Fueling & Injection Fuel Pumps | Injectors | Rails | Regulators | Tanks

DIY TRIPLE PUMPS on the quick and cheap

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Old 06-20-2013, 08:40 PM
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Hello, you finished your fuel system?
Old 06-20-2013, 09:10 PM
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here's the rest of the job

avk threaded inserts may be a newb move so please excuse the butchery

Oakley Sunglasses


Old 07-24-2013, 08:40 AM
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rest of the fuel system build from years ago; sorry for the delay lol.









Old 07-24-2013, 01:04 PM
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So MM, you fed into the passenger rear, crossed over in the front, then out the back of the driver's side rail and into the regulator, is that correct? I've read some people like to split with a 'y' in the engine bay, then into the back of each rail, then back together at the front and into the regulator.

So which way is the correct way?
Old 07-24-2013, 01:58 PM
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both work fine, one cost another 100 bux and looks worse
Old 09-18-2013, 01:08 AM
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Awesome write up this is my next on the list.Now my ls1 cam , T trim approx 8 pound on e85 would I be able to use the standard 3/8 fitting coming of the top of the fuel pump assembly then use -8 line to the reg then use feed as return.Would this be fine with running x2 GSS340.? Or should I use a y block with dash 8 bulkhead fitting as mightymouse did his? Oh it should make around 500-550 rwhp.Cheers
Old 09-18-2013, 08:00 AM
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if you are going to use the stock line out of the sending unit, i really dont see need for anything over -6. will be way way more than adequate for 550rwhp but may be good to run -8 if you upgrade to a bulkhead fitting in the future and more hp.
Old 09-18-2013, 02:37 PM
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Yes while the pump assembly is out I may as well do the bulkhead and -8 and be done.thanks mightymouse
Old 09-21-2013, 07:04 PM
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Great setup i use Hobbs pressure switch when boost kicks in it turns the third pump. I was having issues getting tank lid to seal and dealing with fumes for few days before got that sorted
Old 12-19-2013, 10:48 AM
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Can I turn on the 2 and 3rd pump on with the same Hobbs switch just one is needed correct?
Old 12-19-2013, 11:54 AM
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yes can't think of a reason you would want the third to come on a separate time from the second.
Old 12-23-2013, 06:28 PM
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Very nice info thanks
Old 04-09-2014, 01:52 AM
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Whats the website for that 3 way alum manifold? google'd it and didn't see it anywhere.


Originally Posted by 4bangermustang
well just pulled the trigger on some parts. going to start mine soon here.


Also doing the 3 pump's with a -10 setup all going into a 99 stock tank. Will not cut the sides at all, will prob just drill another hole or two in the bottom.

Part #'s for anyone doing this:

Jeg's -10 fuel filter: 555-150006 $79.99
Anodized Straight -10AN Female to 1/2" NPT Male Swivel Coupler : 555-100338 $9.99
-10AN Black Bulkhead Nut: 555-110294 $2.99
-10AN Black Flare Bulkhead 90° Fitting: 555-110264 $14.99
-Walbro GSS340 $74.99 (Pump only, better off getting one with the filter and wiring harness :/)
- McMaster Carr - Three-way aluminium manifold for air. 1/2" 5465K73 $9.14
- McMaster Carr - 10 pack 5/16" barb fittings 5346K16 $12.86 (they sell them in singles, but they were like $2 each i think and will end up giving some to a friend or two.)


Ordered everything but the Mcmaster Carr stuff right off Amazon.


Already have a racetronix pump setup, so that's 1 pump. A buddy gave me a brand new gss340, so I only needed to order 1.


Still need to order line and a regulator


I will prob use a Aeromotive 13110 Pro-Series EFI Regulator

That is the only one that I really found that a lot of LS1's guys are using and also has a -10 inlet.


Brian
Old 04-09-2014, 07:55 AM
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http://www.ebay.com/itm/Aluminum-Dome-Manifold-3-Way-Adaptor-1-2-Inch-x-1-4-Inch-Female-NPT-FPM84A-/370998379688?pt=LH_DefaultDomain_0&hash=item56613a04a8
Old 04-09-2014, 01:03 PM
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Just a FYI...harbor freight has a coupler like this. They have it where all the air fitting are. They use it to add more female adapters on a air line. Might wanna check it out.
Old 04-09-2014, 09:32 PM
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Originally Posted by Bigtoyz
Whats the website for that 3 way alum manifold? google'd it and didn't see it anywhere.

http://www.mcmaster.com/#catalog/120/241/=rgwfv5
Old 04-10-2014, 02:43 AM
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Thx guys appreciate it!
Old 04-15-2014, 03:46 PM
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Have any of you looked Into the new walbro turbine pumps like F90000267. 450lph. Same size as the 255lph except for the last inch
Old 04-15-2014, 06:43 PM
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Yes they are much wider at the base they do work great but I think it would be very difficult to install two and impossible to install 3

mightymousesolutions.com
Old 04-15-2014, 07:55 PM
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If you're going to cut open the bucket then why bother trying to put them in there anyway. My second pump on the GTO was just clamped to the side. One will fit in the bucket like oem and the other can go anywhere.


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