copper & iron
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Fleet Owner
Joined: Aug 2004
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From: AZ
copper & iron
I'm starting to get real concerned! The last three oil changes I've done the lab results indicate high copper & iron. I been using Rotella synthetic but just changed to Schaeffer 15w40 to see what the next test will be. I ran the last oil for 7,000 and with my FS2500, I figured I could. I think I'm figuring wrong or something else is going on. If I'm wearing my bearing and cylinders, how can you tell when its gone to far? I suppose the obvious oil burning poor running motor. I know I work the crap out of my motor pulling heavy loads but I'm hoping its not to late. That's why the switch to Schaeffer's. Any thoughts on this?? I now have 168,000 miles.
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From: North East Ohio
Bearings are lead. I run Amsoil and sent my first test in at 10k miles, and results were all well below spec except the lead was 6 times what it should have been. They said that much lead is bearing wear, but the way everything else was it could have been a fluke, piece of something in the sample. Not sure what copper and iron indicate, but it's not bearings. I changed my oil and will send in another test at 5k miles this time and see what it says.
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From: West Texas
Bearings have copper in them too. They are multi layered of several different metals. Lead is only a tiny part of them. It's actually babbit anyway. It's an alloy of lead, tin and something else.
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From: Levittown
Glenn
Did the rise start after the change of the pump?
What is peak boost now?
With the change of the pump i would expect the
turbo to work harded than it did in the past.
Could be a reason for what you see.
Give a quick check on the thrust and side play
of the turbo shaft.
It could be just bedding in, or could be nearing a rebuild.
Other thought is the pump itself could be breaking in.
Bill
Did the rise start after the change of the pump?
What is peak boost now?
With the change of the pump i would expect the
turbo to work harded than it did in the past.
Could be a reason for what you see.
Give a quick check on the thrust and side play
of the turbo shaft.
It could be just bedding in, or could be nearing a rebuild.
Other thought is the pump itself could be breaking in.
Bill
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Fleet Owner
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From: AZ
Thanks DXL JIM & RRanch, I will also check this new batch in 5K. Bill, it was high before the adrenaline, that didn't seem to make a difference. I would think that pump is broken it, its been at least 10K now. I can peak boost at 30psi and I will check the thrust and side play.
Postmaster
Joined: Feb 2004
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From: Levittown
30 is safe.
It just in oem form the turbo only will see 13 to 15 max.
I had a spike in the oil also. Turbo looked good.
I rebuilt it anyway. The next sample the spike dropped.
Bill
It just in oem form the turbo only will see 13 to 15 max.
I had a spike in the oil also. Turbo looked good.
I rebuilt it anyway. The next sample the spike dropped.
Bill
Hotshot
Joined: Jul 2008
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From: Thomasville, GA
I've seen some guys with stock turbo hitting 21 psi. Mainly towing heavy and running up a hill though.
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Postmaster
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From: Levittown
"Stock Truck". 21 can be an issue with the egt.
Around 24 it will code.
From sig it looks that glenn has a 1.00A/R and BB inj's
in his truck. Its added stress on the oem turbo.
Bill
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Fleet Owner
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From: AZ
Bill, Bill, what would I do without you? I HAVE PLAY IN THE TURBO. Just because I checked it a million miles ago I fugured it was good, not. Looks like I'm pulling the turbo. Rebuild or D66, that is the next question. What do you guys think, would the D66 with my mods do any good? Or should I say any better then rebuilding the stock turbo? Who is good at rebuilding the turbo's? There is a thread going now about turbo's that said 1's are OK but 2's are to much for the D66. I have only the baby beans, what do you think? When Bean did my injectors they work great but seems to me to be more then 130 injectors because I can lay down a smoke screen if I want. Thanks a lot, Glenn
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Fleet Owner
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From: AZ
Bill, above 24, if it codes will it be a soft code. And what's this about the map sensor?
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From: North East Ohio
Main reason I got away from the TW stuff, too much smoke and high EGT's.
Maybe he's changed things in the past couple years, though, but I still say tuning will do that.
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'96 7.3 F-350 Reg Cab 4x4 - bought new.
'04 6.0 E-350 custom 4x4
'08 6.4 F-550 Reg Cab 6 spd 4x4
'17 6.7 F-250 KR ccsb 4x4
'96 7.3 F-350 Reg Cab 4x4 - bought new.
'04 6.0 E-350 custom 4x4
'08 6.4 F-550 Reg Cab 6 spd 4x4
'17 6.7 F-250 KR ccsb 4x4
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Fleet Owner
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From: AZ
Jim, I think he has gotten away from that in my heavy tow mode. When I'm pulling a mountain grade I'm surprised at how much the egt's are controlled. In some other modes I can smoke alot. I would love to have a live tune done. Any opinions on the D66 with my mods???
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Fleet Owner
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From: AZ
Thanks for the reply Tim. Stock housing would be better because?? If I had to guess its because of egt's?? Wouldn't there be more turbo lag? Because now that I've got the slack in my turbo, its a good excuse to get the D66.
Post Fiend
Joined: Apr 2004
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From: Silver Lake Dunes, MI
The 1.0 housing does cause higher EGT's due to the higher exhuast back pressure. The higher back pressure is also part of the reason you have slack in your turbo if its in and out play in the shaft. The higher back pressure places more stress on the thrust bearing which is the bearing that goes out most commonly on a modified truck. The stock housing is more free flowing and with the D66 which has a faster spool up anyway you won't notice any increase in turbo lag. I was running a 1.0 housing when I blew my turbo and I firmly beleive it was part of the reason my thrust bearing died.