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Old 03-01-2013, 08:35 PM   #221
TTR 21
 
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This should answer the above question.


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Originally Posted by TTR 21 View Post
I'm running my setup a little different since ill be driving it to every event. Titanium will feed main port on injection pump and be controlled with boost compensated regulator. HPFP will feed front port on injection pump and be controlled the same way but only be used when I'm at the track. HPFP powered by a switch in cab.
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Budget Beater: 9.36 @ 148 MPH

 
Old 03-01-2013, 09:10 PM   #222
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Quote:
Originally Posted by TTR 21 View Post
This should answer the above question.
Is the titanium an air dog product?
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2000 p-pump 24v

1990 d250 12v
 
Old 03-01-2013, 09:16 PM   #223
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Both pumps are FASS!
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Old 03-02-2013, 04:35 PM   #224
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Both pumps are FASS!
Don't run any fass or pureflow products so I wasn't up to date on either. Es mi malo senior.
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2000 p-pump 24v

1990 d250 12v
 
Old 03-07-2013, 02:05 PM   #225
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filter on HPFP ?
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95 12V farm truck with a couple stickers
 
Old 03-07-2013, 02:50 PM   #226
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Originally Posted by Lance@Alligator View Post
filter on HPFP ?
running an inline filter from tank to HPFP. Not to concerned since it will only be run at track and Titanium will be filtering constantly.
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Old 03-07-2013, 05:18 PM   #227
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well, and its a p-pump....
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95 12V farm truck with a couple stickers
 
Old 03-07-2013, 08:11 PM   #228
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So you will be circumventing the internal ball and spring regulated returns from the pumps to the filler neck? Along with removing the OFV from the P7100 and running two separate external regulators after the P7100?

Are you running two separate draw straws, two sumps or a combination of both?

Last edited by Moparmatty; 03-07-2013 at 08:15 PM.
 
Old 03-08-2013, 02:07 AM   #229
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Quote:
Originally Posted by Moparmatty View Post
So you will be circumventing the internal ball and spring regulated returns from the pumps to the filler neck? Along with removing the OFV from the P7100 and running two separate external regulators after the P7100?

Are you running two separate draw straws, two sumps or a combination of both?
I have a fuel cell with two feed ports. One for each pump. Two returns as well. One for the titanium and one off the OFV and injector return.
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Old 03-08-2013, 09:20 AM   #230
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AND a fuel cell ? ?

geeez i dont know if i even want to finish mine now, its gonna look all hacked and cobbled
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95 12V farm truck with a couple stickers
 
Old 03-08-2013, 08:26 PM   #231
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Go Big or Go Home Lance. Step it up big guy.
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Old 03-08-2013, 08:40 PM   #232
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How are you plumbing in the regulators?
 
Old 03-08-2013, 08:51 PM   #233
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HPFP has built in boost compensated regulator and Titanium I have a separate boost compensated regulator. Going to set them up to have same amount of pressure and flow to equalize each port being fed. Will also use a standard regulator as an OFV.
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Old 03-08-2013, 09:01 PM   #234
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Would it not be possible to just use the regulator/OFV and leave out regulators on the supply pumps? Wouldn't the lone regulator/OFV work to regulate psi from the supply pumps? That would give maximum flow to the injection pump.

That's basically how the factory lift pump and OFV work.

Perhaps I'm thinking wrong here.
 
Old 03-08-2013, 09:08 PM   #235
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I'll be feeding the side port with the titanium and the front port with the HPFP so I have toile them as equal as possible. Overflow side will be 3/8" line from pump to tank. I'll have about 250gph feeding my pump at the track.
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Old 03-08-2013, 09:14 PM   #236
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But why have the supply pumps regulated as well as the return out of the P7100?

I'm not trying to be a dink. Just trying to understand the theory behind the way we fuel these things.

Why couldn't I block of the return built into the Titanium on my VP44 truck, replace the OFV on the VP44 with an actual fuel regulator and return to the tank from the regulator? Making sure the injector return on the back of the head was plumbed into the return after the regulator?
 
Old 03-08-2013, 09:21 PM   #237
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The OFV is going to control how much fuel pressure I build in the injection pump itself.

I'm running the fuel pumps in parralel, each with their own feed port on the injection pump so im regulating the fuel pumps so I have equal amounts of pressure and flow feeding each port.

Hope that helps
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Old 03-09-2013, 12:27 PM   #238
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what OFV you gonna run and how much PSI ?? only reason i ask is i spent almost 2yrs dealing with fuel pressure issues

mine is all fixed now, but i could see where you might be headed down the same road i did
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95 12V farm truck with a couple stickers

Last edited by DieselLance; 03-09-2013 at 12:29 PM.
 
Old 03-09-2013, 12:43 PM   #239
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Going to run an adjustable regulator as the OFV so I can run any psi I want. Going to start at about 70 psi and see where that takes me.
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Old 03-09-2013, 12:52 PM   #240
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Quote:
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Going to run an adjustable regulator as the OFV so I can run any psi I want. Going to start at about 70 psi and see where that takes me.
Exactly what you want. To regulate the pressure in the injection pump. The factory OFV is nothing more than a regulator.

What I can't get my head around is why we have to regulate the fuel pressure before it enters the injection pump (regulators in the supply pumps) and regulate the fuel pressure inside the injection pump (OFV).

I must be thick headed.
 
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