB - 350, TH-400 2002 Camaro SS - 408 9sec street car 2000 Trans Am - H/C/I 2014 Chevy Z71 |
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