Edlebrock carbs and fuel pressure regulators

[SirRobyn0]

I've got a 1984 Chevrolet C-20 that the former owner installed a edlebrock carburetor on. I believe that I'm having some minor issues with it because of excessive fuel pressure. I'd like to install a pressure regulator, and I'd like to hear from folks that have one, what they installed, and what they like or dislike about it.

 

[Dutch Rutter]

Heres my setup.

Regulator
https://www.summitracing.com/parts/hly-12-840

Gauge
https://www.summitracing.com/parts/aei-15632

Line and filter from the regulator to the carb 1405
https://www.summitracing.com/parts/edl-81343

Line from pump to reg
https://www.summitracing.com/parts/edl-81233

Then I ended up using lots of different AN fittings and adapters. I blocked the fuel return line from the regulator itself as my fuel pump as a return line. If your does not you'll want to run one from either the pump or the regulator. It's always best to keep the regulator close to the carb to avoid the pressure bleeding down over distance and bends. It's also best to have the regulator hard mounted. Mine is not currently but between the hard line I have it secure enough not to create leaks. It works well but could be better by being hard mounted. Which it has the provisions to be done I just haven't yet. It also wasent a whole lot of money.

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[Camar068]

I've read anything from 3-6 psi. I never got the chance to try it as I ended up getting a Demon carb. Below is a link to another forum that discusses it for a 1405/1406 Edelbrock.. Don't think it's against the rules, if it is plz delete.

https://www.jalopyjournal.com/forum/threads/eldebrock-fuel-pressure.800848/

 

[SirRobyn0]

David, thanks for the link I read it over. Joshua thanks for the pics of your set up and all the info. I haven't had a chance to do anything yet, but I will one of these days.

 

[thirstybob]

David, thanks for the link I read it over. Joshua thanks for the pics of your set up and all the info. I haven't had a chance to do anything yet, but I will one of these days.

I bought the Edelbrock fuel pump which states it is set at 6 psi. I tried a regulator and could not get it set correctly, plus it was a pain in the ass to mount it in the right spot. My fuel pressure gauge doesn't go over 6 psi.

 

[Camar068]

fender well works good. thats where I had mine. One thing that bothered me was the guage bounced so much it was hard to tell where to set it at. Say you wanted 5 psi, so do you set the max to 5 or the minimum.....or average with mechanical fuel pump?

 

[SirRobyn0]

fender well works good. thats where I had mine. One thing that bothered me was the guage bounced so much it was hard to tell where to set it at. Say you wanted 5 psi, so do you set the max to 5 or the minimum.....or average with mechanical fuel pump?

It bounces like that because a mechanical pumps produce pressure like that. I would say set for max.

 

[78C10BigTen]

Heres my setup.

Regulator
https://www.summitracing.com/parts/hly-12-840

Gauge
https://www.summitracing.com/parts/aei-15632

Line and filter from the regulator to the carb 1405
https://www.summitracing.com/parts/edl-81343

Line from pump to reg
https://www.summitracing.com/parts/edl-81233

Then I ended up using lots of different AN fittings and adapters. I blocked the fuel return line from the regulator itself as my fuel pump as a return line. If your does not you'll want to run one from either the pump or the regulator. It's always best to keep the regulator close to the carb to avoid the pressure bleeding down over distance and bends. It's also best to have the regulator hard mounted. Mine is not currently but between the hard line I have it secure enough not to create leaks. It works well but could be better by being hard mounted. Which it has the provisions to be done I just haven't yet. It also wasent a whole lot of money.

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I like your valve covers!

 

[Dutch Rutter]

I like your valve covers!

Thank you! They do distract nicely from the bic pen in the vacuum line "mod"

 

[potent rodent]

why are u running ported vacume ?

 

[SirRobyn0]

why are u running ported vacume ?

I'm not sure who you are asking this question of but for me I'm running ported because that was factory on my truck and my emissions devices, primarily cat, air pump are intact. Plus I find I have a better cold idle on ported.

 

[78C10BigTen]

Looking at the carb from the front, left is ported correct?? If so i am also running ported.

 

[SirRobyn0]

Looking at the carb from the front, left is ported correct?? If so i am also running ported.

yes that is correct