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Oct 30, 2010 | 03:04 PM

#16

Deluxe06

4000 rounds a min

Joined: Apr 2010

Posts: 2,223

Likes: 0

From: Albemarle NC

Quote:

Originally Posted by 7.3bo-ti-etr

Would you have a link on a "how to" for those mods

FRx from RiffRaff, it's all ready shimed if I remember right.
Dang got the wrong line, Meant to quote #12

Oct 30, 2010 | 09:36 PM

#17

BullyDogJason

Former Vendor

Joined: Aug 2010

Posts: 269

Likes: 1

From: Chubbuck, Idaho

it does sound truck related to me.... but what version is your GT running at?

Nov 6, 2010 | 05:54 PM

#18

7.3bo-ti-etr

Thread Starter

Senior User

Joined: Jan 2010

Posts: 240

Likes: 0

From: blue springs Missouri

Ok and I've done the hutch and harpoon mods still having the same problem. I'm going to try cleaning the ebpv tube and change the uvch. Does any one know of a set of used injectors or even a set of stage 1 injectors for sale.

Nov 6, 2010 | 08:09 PM

#19

PaysonPSD

Post Fiend

Joined: Nov 2007

Posts: 9,549

Likes: 14

From: Payson, AZ

Quote:

Originally Posted by 7.3bo-ti-etr

I thought about buying a upgrade spring for the regulator. Any suggestions.

I went with this Billet FPR Housing from Dieselorings.com. An extremely high quality product. I used the black spring, which is the strongest. Fuel pressure at idle was 69 to 70 psi. When installing I noticed the FPR poppet valve seal was worn out. So I got an FPR rebuild kit. The poppet valve seal is special made and an o-ring will not work. FPR Rebuild Kit also available from Dieselorings.com. Now fuel pressure is between 74 and 75 psi at idle and doesn't drop below 65 at WOT. I do have a Walbro GLS 392 fuel pump though.

Edit : Before doing any shimmig or spring replacing in the FPR you need a fuel pressure gauge. I managed to get the weakest spring cocked when installing and the fuel pressure pegged my 100 psi fuel guage. Without a gauge I would have not known.

Nov 6, 2010 | 08:31 PM

#20

7.3bo-ti-etr

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Joined: Jan 2010

Posts: 240

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From: blue springs Missouri

The ebpv seams to be working fine whoosing at first start up idle and gone at the tap of the brake. Ahhh I'm stumped

Nov 6, 2010 | 11:00 PM

#21

Visseroth

Posting Guru

Joined: Apr 2009

Posts: 2,447

Likes: 1

From: Northern Idaho

weak HPOP maybe?
You need to check your HPOP pressure and fuel rail pressure.

Nov 7, 2010 | 08:34 AM

#22

HD Rider

Cargo Master

Joined: Aug 2009

Posts: 2,137

Likes: 13

From: Glendive, MT

Quote:

Originally Posted by 7.3bo-ti-etr

Would you have a link on a "how to" for those mods

Here is a lot of helpful information.
Roadside Help Network - Guides, Maintenance & Mods
The Hutch/Harpoon intank mods are a ways down on the list.

Nov 7, 2010 | 11:12 PM

#23

7.3bo-ti-etr

Thread Starter

Senior User

Joined: Jan 2010

Posts: 240

Likes: 0

From: blue springs Missouri

Ok so I'm going to pick up a snap on diagnostic box tomorrow going to do a buzz test, contribution test, glow plug and what else should I do

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Nov 8, 2010 | 01:39 AM

#24

Visseroth

Posting Guru

Joined: Apr 2009

Posts: 2,447

Likes: 1

From: Northern Idaho

cylinder contribution if you can.

Nov 8, 2010 | 09:24 AM

#25

7.3bo-ti-etr

Thread Starter

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Joined: Jan 2010

Posts: 240

Likes: 0

From: blue springs Missouri

Ok done and on the CC test I got a p0284 code cylinder 8

Nov 8, 2010 | 11:10 AM

#26

7.3bo-ti-etr

Thread Starter

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Joined: Jan 2010

Posts: 240

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From: blue springs Missouri

Pulled the valve cover all wires look good and connection

Nov 8, 2010 | 11:16 AM

#27

7.3bo-ti-etr

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Joined: Jan 2010

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From: blue springs Missouri

Just got a code off my bully dog and its showing p1670 voltage more than 33

Nov 8, 2010 | 10:51 PM

#28

7.3bo-ti-etr

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From: blue springs Missouri

Any good way to clean the injectors

Nov 9, 2010 | 06:20 AM

#29

Visseroth

Posting Guru

Joined: Apr 2009

Posts: 2,447

Likes: 1

From: Northern Idaho

Some people drain the fuel bowl then fill it with seafoam and do that on each oil change.
You could pull the injectors and rebuild them.

Have you checked to see what your fuel pressure and HPOP pressures are?