HPX pictures?

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Aug 19, 2009 | 12:47 PM

#16

79f-250custom

Posting Guru

Joined: Oct 2005

Posts: 1,305

Likes: 0

From: Wisconsin

ooooooooo i c now you remove the plugs in the head... if i wen to a hardware store and bought some fittings and some steel line could you make this yourself?
thanks guys
Mitch

Aug 19, 2009 | 02:01 PM

#17

RÖENTGEEP

FOREIGN GURU

Joined: Jul 2006

Posts: 7,655

Likes: 7

From: Celaya, Gto. MX

Quote:

Originally Posted by Brown Falcon

Is there much of a difference between the hard line and the braided line? They both do the same thing. Is one better than the other?

I can't complain about the price I paid for mine though...

Well teoretically is better the braided line, because the intention of the line is to ensure that the high pressure oil rails receive the same amount of high-pressure and according to Dale (Tymar) is better if you connect the rails in the posterior plug of each rail (7 to 8), but as it that almost impossible because the tubro and the intake hose, so you have to connect the line in the next one plug (5 pass side to 6 in drivers side), and with the hard line it goes from 5 to 4, and the other advantage is that you take out the 90* stock fitting connector from the orginal drivers line in #6 plug, and the oil flow better through a straigth connector (which comes with the kit) that you move to plug #4.

Quote:

Originally Posted by wildstang

I think with the braided line it is recommended to replace every few years, the hard line is probably just watch for rust holes.

Also acording to Dale and others, the braided line is made with the same material than the stock oil lines, and till I know, nobody recommend to replace them every few days, most of our OLDER PSD has the originals.

Quote:

Originally Posted by 79f-250custom

ooooooooo i c now you remove the plugs in the head... if i wen to a hardware store and bought some fittings and some steel line could you make this yourself?
thanks guys
Mitch

I wont recommend to do yourself, because the high oil pressure there could be VERY DANGEROUS.

and the price of the aftermaket lines are not expensive

Aug 19, 2009 | 02:27 PM

#18

Neal 97 250

Post Fiend

Joined: Mar 2007

Posts: 9,010

Likes: 5

From: Johnson City, TN.

the fittings are hard to find. O-ring to flare or vibration style fittings.
Riffraff Diesel has some absolutely awesome flexible ones. They are extremely high pressure rated and wrapped in a very high heat fire proof sleve. Top notch IMO.

Aug 19, 2009 | 03:01 PM

#19

Brown Falcon

Thread Starter

Hotshot

Joined: Jul 2008

Posts: 11,231

Likes: 130

From: Thomasville, GA

Quote:

Originally Posted by BlueMule

I just noticed you still have the red intake boot going to the turbo. Have you checked it lately? Most of them were replaced long ago because they didn't last. Take a look at the area where it clamps to the turbo. They usually rot and crack on the bottom and let unfiltered air into the turbo.

Where can I get a new intake boot? And how much are they?

Aug 19, 2009 | 03:17 PM

#20

RÖENTGEEP

FOREIGN GURU

Joined: Jul 2006

Posts: 7,655

Likes: 7

From: Celaya, Gto. MX

Quote:

Originally Posted by Brown Falcon

Where can I get a new intake boot? And how much are they?

Buy this one, is the chepeast I have found and direct fit to change the orange boot.

http://intakehoses.com/Merchant2/mer...egory_Code=FPM

But if you are going to make the CCV mode buy the black one.

Aug 19, 2009 | 09:18 PM

#21

wildstang

VT Chapter Ldr

Joined: Apr 2004

Posts: 96,116

Likes: 294

From: Orange, Vermont

I know I have read it somewhere, but maybe it was referencing a rubber hose.

Aug 20, 2009 | 01:15 AM

#22

kupiec20

Fleet Mechanic

Joined: Nov 2007

Posts: 1,263

Likes: 11

From: DARTMOUTH MA

now what does this mod do again?

Aug 20, 2009 | 07:58 AM

#23

Brown Falcon

Thread Starter

Hotshot

Joined: Jul 2008

Posts: 11,231

Likes: 130

From: Thomasville, GA

The HPX basically equalizes the High Pressure Oil between the two heads. Supposed to smooth it out a little, let all the injectors fire better. What I was told is that the #7 cylinder especially tends to get less oil.

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Aug 20, 2009 | 02:36 PM

#24

BlueMule

Posting Guru

Joined: Nov 2001

Posts: 1,743

Likes: 2

From: Ft Scott

Quote:

Originally Posted by Brown Falcon

What I was told is that the #7 cylinder especially tends to get less oil.

That would be #8.

The firing order is 1-2-7-3-4-5-6-8. Because 6 & 8 are both on the same side 6 uses the oil pressure and then 8 fires before the pressure has time to recover, with the crossover line some of the pressure bleeds over from the other head to assure that 8 has as much pressure as possible.

The problem with the #7 injector was on the souperdooty trucks with their dead head fuel systems. The #7 would get shortchanged on fuel and would "cackle"