LT1 Fuel Questions
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Joined: Aug 2002
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From: Longview TX
LT1 Fuel Questions
I am looking for advice on running some new fuel lines. (lengths, etc) I am thinking it is going to take 12 ft to get from my gas tank to the fuel rails. I need one main line and one return line. However I am thinking of using a in-line pump. So I figure a line from the tank to the pump; pump to the filter; filter to the regulator; regulator to the fuel rails. The return line is a straight shot I think. If anyone has any good advice on running it and brands that would be great. I think a walbro 255 LPH fuel pump is what I am using. I mainly need help on deciding the lengths in between the fuel rails-regulator; regulator-filter; filter-pump; and pump-tank. If anyone can offer advice, that would be great. Also on LT1 engines, does fuel go in the engine through one fuel rail and leave out the other? or does it go in both fuel rails and leave another way? Also what size line should I use (width wise)? I am going with braided stainless steel line.
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I called TPIS to get some advice on this one.
TPIS reccomended I tig weld two Aeroquip AN adapters onto the fuel rail. I will have to take the fuel rail to a local welder, no big deal.
The other end of the problem is the fuel lines from the tank. I see no reason to replace these but you will need a couple of -6 AN adapters that TPIS also supplies.
Once you have your adapters installed you can then run two standard -6 braided lines. There are probably other places to get the adapters but the guys at TPIS were very helpful.
TPIS reccomended I tig weld two Aeroquip AN adapters onto the fuel rail. I will have to take the fuel rail to a local welder, no big deal.
The other end of the problem is the fuel lines from the tank. I see no reason to replace these but you will need a couple of -6 AN adapters that TPIS also supplies.
Once you have your adapters installed you can then run two standard -6 braided lines. There are probably other places to get the adapters but the guys at TPIS were very helpful.
Thread Starter
Member
Joined: Aug 2002
Posts: 202
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From: Longview TX
Originally posted by LT1swapper
I called TPIS to get some advice on this one.
TPIS reccomended I tig weld two Aeroquip AN adapters onto the fuel rail. I will have to take the fuel rail to a local welder, no big deal.
The other end of the problem is the fuel lines from the tank. I see no reason to replace these but you will need a couple of -6 AN adapters that TPIS also supplies.
Once you have your adapters installed you can then run two standard -6 braided lines. There are probably other places to get the adapters but the guys at TPIS were very helpful.
I called TPIS to get some advice on this one.
TPIS reccomended I tig weld two Aeroquip AN adapters onto the fuel rail. I will have to take the fuel rail to a local welder, no big deal.
The other end of the problem is the fuel lines from the tank. I see no reason to replace these but you will need a couple of -6 AN adapters that TPIS also supplies.
Once you have your adapters installed you can then run two standard -6 braided lines. There are probably other places to get the adapters but the guys at TPIS were very helpful.
Junior Member
Joined: Nov 2002
Posts: 76
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you will need one weld-on adapter per fuel rail. They will be welded onto the ends of the existing hard lines coming off of the fuel rail assembly.
As far as running new lines from the tank; If your going to fab up a all new lines I would call someone like TPIS or maybe howell. I would also draw up a simple schematic of what you are trying to do and maybe take that to a local speed shop.
As far as running new lines from the tank; If your going to fab up a all new lines I would call someone like TPIS or maybe howell. I would also draw up a simple schematic of what you are trying to do and maybe take that to a local speed shop.
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