what he said
Fuel return/vent line - how do I.....
Thread Starter
Racer
Joined: Jan 2004
Posts: 377
Likes: 1
From: Anchorage Alaska
Fuel return/vent line - how do I.....
I'll be running a blown big-block, and have a couple questions:
1- do I need a high performance fuel pump? which one?
2- if the pump has no provision for the return line, what/how do I deal with this?
Thank you!
1- do I need a high performance fuel pump? which one?
2- if the pump has no provision for the return line, what/how do I deal with this?
Thank you!
Racer
Joined: Sep 2000
Posts: 485
Likes: 1
From: Dallas Texas
For what you are doing I would think it would be a requirement to upgrade your fuel system. You might think about an electronic fuel pump. Look in Summitt or other vendors, there are several higher than stock volume mechanical pumps available. As far as a return line, you can run a regulator which is probably a good idea anyway.
Tech Contributor
Joined: Aug 1999
Posts: 14,376
Likes: 6,375
From: At my Bar drinking and wrenching in Lafayette Colorado
Yes, you need a very good fuel delivery system. As part of this system, I recommend running a return side pressure regulator. This type of pressure regulator holds fuel pressure by constantly bleeding off excessive fuel to the return line, much like the system on the old Hilborn injection units. You install it at the tail end of your carb fuel inlet log, and it keeps fuel circulating through your log and back to the tank at all times.
Le Mans Master
Joined: Jan 2004
Posts: 8,295
Likes: 30
From: one night in Bangkok you are never lonely
Originally Posted by lars
Yes, you need a very good fuel delivery system. As part of this system, I recommend running a return side pressure regulator. This type of pressure regulator holds fuel pressure by constantly bleeding off excessive fuel to the return line, much like the system on the old Hilborn injection units. You install it at the tail end of your carb fuel inlet log, and it keeps fuel circulating through your log and back to the tank at all times.
Where do you buy this regulator and how do you set the presure on it?
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