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Topic: Fuel lines

in Forum: C3 Fuel, Emission Control, and Exhaust Systems

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Fuel lines

Posted: 12/12/07 10:30pm Message 1 of 10
79rebuild
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Yelm, WA - USA
Joined: 7/12/2007
Posts: 356
Vette(s): 1979 L82 4 speed Scat 383 crank 190 cc Procomp Aluminum Heads 202 160 stainless valves GM Powder metal rods Speedpro H860CP Hypereutectic pistons 280 cam hydralic HEI Pro comp 1.6 roller rockers Mighty Demon 750 Sanderson CC1AP Hedders.
Well I did it again I read one of my manuals and now I'm confused. I have three lines running from my tank. I was planning on using the smaller one next to the main fuel line for a return from my pressure regulator, will this work?
My manual described a pressurized fuel line going to the carb in addition to the main fuel line and that's what threw me.  



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Fuel lines

Posted: 12/12/07 10:48pm Message 2 of 10
Gale Banks 80
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Vette(s): 1980 with a Banks Twin Turbo 1969 Convert Big Block 1996 Grand Sport Convert
  I have used the same smaller line on my 80' for a Fuel return Line. i beleive that was it purpose in the first place. The 3rd one is a Vent Line for an Emissions Canister. Richard.....


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Fuel lines

Posted: 12/13/07 7:08pm Message 3 of 10
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kstyer
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CUYAHOGA FALLS, OH - USA
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Vette(s): 1975 C3 Red, T-Tops, Black Interior. All I need is time and money! Getting there!
Some of the fuel pumps had a return line.  This helped keep the fuel cool, and prevented vapor lock.  That was often the third line on the tank.


Fuel lines

Posted: 1/12/08 1:18pm Message 4 of 10
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68vet427
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macedon, NY - USA
Joined: 7/20/2006
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Vette(s): 68 COUPE 454 HAS MOTION HOOD SCOOP, REVERSED GILLS ZL-1 FENDER FLARES AND MOTION REAR SPOILER, LEMAN'S GAS CAP, BUCKET HEADLIGHTS. CAN-AM FRONT RACING SPOILER. CHROME HOOKER HEADERS AND SIDE PIPES! 4 SPEED M20, LOOKS FAST STANDING STILL !!
hi
on my 71 i only had the gas line running down the pass side.
i bought stn stl lines and i put in the extra line.
 my question is,
do i need to use it?
454 engine.
the chrome fuel pump i bought looks to have a 3rd port. i'm assuming that is for the return line.
thanks
joe




Fuel lines

Posted: 1/12/08 4:12pm Message 5 of 10
79rebuild
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Yelm, WA - USA
Joined: 7/12/2007
Posts: 356
Vette(s): 1979 L82 4 speed Scat 383 crank 190 cc Procomp Aluminum Heads 202 160 stainless valves GM Powder metal rods Speedpro H860CP Hypereutectic pistons 280 cam hydralic HEI Pro comp 1.6 roller rockers Mighty Demon 750 Sanderson CC1AP Hedders.
What kind of fuel pump is it? I hooked up all three of mine. Fuel the return, (passenger side) and the vapor line (drivers side), just so I wouldn't have any issues. 


Fuel lines

Posted: 1/12/08 10:15pm Message 6 of 10
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68vet427
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macedon, NY - USA
Joined: 7/20/2006
Posts: 367
Vette(s): 68 COUPE 454 HAS MOTION HOOD SCOOP, REVERSED GILLS ZL-1 FENDER FLARES AND MOTION REAR SPOILER, LEMAN'S GAS CAP, BUCKET HEADLIGHTS. CAN-AM FRONT RACING SPOILER. CHROME HOOKER HEADERS AND SIDE PIPES! 4 SPEED M20, LOOKS FAST STANDING STILL !!
its a chrome plated pump, not sure of the make, (i didnt really look that close.Smile)
i think i will also hook up all of them, to be on the safe side.

joe




Fuel lines

Posted: 1/13/08 6:59am Message 7 of 10
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lukesvette
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HOWELL, NJ - USA
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Vette(s): 1979, Targa Blue (72 Color), Pace Car rear spoiler, L88 hood, Dark blue factory interior, 525HP 406, HD 700R4, 370 gears,Steeroids, composite rear spring, TT IIs wrapped in T/A Radials.
Jason, this is a regulator for an after market electric pump?


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Fuel lines

Posted: 1/13/08 10:32am Message 8 of 10
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68vet427
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macedon, NY - USA
Joined: 7/20/2006
Posts: 367
Vette(s): 68 COUPE 454 HAS MOTION HOOD SCOOP, REVERSED GILLS ZL-1 FENDER FLARES AND MOTION REAR SPOILER, LEMAN'S GAS CAP, BUCKET HEADLIGHTS. CAN-AM FRONT RACING SPOILER. CHROME HOOKER HEADERS AND SIDE PIPES! 4 SPEED M20, LOOKS FAST STANDING STILL !!
hey paul,
the one i have is not an electric pump, its manual that bolts on the block.
i believe its an after market. all i see on the underside is
MADE IN USA       BG
there is an aluminum tag sticking off one of the bolts but cant quite read what it says..
joe
ps: i sent you a private message




Fuel lines

Posted: 1/13/08 12:53pm Message 9 of 10
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lukesvette
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HOWELL, NJ - USA
Joined: 5/18/2004
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Vette(s): 1979, Targa Blue (72 Color), Pace Car rear spoiler, L88 hood, Dark blue factory interior, 525HP 406, HD 700R4, 370 gears,Steeroids, composite rear spring, TT IIs wrapped in T/A Radials.
Thanks. BTW BG is Barry Grant. Good equipment...


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Fuel lines

Posted: 1/13/08 1:31pm Message 10 of 10
79rebuild
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Yelm, WA - USA
Joined: 7/12/2007
Posts: 356
Vette(s): 1979 L82 4 speed Scat 383 crank 190 cc Procomp Aluminum Heads 202 160 stainless valves GM Powder metal rods Speedpro H860CP Hypereutectic pistons 280 cam hydralic HEI Pro comp 1.6 roller rockers Mighty Demon 750 Sanderson CC1AP Hedders.
[QUOTE=68vet427]hey paul,
the one i have is not an electric pump, its manual that bolts on the block.
i believe its an after market. all i see on the underside is
MADE IN USA       BG
there is an aluminum tag sticking off one of the bolts but cant quite read what it says..
joe
ps: i sent you a private message

[/QUOTE]
 
You might want to reference the pump with BG's website so you know what kind of volume it's pushing. I put a Holley pressure reg/w return line and a 130 gph Jeg's(Holley knock off) Mech pump.
A lot of people do plug off the vapor return line with no issues(so I've been told...) and since I still had the vapor can I figured what the hay, might as well eliminate any possible vapor lock gremlins with the higher volume I'm running.
I did have some issues with the fuel line fittings off of the pump being too close to the frame but the pump was adjustable and a couple of 90 dg fittings solved that problem. If your pump has the lines on the bottom then it shouldn't be an issue.



in Forum: C3 Fuel, Emission Control, and Exhaust Systems


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