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Compression test - dead piston or head gasket issue?
A leak down test would tell the story. Sent from my SM-G990U2 using Tapatalk -
Compression test - dead piston or head gasket issue?
What were the original concerns, the reason you're compression testing? Sent from my SM-G990U2 using Tapatalk -
LML Knock and 150 psi
Cylinder walls are fine except for the pics I took. Head is beat up but should be fine. I agree that a chunk of the piston broke out, and did the rest of the damage we see until it made its way out exhaust valve. Sent from my SM-G990U2 using Tapatalk -
Well there goes my chances of 9s this year
Good deal Sent from my SM-G990U2 using Tapatalk- ikeG
- Post #80
- Forum: Duramax Engine Building
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LML Knock and 150 psi
Got a lml in that makes a knocking noise. Balance rate on cyl 7 was 10. Had codes for that and cyl 6 injection timing. Compression test showed 150 psi on 7 and good on all the others. Could see piston top damage with borescope. Tore it down today to find this. Sent from my SM-G990U2 using Tapatalk -
CP4 Disasterz
Has anyone ever seen debris in the tank? I have yet to find any in the tank itself. Sent from my SM-G990U2 using Tapatalk -
CP4 Disasterz
Show of hands, how many have found debris anywhere except fca cavity? In the rails, injectors or tank? Anyone? I don't think I have yet...... Sent from my SM-G990U2 using Tapatalk -
Injector Hold Downs?
LLY and later do have a covex under the bolt/nut head. Both stock and arp Sent from my SM-G990U2 using Tapatalk- ikeG
- Post #45
- Forum: Duramax Engine Building
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Camshaft Interchangable?
I have a wagler stg 1 here but am now ready to install it. Maybe next time Sent from my SM-G990U2 using Tapatalk- ikeG
- Post #19
- Forum: Duramax Engine Building
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Camshaft Interchangable?
How quick would the turnaround be, if a guy sent one? Sent from my SM-G990U2 using Tapatalk- ikeG
- Post #16
- Forum: Duramax Engine Building
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Danville Stg2r Drive Pressure vs RPM's
P&R engine in greensburg does piles of duramax, from stock to big power. Sent from my SM-G990U2 using Tapatalk- ikeG
- Post #11
- Forum: Turbo Talk
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Danville Stg2r Drive Pressure vs RPM's
The cam isn't going to "give" you more rpm as much as it's going to enable the engine to make better power at higher rpms. It will make it more efficiently move air, which actually could lower your drive pressure at a given rpm. Sent from my SM-G990U2 using Tapatalk- ikeG
- Post #2
- Forum: Turbo Talk
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LML Rebuild - Crank No Start
That hose is extremely tight fitment but its just a barb. You can slice it to remove it. Even if you reuse that line, there's more than enough line to get it to reconnect. Sent from my SM-G960U1 using Tapatalk- ikeG
- Post #16
- Forum: Duramax Engine Building
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2015 duramax lml
I've had to replace the pins in that connector, they go bad and are hard to duplicate the issue when diagnosing Sent from my SM-G960U1 using Tapatalk -
Failed LBZ oil pump
You could have wagler or dhd pin it if they are willing to. Sent from my SM-G960U1 using Tapatalk- ikeG
- Post #30
- Forum: Duramax Engine Building
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Can someone confirm cam lobe order for me?
Forward most lobe is for cyl 1 intake valves. Sent from my SM-G960U1 using Tapatalk- ikeG
- Post #2
- Forum: Duramax Engine Building
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Drive pressure leak
Possibly leaking at the downpipe flange, above the soot you are seeing. Sent from my SM-G960U1 using Tapatalk -
Lb7 current 67mm drop in vs s400
You're probably not going to notice the difference in spool that a ball bearing cartridge would make. However, if budget is no concern or you are the type of guy to not sacrifice anything, go for it. A lot of that type stuff is subjective, meaning if it feels like it makes a difference in your...- ikeG
- Post #6
- Forum: Turbo Talk
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Lbz Broken crank
Most of the time they do spin one. Hardly ever have to scrap the block though. I can only remember 3, maybe 4 that were bad from the spun bearing. And these 2 take the cake, cracking like that. If you are buying a core engine, its far safer to purchase one that has a bad piston instead of a... -
Lbz Broken crank
Last 2 cores we've torn down had the main bore cracked where the broken crank spun the bearing. These pics are 2 different blocks. The cracks and markings are darn near identical. It's also been a toss up on where the cranks are breaking, front or rear. Mostly lmls coming thru these days...