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Old 11-28-2006, 10:56 AM   #1 (permalink)
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I've got the 6 cyl out and I'm making preparations for the 5.0 EFI/T5 combination. I know I need to run a return line for the EFI and I gather that due to the noise, its better to have an in-tank fuel pump. What's the best way to accomplish this ?
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Old 11-28-2006, 11:15 AM   #2 (permalink)
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Search, search, search

This may help:

http://forums.vintage-mustang.com/sh...+tank/#1533130
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Old 11-28-2006, 11:21 AM   #3 (permalink)
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I've read enough posts on here to know to search and almost started my post with a disclaimer, but then almost every post here would need one, since we're discussing cars 40 years old.

tried EFI and "fuel pump" and tank, "installing fuel pump in tank", etc
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Old 11-29-2006, 01:27 PM   #4 (permalink)
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Just giving you a hard time. Did that info answer your question(s)?
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Old 11-29-2006, 03:41 PM   #5 (permalink)
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I learned that the best thing to do would be to have RonStang fab one up for you.

That one he built is a work of art.

Phil
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Old 12-04-2006, 04:46 PM   #6 (permalink)
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Well, not really. After looking at RonStang's work, who isn't interested in free-lancing, what is the most simple way to install a fuel pump in the tank ?
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Old 12-04-2006, 05:30 PM   #7 (permalink)
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Quote:
most simple way to install a fuel pump in the tank ?
I don't believe there is a most simple way, Kemosabe. It's going to be one complicated mofo of a job. The most simple way is to put fuel pump outside of the tank. That would also be the 2nd to 10th most simple thing to do, too. And...it's not all bad. I had to change the pump on my 5.0 last winter. Pulling the gas tank is a PIA.

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Old 12-04-2006, 05:36 PM   #8 (permalink)
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I was hoping someone had devised a way to drop in a pump through the sending unit opening. So you mounted the pump and filter in front of the tank ? Pulling the tank isn't so bad, but it would mess up my seam sealer and trunk paint, plus I've done anough stuff twice on this project.
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Old 12-04-2006, 05:39 PM   #9 (permalink)
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I'm still using a mechanical pump on my '65. The '89 GT I was talking about has the pump in the tank.

Holley (and others) make several electric pumps that mount in front of the tank. These come in different pressure ratings for use with a carburetor or EFI. I'm not an expert on them. You could try another post for "question about electric fuel pump '65" and probably get several expert opinions about what works best.

Phil
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Old 12-04-2006, 06:40 PM   #10 (permalink)
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Quote:
Originally Posted by 65MoneyPit
I was hoping someone had devised a way to drop in a pump through the sending unit opening. So you mounted the pump and filter in front of the tank ? Pulling the tank isn't so bad, but it would mess up my seam sealer and trunk paint, plus I've done anough stuff twice on this project.
Take a look at the photos of my pump and filter install, they are on my CarDomain pages. I used a Walbro pump and a filter and bracket from a Windstar. I used new plastic line and connectors to the front of the car. This line runs up the right side of the car. I used the original supply line as the return, cut it off as it crosses the left front frame rail, and off again just above the tank sending unit. An extra piece of tubing was attached, bent to shape and the drain plug became my return. I drove quiet a bit this summer and kept the tank above the 1/4 full mark, no stalling or stumbles at all.

Just in case you have an extra thousand bucks laying around, you could always purchase one of those really nice custom fit, stainless steel EFI tanks the Rick's makes. Do a search at Jeg's, they have them availalbe.
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Old 12-05-2006, 12:09 AM   #11 (permalink)
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I am putting a 5.0 in my 1970 Sportsroof and I bought a new tank and built a stainless steel sump with hinged trap doors that contains the 5.0 pump and fuel sender and is bolted in with a viton (fuel proof) rubber gasket. I can change the pump or the sender from the top by just loosening the stock sealing rings and pulling them out the top.
I went with the late model sending unit because i built a fiberglass instrument cluster with all Autometer gauges and they have a fuel gauge that works with the 5.0 sending unit.
Lots of work but i'm retired so who cares.
Howard
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Old 12-05-2006, 12:25 AM   #12 (permalink)
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Installing a pump inside the tank was too difficult a task for me. I went the BC Bronco's route with the outside accumulator tank and a feeder pump. It's a little busy, but it's been working quite well and it's a lot easier.

http://www.midnightdsigns.com/james/EFI/Fuel/

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