Truckers, lets see your rigs! - Page 807 - Competition Diesel.Com

hotfarm1066 · 03-09-2018, 09:51 AM

Pic thread playing flat bedder.

biggy238 · 03-09-2018, 09:56 AM

Davco or tanks?

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jfaulkner · 03-09-2018, 10:18 AM

Quote:

Originally Posted by biggy238

Davco or tanks?

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Going to pull the valve cover and if the cam is junk it’s getting a cat. Owner said if it needs just a head he’s game but anything else it’s getting pulled.

BRE · 03-09-2018, 10:24 AM

Well, got a call back. Found several small things he’s buttoned up already.
He’s wants to redo the overhead and continue on his list of things to check.

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chevota84 · 03-09-2018, 11:42 AM

A list is good, means he didn't go in looking for anything specific and he'll recheck everything. It'll be interesting to see what he comes up with and if it fixed it

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BRE · 03-09-2018, 11:56 AM

Quote:

Originally Posted by chevota84

A list is good, means he didn't go in looking for anything specific and he'll recheck everything. It'll be interesting to see what he comes up with and if it fixed it

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Same thought I had. So far I’m pleased with his route. Actually diagnosing instead of throwing parts at it.

He found several smaller boost leaks. Was fixing those, and was heading to the overhead.

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biggy238 · 03-09-2018, 12:45 PM

Quote:

Originally Posted by jfaulkner

Going to pull the valve cover and if the cam is junk it’s getting a cat. Owner said if it needs just a head he’s game but anything else it’s getting pulled.

I don't doubt you, but what is it about these heads that is letting coolant go to tank, rather than the other way? I'm accustomed to the fuel being the higher pressure field, so it displaces the coolant.

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Rig Wrench · 03-09-2018, 06:18 PM

Where do these phukin things keep comin from

BRE · 03-09-2018, 07:38 PM

God some bad news pretty well. Everything he’d found, was stuff I’d specifically asked to be checked. Upon him running the over head, he found some more stuff. He scoped the cam and several lobes are showing wear that aren’t ideal. Said it’s fine right now, but it may come apart in 2 weeks, may last 2 years.
Said he wanted to go ahead and run the overhead how he likes them, and then was gonna start on a few other things.
He swapped in a known good transfer pump he had. Idle pressure is 85, with high idle around 110.
I’ll know more Monday some time. Until then, me and the freightliner gotta keep moving. It’s been getting 6-6.2mpg for me which is ok but, it’s a giant pile of chit that I can’t stand to drive.

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Rig Wrench · 03-09-2018, 07:48 PM

Maybe have allen tune it. Squeek out some more bsfc's

jfaulkner · 03-09-2018, 10:34 PM

Quote:

Originally Posted by Rig Wrench

Maybe have allen tune it. Squeek out some more bsfc's

No he’s like Leiffi, the rest of the world likes the 75mm Borg but he likes a 12mm turbo off a lawnmower.

biggy238 · 03-09-2018, 10:43 PM

All of the cams are dying. It's the motor oil.

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JWhite · 03-10-2018, 10:14 AM

Quote:

Originally Posted by biggy238

All of the cams are dying. It's the motor oil.

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While I agree that motor oil keeps changing for the worse, I doubt that's the issue

SmokinCAT · 03-10-2018, 11:34 AM

Why? They keep lowering zinc and phosphorus content in modern oils.

BRE · 03-10-2018, 12:19 PM

Quote:

Originally Posted by JWhite

While I agree that motor oil keeps changing for the worse, I doubt that's the issue

What’s your take on it?

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JWhite · 03-10-2018, 02:20 PM

Junk parts. Why would a roller cam need a lot of zinc? The oil still has good film strength.

biggy238 · 03-10-2018, 02:44 PM

Quote:

Originally Posted by JWhite

Junk parts. Why would a roller cam need a lot of zinc? The oil still has good film strength.

