Everything About The 12 Valve Cummins Mechanical Lift Pump! How it works, what fails, + HOT RODDING!
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- เผยแพร่เมื่อ 10 ก.ค. 2024
- Lets dive into the 12 valve mechanical lift pump, a simple part that can do so much more than it was originally built for! Much like the rest of the engine, it doesn't take much to unleash the true potential
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Really great video! Best breakdown of these pumps I've seen. Appreciate the content. 👍
Great video learned alot
Glad to hear it!
great video, thanks for posting this. very informative.
Awesome video, I have a box of those lying around that I’ll have to dig into!
Time to make some hotrod lift pumps and crank up your truck!
👍👍👍👍... thank you for the video feller 👊
Any time!
Thanks for all the info., subscribed. Just a suggestion - part numbers for the 'hot-rod' parts would help your followers. Thank you.
The oddball lift pump looks identical to the one on my 93 p-pump 5.9isb
When you remove the pressure relief valve and replace with the bolt and cut the head off you dont seal that with anything? Or maybe i missed something 😆 like usual
Someone gave me a brand new mechanical pump a few weeks ago. I might do this mod before I install it.
Hell yeah! May as well if you got it!
Where do you find the larger appropriate size plunger/piston? (30mm)
I think it’s just luck of the draw, you may have better luck with a higher quality brand lift pump than a cheap one as far as finding the 30mm plunger goes (like a carter pump)
I have been told that the Carter pump is not available & that Cummins sells you a Chinese pump as a replacement. I would like to replace the mounting bolts with a stud kit.
Buy a power driven diesel lift pump
That is true I was having problems with about four lifts pumps I went through through O'Reilly's and also one through AutoZone they were all similar alike Chinese brand the original one was made in Sweden or Switzerland I believe it was on the truck that was OEM I could not find the original one lower parts to rebuild it I was going to set up a fass fuel system but it was going to set me back about 8 to 900 so I left it alone and wind up getting lucky with the last one I got through O'Reilly's and it's been working ever since there's really not that much difference one difference compared to the OEM that was on this truck originally and never was changed from 1996 was the part that was made in Switzerland it was o e was the plastic on top of where the plunger is that you pump with your finger was made out of aluminum where are all the aftermarket ones even the ones from Cummins are all Chinese Japanese made knockoffs made with plastic
Don’t you need two gaskets one either side of that fuel heater spacer?
@@themechanicman3865raptor kit is 5 tops and comes with the whole new fuel loop
No also would you have to change injectors when you do this hence the injector is going to be getting a lot more fuel through the spray nozzle than what it is supposed to be getting and is the delivery valves in a p7100 pump have to also be changed to keep up with a pumping capacity to a stock OEM setup or can you leave them two things OEM and just drill the holes and this one will work fine the way that you're doing it
No VE pump mods??
To be honest, I’ve never touched a VE engine. I’ve had first gens, but I just left them as is so my experience in hotrodding them is limited at the moment. I am actively looking for a nice D250 or W250 single cab for a parts runner daily tho, so expect something in the future!
Ve don’t need a lift pump
@@fastinradfordable you must be thinking about vp44 pumps ? VE pumps were the first pumps on a Cummins
The lift pump for the VE is pretty dinky. I'm actually gonna swap mine out for that LPHV pump. Nice video brother.
I was going to say VE pumps are 15 psi I thought not those high numbers he says