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Old 01-08-2020, 10:46 AM   #1
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Ford lehman 12v Fuel pump

Anybody use a Walbro FRB 8 fuel pump on a 2715e?? Any other recommendations??
Thanks folks... About to order two...
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Old 01-08-2020, 01:52 PM   #2
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Are you planning to replace the mechanical lift pump or use it as a supplemental/priming pump?
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Old 01-08-2020, 02:04 PM   #3
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Supplement
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Old 01-08-2020, 03:20 PM   #4
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I have a Walbro plumbed in as a priming pump/emergency fuel pump. I don't remember what model number it is though.
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Old 01-08-2020, 04:20 PM   #5
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I do. And, I removed the mechanical pump from the engine. Works fine for me and I do not see any downside to doing so. If one fails, I will install the spare but the fact is they almost never do so. Plus, replacing the electric pump is far easier than replacing the on-engine mechanical pump and no worries about a failed pump diaphram pump diesel fuel into the crankcase and risking an engine failure. Plus, it's thhen much easier to prime filters. What's not to like?
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Anybody use a Walbro FRB 8 fuel pump on a 2715e?? Any other recommendations??
Thanks folks... About to order two...
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Old 01-08-2020, 04:57 PM   #6
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You're using the FRB 8? How did you wire it?? Do you have to turn the pump on seperately from starting the engine?? I'm pretty ignorant about electrical stuff...
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Old 01-08-2020, 08:38 PM   #7
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When you turn on the key, the fuel solenoid is powered. Easy.

In fact it’s great solution because the Ford pumps are cheap as dirt and the mounting point usually leaks oil.
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Old 01-08-2020, 10:12 PM   #8
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It is the frb8? For each engine right? Another guy was using the frb13 with 6 to 8 psi. The frb 8 has 8 to 11psi...
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Old 01-09-2020, 06:03 AM   #9
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If you use an electric pump is it necessary to remove and block off the mechanical pump? If you leave it on is it necessary to cap the in/out ports?
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Old 01-09-2020, 06:56 AM   #10
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Quote:
Originally Posted by jleonard View Post
I have a Walbro plumbed in as a priming pump/emergency fuel pump. I don't remember what model number it is though.


Your pump is the Walbro 6802, and it is out of production.
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Old 01-09-2020, 11:19 AM   #11
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Do you have a recommendation which walbro pump to use now?? Three week wait for the frb13...
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Old 01-09-2020, 11:49 AM   #12
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For the 120-135 you can use one of the low volume unitsClick image for larger version

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Old 01-09-2020, 11:59 AM   #13
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Frb 20 would be ok??
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Old 01-13-2020, 09:34 AM   #14
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If you remove the mechanical pump, a big block chevy block-off plate is a perfect fit. Be sure to use a gasket sealant such as Permatex #2. Thesexare available on many automotive websites, less than $10.
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If you use an electric pump is it necessary to remove and block off the mechanical pump? If you leave it on is it necessary to cap the in/out ports?
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Old 01-13-2020, 10:16 AM   #15
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I once had an electric pump to supplement the mechanical pump on a large gasser. It would fuel starve at high RPMs. I just added it in line before the mechanical. Worked fine.

Only problem was that the constant "TICK" drove me nuts at trolling speed. I put it on a switch so I could shut it down at low speeds.

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Old 01-13-2020, 06:38 PM   #16
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Quote:
Originally Posted by Bigfish View Post
Anybody use a Walbro FRB 8 fuel pump on a 2715e?? Any other recommendations??
Thanks folks... About to order two...
I just used a low pressure fuel pump from napa. It's worked great for that purpose.
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Old 01-13-2020, 07:43 PM   #17
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Any 12v fuel pump that's rated for diesel and has a flow rate of double your max usage will work fine. I have a 12v pump on all my diesels for filter changes and bleeding. Each will run an engine on its own. I buy the pumps on eBay, usually for less than $20 and haven't had one fail yet. They're cheap enough, buy two. Then you have a spare.
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Old 01-14-2020, 09:30 AM   #18
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Not sure what my max fuel usage rate is... Anybody know for 2715e??
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Old 01-14-2020, 09:34 AM   #19
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Greetings,
Mr. B. Our 2715 uses about 2 GPH. Lehman's return very little to the tank(s).
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Old 01-14-2020, 09:43 AM   #20
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Thanks!
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