i dont see it on there web site is that what you are running
turbo upgrades?
- Thread starter WhiteSport600
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i dont see it on there web site is that what you are running
He has a 66/71/14, with a custom external wastgate. It spools as fast, if not faster than a VGT though
You would still need a second gen manifold, different down pipe, different coolant lines, and I think I saw somewhere the harness is different or something. Fleece could hook you up tho. You would also need a blank manifold you could drill and tap cause the holes on the exhaust housing wouldn't match up.
dodgeram082500
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I agree with this
dodgeram082500
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How much/ how often do you tow
rbmedic75
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Curious as to why the EB is harmful to the Headgasket. BIG rigs have been runnign exhasut brakes for ever with 80K plus and not had headgasket failure issues. If we are referring to the DP created by the EB remember that those drive pressures are during 0% throttle which means there is very little fueling (idle) low EGTS and cylinder pressures are ata minimum so the 70 lbs of added DP is nill during these times
Brake on a big rig, isn't in the turbo. It's mechanically different. If you are in the middle of detonation in the cyl, while the veins are closing in the turbo, and restricting all that pressure. Bing batt a boom, ARP 10,000's won't helpLOL
rbmedic75
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That would definately be a bad thing Aron if and I have heard it has, come on under throttle when it malfunction, that would be detrimental:ft:. I look forward to the second gen of the VGT. I think the tech is on track just not at the bullseye persay.
The he451 is found on a cummins ISX I believe. I want to say the engine is around 15 liters or so. I think it would be nice to have a good sized turbo like that with vgt. Get all the air you need and may not have to run a bunch of plumbing for a second charger. Worth looking into I think.
C111
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Its used on ISL and ISM engines which are 9.8L and 11L. All VGT/VNT turbos naturally have an exhaust brake capability.
That is false. Combustion is in the thousands of psi, 70psi of backpressure means nothing to the engine and headgasket.
On VGT equipped engines it is. The exhaust brake combined with the jakes is how Cummins can get 600hp of braking power out of 450hp engines.
There is no such thing as an exhaust brake on a VGT turbo, its only a name for a function. What you're seeing is a failure of the vane position controller which has no relation to the exhaust brake function.
What is used on the 6.7L dodge is already fourth generation and Holset is up to the seventh on 2012 emissions engines.
If an HE451Ve is too small you could upgrade to an HE551V or HE561Ve from an ISX.
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Backhoe man
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The cummins ISL is actually 8.9 liters, and having a vane controller that can fail and close the vanes while you are pushing hard on the engine like we do is a very bad idea and will blow your head gaskets. Anyone else notice that the Fords never really blew head gaskets until the VGT was introduced in the 6.0 then the same block and a little redesign (6.4) with a gated big charger does not really blow head gaskets. Then along comes the 6.7 cummins that blows head gaskets left and right at a power level under 500 hp oh its got a VGT doesn't it, the 5.9's did not blow head gaskets unless you were pushing really hard with too small of a turbo. I have noticed this time and again that is why I took off the VGT right away and never have blown a head gasket. I really love what the VGT can do as far as performance but the electronics are not there yet to run them in a performance application, when they are it will change everything but for now I would stay fixed geometry. Another thing to consider is the VGT turbos with moving parts do not like soot load at all and we make a lot of soot in the way we run these trucks, eventually they will fail and you will have to fix them somehow. Dodge does that by replacing the failed turbo the list price is really high. There is really not a rebuild kit for them if certain parts fail you are screwed anyway take it for what it is worth I would caution to stay with tried and true until we stop seeing failures at stock power levels at least. $.02
C111
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The "vane closing" issue is related to Dodge and their programming specs, not Cummins. The are hundreds of thousands of VGTs in operation outside of Dodge that don't do that.
The fleet I work for has 120 ISL and ISM engines with VGT turbos, the worst we see is the occasional oil leak from the RPM sensor.
9.8L, actually.
Also notice they went from 6 bolts per cylinder on the 7.3 to 4 on the 6.0? VGT doesn't make any difference to the ecngine except during off the line acceleration.
FYI, the cause of head gasket failures in the 6.0 is due to the EGR cooler not the turbo.
Thats because the larger bore means thinner headgasket material between edges.
Also another FYI, the 5.9L was used with a VGT turbo (HE341Ve) from 2005-2007 in Ford applications without any headgasket issues.
Then why have I done it successfully with a mechanical controller for the last 5 years?
Wrong. The only ones that soot load are granny drivers that only use their truck to commute.
Yes, clean them. Takes about 40 minutes every 2 years.
Under warranty, who cares? You can get perfectly good used ones on eBay for under $200. I bought one that looked almost fresh out of the box for $175 with shipping.
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