dual feed carb plumbing

[pkj]

i would like to see some pics of some of the ways people have set up there fuel lines for dual feed carb. thanks, pkj

[larry may]

I run a braided line to each bowl from the pressure regulator . Sorry do not have a picture. There are one inlet from tank and two outlets on the regulator I have . Also I have a fuel pressure gage at a nopther pposotion on the regulator. Hope this helps.

[71chevylowrider]

I bought one of those cool duel braided line setups from Russell, I don't have a picture but it was nice & clean & easy.

[cst70rocket]

Originally Posted by larry may

I run a braided line to each bowl from the pressure regulator . Sorry do not have a picture. There are one inlet from tank and two outlets on the regulator I have . Also I have a fuel pressure gage at a nopther pposotion on the regulator. Hope this helps.

Larry, what kind of regulator is it? If it's a holley, it may not be supplying adequate fuel to your carbs. I know, everyone does it. The holley regulators have a tiny orifice for the fuel to flow thru, even smaller than one (1) needle/seat in a holley carb. It's .090 for the regulator and .110 for the aftermarket needle/seat. I worked a setup last year with a 6-71 on a bb chevy and that was the issue. He had 1/2" fuel line with a Y block, going to 2 holley regulators and was way lean in the upper rpms. Not saying this will apply for everyone, but if you're having a lean issue, could be the problem.

[sneakysnake]

I used the solid chrome one but if everything doesnt line up they can leak but the flex ones are more expensive.

[larry may]

Originally Posted by cst70rocket

Larry, what kind of regulator is it? If it's a holley, it may not be supplying adequate fuel to your carbs. I know, everyone does it. The holley regulators have a tiny orifice for the fuel to flow thru, even smaller than one (1) needle/seat in a holley carb. It's .090 for the regulator and .110 for the aftermarket needle/seat. I worked a setup last year with a 6-71 on a bb chevy and that was the issue. He had 1/2" fuel line with a Y block, going to 2 holley regulators and was way lean in the upper rpms. Not saying this will apply for everyone, but if you're having a lean issue, could be the problem.

Thanks for the Tip . No I can't say I have or had any issues with getting enough fuel. Not a holly any thing other than a carb. This is very good information you sent . Will keep that in mind and thread in favorite. Thanks cst 70Rocket.............Larry

[riche]

I used the solid chrome one and turned it backwards. Then turned my distributor so that the vac. adv. canister was the other way. Ran the fuel line up the back of the motor it may be hard to see in this pick but I can take another if needed. Please do not laugh too much at the condition of my truck it was wrecked and has been sitting almost a decade... I plan on getting it back on the road soon!!!!

[pkj]

thanks everyone. i want to do something differant. i know i cant run long pieces of rubber fuel line safley. i saw some blue 3/8 inch rubber hse at a circle track supply house. not sure what it was for but looked like some tough stuff. any ideas on this? pkj

[cst70rocket]

If you look closely, you can see I ran the blue silicone hose from the fuel pump to a billet Y block in -10. From the Y, I ran -8an braided stainless to -8an fittings on the carb. This is in my daily driver malibu.

[kelsfine69]

Nice and Neat. Base bracket is either Morosso or Holley. fits between carb and intake. Made my own fuel lines with Russell Stuff. Regulator is Holley.