NCross

iTrader: (18)

Vehicle is a 79 SA.

I want to know if a GSL-SE fuel pump is external in-line. I plan on swapping a series 4 13b NA into it. Can I put a GSL-SE fuel pump directly in place of my Holley blue pump? Will I need special high pressure lines? These lines look to have been replaced from the pump to the carb in the last couple years so they may be standard fuel lines for modern EFI.

I want to retain the 79 gas tank if at all possible for cost reasons. I don't see why it should'nt work for EFI. It's baffled and all right?

I just need to be pointed in the right direction of a good in line pump that will power a series 4 13b NA EFI.

My other option is to mount my 87 Sport parts car gas tank in the 79 and run the extra T2 pump I have. Has anyone mounted an FC gas tank in an SA or FB?

RRTEC

iTrader: (13)

YES.. It is inline.

RRTEC

iTrader: (13)

https://www.rx7club.com/showthread.p...2a+to+13b+swap

BTW the 2nd gen tank is way too big... it would really hang down... Fuel cell would be a better option. Check out my thread above.

RRTEC

iTrader: (13)

No modifications to the tank or lines needed.. I bought mine (pump) at autozone. Universal unit.

trochoid

iTrader: (6)

I have to disagree/correct a couple of points. Stock carbed equipped fuel lines are too small for the SE pump, they need upgraded to 5/16-3/8" for the supply line, old supply line can then be used for the new return line. All rubber fuel line must be replaced with FI rated fuel line. Fuel pickup/return assembly should be replaced with the SE one. All first gen tanks are baffled, which has nothing to do with the needed sump cup to prevent fuel starvation that only the SE tanks have. I have a write up in the archives showing the differences between the tanks, sump cup and pickup assemblies. Proper installation of a fuel cell would require removal of the spare tire well.

FC tank will not fit for 3 reasons, size, location of spare tire well is different between 1st/2nd gens and the filler neck is on the other side of the body. I have modded stock 1st gen tanks, using parts from an S4 tank, to use the FC sump cup, pickup/return assembly and in tank pump. Runs about 300 plus parts and shipping for a fully restored/modded tank. Dan S Young and dj55b are running tanks I've modded. Dan's was tricky since he wanted dual intank fuel pumps.

Afaik, the SE tank will not fit in an SA body so to get around spending the money on a modded tank for the sump cup, you will need to install a surge tank. There are a number of different ways to this and most run a low pressure pump to pull fuel from the tank to supply the surge tank, then an FI high pressure pump to supply the engine from the surge tank.

RRTEC

iTrader: (13)

I ran my motor fine on 12A lines.. ideally upsizing the lines would be best, but you can run without issue without doing so.. I remember your thread when I asked the question a few years ago. Good info !

NCross

iTrader: (18)

My best and easiest option seems to be installing a GSL-SE inline pump. I would replace the lines after the fuel pump and run a z32 300zx fuel filter like I did on my last FC and 240sx. Cheap, in stock, and high flow.

So if I just bolt on the GSL-SE pump it will wire directly into the 12a electrical plug behind the seat? As well as work right out of the box? No rewire required? Should work with the 12a harness even though I'd be running 13b correct? just change the fusible links out for the FC fuse block?

Keep in mind that I have an 87 parts car that has the electrical harness from the battery back to the tail lights. Minus the engine/tranny harness. If required will I have to run the FC dash harness?

Rx-7Doctor

iTrader: (13)

The Se pump on the output side is set up for a banjo line as seen in this link-
The inlet side is a 7/16' nipple.

https://www.rx7club.com/1st-generation-specific-1979-1985-18/se-fuel-pump-pic-request-805992/

You would be better to get the stock banjo line that attaches to the fuel pump and the stock banjo lines from the stock fuel filter and stock filter and mounting hardware.

The plug from your stock fuel pump will work on the SE but you do not want the fuel pump to come on before you start cranking. You can either wire in a relay or on off switch so that you can turn the pump on when you start cranking.

trochoid

iTrader: (6)

My concern about not upsizing the lines is 2 fold. The smaller lines put a greater strain on the pump, most likely shortening it's longevity. The SE pump puts out more gph than the stock FC NA pump. The SE has larger fuel lines than even the FCs do. 2nd is the smaller lines may cause fuel supply issues at sustained high rpm.

trochoid

iTrader: (6)

I need to make a correction that Doc pointed out to me. The SE line is closer to 7/16ths. The carbed line is 5/16ths.

NCross

iTrader: (18)

Can you buy universal banjo bolts and lines from Autozone or Advance? In addition to the pump and soft lines.