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AN fittings on a stock fuel pump bracket ?

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20K views 17 replies 9 participants last post by  black88coupe  
#1 ·
I know their use to be a company who made the fuel pump bracket with a -8 and -6 fitting for a stock style fuel pump, but they no longer make it. Who makes one, or what ways are you guys modifying yours to work. The bracket is to fit an Aeromotive 340 intank pump.
Thanks in advance!
 
#2 ·
The bracket is a bit different, but I just drilled two holes and used -6AN bulkhead fittings, and used one of the stock tubing pass-throughs as 'conduit' to run the wires out for the pump. And I believe the 'bracket' size on mine is even smaller than on the Stangs.

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#8 ·
A word of caution if you're contemplating running the hi-performance stainless braided or textile braided hoses out there. Most of them aren't SAE rated to deal with the fuels we get at the pump today. The fuel blends we use contain a variety of different hydrocarbons in trace amounts. Some of the molecules are so small that they can pass right through many rubber compounds as a gas. The result is not leaks per se -- but the smell of fuel in your garage as these small molecules pass right through the fuel line. If you research it you'll find LOTS of folks who've spent lots of money on fuel line only to be disappointed that their garage smells like gasoline all the time - and they can't find the "leak". Now you know what's happening.

Any line rated SAE30r9 (it will be stamped on the outside of the line) will manage this problem for you. SAE30r10 is rated to be submerged in your tank (connecting the pump to the hard line). If you don't have that rating - at some point (could take years) the hose will break down and you'll wonder what happened to your in-tank pump.

Supposedly the braided lines that have nylon or teflon based interior liners are ok. But if they're not SAE30r9 rated --- they may not perform the way you want. The safe approach is to plump it up with hard line - aluminum, steel, cunifer or stainless. It's more work - but it ain't gonna "leak".

I found out the hard way -- $100 worth of textile braid, 300 psig/300F Fragola Series 8000 "Pro" fuel line - 26' of it (supply and return). And the INSTANT I primed the pump the first time, within 15 minutes I was searching for leaks. I could smell fuel. System was dry as a bone - not so much as a drop of fuel anywhere. Gaseous vapors passing through the hose. Fragola would not return my calls. And I'd done too much work to pull them off and return them to Summit. I found that if I heatshrinked the lines with polyolefin heat shrink (for electrical wires) it eliminated about 95% of the problem. When I pull the Ford motor and put an LS3 under the hood, I'll re-plumb with hard line.
 
#9 · (Edited)
I welded a 8AN bung to the stock pickup. Used a 6AN bulkhead fitting for the return back to the tank. I figured the small stock return connection could cause the pump to dead head and give more problems. Check out my build thread for some pics.

http://forums.corral.net/forums/5-0-5-8-engine-tech/1322203-my-331-build-thread.html

I'm running E-85 in mine. So far, I've been able to drive some 55# injectors to 80% duty cycle without starving for fuel. With a good pump and Kenne Bell Boost A Pump, I don't know where the upper limit really is.
 
#10 ·
wow, great responses you guys! I think the best way to do it for me is the russel fittings. As far as line I am going to take what you say to heart Michael Yount and make sure whatever line I use has the approved ratings on them
 
#16 ·
I'm running SN-95 rails with a aftermarket stock style FP regulator.

At some point, the stock rails and thus the regulator will be a deadhead restriction, but probably while using a stock pickup, even if you have a 400 LPH pump in the hanger.
 
#17 ·
Highflow fuel will weld on any size connectors you want onto a stock fo or sn-95 hanger. I had them do -8 an -6 on an sn95 hanger for my fox. It works great. I also used to use fittings that went on the stock pick ups. The return works just like pictured above and the feed attached just like stock. I still have an extra set of those fittings. I should put them up in the for sale section.