Make of it what you want. Engines that have run their entire lives on CJ4 are roaching cams with less than 1 million miles. Engines that predated the oil are seeing 1.2-1.5

I guess everyone changed their cam hardening process circumstantially as CJ4 was ushered in.

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JWhite · 03-10-2018, 03:08 PM

Well I guess you need to start running some higher zinc oil like Lucas mag then huh

Rig Wrench · 03-10-2018, 04:02 PM

Wide open in a 2250 cummins

allan5oh · 03-10-2018, 04:13 PM

Baloney it's not the oil it's the hardening process. Cummins had tons of issues years ago too.

My dads Volvo has 2.1 million miles on it zero issues with the cam. I bet there's tons of engines like that too. My detroit cam has 1.6 million on it with typical detroit wear that isn't an issue.

03-09-2018, 09:56 AM	#16122
biggy238 Name: biggy238 Title: Too Much Time Status: Not Here Join Date: Aug 2008 Location: Just North of Wrong Member`s Gallery Posts: 10,862	Davco or tanks? Sent from my XT1575 using Tapatalk __________________ Check out @bdmaximusworx 05.5 Campanella White TDi Jetta 5spd 45.5MPG -Little Sexy '10 Silver F250 CCLB 4X4 6.4L cummins Swapped Insta @trash.panda250

03-09-2018, 11:42 AM	#16125
chevota84 Name: chevota84 Title: Too Much Time Status: Not Here Join Date: Jul 2009 Location: Prineville, OR Member`s Gallery Posts: 4,926	A list is good, means he didn't go in looking for anything specific and he'll recheck everything. It'll be interesting to see what he comes up with and if it fixed it Sent from my SM-G930V using Tapatalk __________________ 99 Dodge 2500 with stuff

03-09-2018, 10:43 PM	#16132
biggy238 Name: biggy238 Title: Too Much Time Status: Not Here Join Date: Aug 2008 Location: Just North of Wrong Member`s Gallery Posts: 10,862	All of the cams are dying. It's the motor oil. Sent from my XT1575 using Tapatalk __________________ Check out @bdmaximusworx 05.5 Campanella White TDi Jetta 5spd 45.5MPG -Little Sexy '10 Silver F250 CCLB 4X4 6.4L cummins Swapped Insta @trash.panda250

03-10-2018, 02:20 PM	#16136
JWhite Name: JWhite Title: Trained monkey Status: Not Here Join Date: Aug 2009 Location: F Burg Ohio Member`s Gallery Posts: 1,817	Junk parts. Why would a roller cam need a lot of zinc? The oil still has good film strength. __________________ GMC with a LiLLY

03-10-2018, 03:08 PM	#16138
JWhite Name: JWhite Title: Trained monkey Status: Not Here Join Date: Aug 2009 Location: F Burg Ohio Member`s Gallery Posts: 1,817	Well I guess you need to start running some higher zinc oil like Lucas mag then huh __________________ GMC with a LiLLY

03-09-2018, 07:48 PM	#16130
Rig Wrench Name: Rig Wrench Title: Wannabe Tech Status: Not Here Join Date: Jan 2016 Location: In the ditch Member`s Gallery Posts: 1,045	Maybe have allen tune it. Squeek out some more bsfc's

03-10-2018, 11:34 AM	#16134
SmokinCAT Name: SmokinCAT Title: Cheap and Easy. Status: Not Here Join Date: Sep 2008 Location: Hillsboro, Oh Member`s Gallery Posts: 3,162	Why? They keep lowering zinc and phosphorus content in modern oils.

03-10-2018, 04:13 PM	#16140
allan5oh Name: allan5oh Title: Too Much Time Status: Not Here Join Date: Oct 2012 Member`s Gallery Posts: 1,106	Baloney it's not the oil it's the hardening process. Cummins had tons of issues years ago too. My dads Volvo has 2.1 million miles on it zero issues with the cam. I bet there's tons of engines like that too. My detroit cam has 1.6 million on it with typical detroit wear that isn't an issue. __________________ All of your BSFCs are belong to me