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-   -   Fuel Lines? (https://www.rx7club.com/general-rotary-tech-support-11/fuel-lines-680765/)

Ozmodiar-X 08-17-07 07:24 PM

Fuel Lines?
 
Im going to put an edelbrock carb on my car and i know it needs to run about 5.5 or 6 psi of fuel. So i bout a carter pump that runs at 7, so im going to regulate it. now pump recommends that i use at least 3/8" line. Stock, on my '79 RX-7 is 5/16" hard line from tank, rubber lines, and hard lines under body. Do i have to up them? Also if i do, how do i increase the one from the tank? as it is a hard line.

Jims5543 08-17-07 09:20 PM

I had this problem when I switched to a huge fuel pump and fuel rails. There was just not enough fuel moving from the back to the front.

Its a job and a half but worth it, you can replace the stock lines with larger lines. I did this and now have a ton of fuel on hand for my needs.

Ozmodiar-X 08-18-07 08:23 AM


Originally Posted by Jims5543 (Post 7247402)
I had this problem when I switched to a huge fuel pump and fuel rails. There was just not enough fuel moving from the back to the front.

Its a job and a half but worth it, you can replace the stock lines with larger lines. I did this and now have a ton of fuel on hand for my needs.

what about the ones from tank?


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