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Author Topic: .68 5th  (Read 11478 times)

Reply #45March 14, 2011, 10:39:31 pm

dodger21

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Re: .68 5th
« Reply #45 on: March 14, 2011, 10:39:31 pm »
Yeah, that is like the Holset HE351 on the Cummins trucks. It has a 22cm housing and a thing in the housing opens and closes the hole wher the exhaust enters and hits the vanes. Pretty neat tech. The VNT is what I have heard called VVT, variable vane turbo.
1985 Golf 1.6NA with a 5spd

Reply #46March 15, 2011, 02:33:31 pm

R.O.R-2.0

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Re: .68 5th
« Reply #46 on: March 15, 2011, 02:33:31 pm »
Yeah those are different, like most things JD has their own things. On a John deere turbo the vanes do not twist like in a lot of applications.  IN fact the housing is wider than a standard turbo and the vanes are a set angle and they move in and out!

They use it for their EGR and emissions systems. they close the turbo to make excessive EMP and forcde exhaust gas into the EGR cooler.

trick eh? oh and they have a speed sensor on the turbo itself, you can watch it like a tach, some hit 120,000 rpm. Now that would be a cool dash gauge.

ive heard the small VNTs hit about 250k rpms.. like the VNT 15 and 17..
92 Jetta GLI - Black, 1.6D w/ GT2056V turbo..
86 GTI - 4 Door, Med Twilight Gray, Tow Machine..
86 Audi Coupe GT - Tornado Red, All Stock.. WRECKED.
89 Toyota 4Runner - Dark Grey Metallic, LIFTED!

Turbo: exhaust gasses go into the turbocharger and spin it, witchcraft happens and you go faster.

Reply #47March 15, 2011, 04:25:26 pm

blackbird82

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Re: .68 5th
« Reply #47 on: March 15, 2011, 04:25:26 pm »
that could be, i've never seen a deere one over 150K rpm
these are mostly on 125 to 285 hp applications i work on
the 12.5 and 13.5 liter 6 cylinder motors are goin twin turbo this year
sequential
I love the whistle......

Reply #48March 15, 2011, 06:32:23 pm

macka

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Re: .68 5th
« Reply #48 on: March 15, 2011, 06:32:23 pm »
that could be, i've never seen a deere one over 150K rpm
these are mostly on 125 to 285 hp applications i work on
the 12.5 and 13.5 liter 6 cylinder motors are goin twin turbo this year
sequential

so they took a look at the IH ones and improved em? I know they had fuelling issues to the tune of 4 mpg loaded or empty.
Quote from: Vincent Walden
I do know that I drive torque,  while listening to my friends prattle on about horsepower.

Reply #49March 16, 2011, 09:01:19 am

blackbird82

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Re: .68 5th
« Reply #49 on: March 16, 2011, 09:01:19 am »
ummm, they went sequential for emissions, want no smoke at all. Each turbo has  VGT controller. And they are the same size, not one bigger one smaller.  As for IH I don't know. Haven't seen there stuff since the 7.3

And in Ag apps we never talk mpg its Gallons per hour!
FOr instance a 9870 combine with a 530 hp 13.5 Liter Inline 6 doin full load of hard to thrash wheat will suck back 24 Gallons per hour. 

I love the whistle......

Reply #50March 16, 2011, 12:23:52 pm

macka

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Re: .68 5th
« Reply #50 on: March 16, 2011, 12:23:52 pm »
roughly 15 gallons per hour on the highway. The older trucks were 7 to 10 mpg. People worry about emmissions yet they are willing to make zero emmission fuel sucking monsters.
Quote from: Vincent Walden
I do know that I drive torque,  while listening to my friends prattle on about horsepower.

Reply #51March 16, 2011, 12:26:53 pm

R.O.R-2.0

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Re: .68 5th
« Reply #51 on: March 16, 2011, 12:26:53 pm »
i dont get it, why make them burn twice as much fuel, just to keep them clean?!
92 Jetta GLI - Black, 1.6D w/ GT2056V turbo..
86 GTI - 4 Door, Med Twilight Gray, Tow Machine..
86 Audi Coupe GT - Tornado Red, All Stock.. WRECKED.
89 Toyota 4Runner - Dark Grey Metallic, LIFTED!

Turbo: exhaust gasses go into the turbocharger and spin it, witchcraft happens and you go faster.

Reply #52March 16, 2011, 09:49:26 pm

macka

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Re: .68 5th
« Reply #52 on: March 16, 2011, 09:49:26 pm »
i dont get it, why make them burn twice as much fuel, just to keep them clean?!

cuz the tree huggers are niave to this fact. They just don't want eveil dirty diesel. They want happy clean thirsty diesels because what you don't see or know makes then happy and fuzzy.
Quote from: Vincent Walden
I do know that I drive torque,  while listening to my friends prattle on about horsepower.

Reply #53March 17, 2011, 12:51:18 am

maxfax

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Re: .68 5th
« Reply #53 on: March 17, 2011, 12:51:18 am »
cuz the tree huggers are niave to this fact. They just don't want eveil dirty diesel. They want happy clean thirsty diesels because what you don't see or know makes then happy and fuzzy.

Hence the reason the Prius is so well loved by the "greenies"

Reply #54March 17, 2011, 09:29:20 am

blackbird82

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Re: .68 5th
« Reply #54 on: March 17, 2011, 09:29:20 am »
Yeah, read an article about batteries, the big lithium ion kind in hydrids and electrics.  I know my diesel is dirty, but also I know that it was built in 1993.  And has been goin strong since

These electric cars batteries, I often wonder about how much mining and processing to make the precious metal in them.  How much Carbon does that put out?  Does a Prius ever balance it's existance out?

basically a car is a car, but in my case its body, simple engine done.
THey have the whole battery issue and all the carbon it takes to manufacture it extra on top of a regular car

Do they ever balance themselves out?
I love the whistle......

Reply #55March 17, 2011, 11:20:06 am

maxfax

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Re: .68 5th
« Reply #55 on: March 17, 2011, 11:20:06 am »
From what I've read and researched, barely if you're lucky..   Your chances are better with an H1 Hummer..

For JUST the batteries:

Nickel mined in Canada, the mine site is such an enviornmental disaster that NASA used the abandoned sites to test Mars rovers.. Nickel is boated to China..  Why China??  It's cheap, and the process is so toxic that most country's EPA won' allow it..  Then shipped to Korea to be made Nickel foam, cheap labor.. THEN shipped to Japan to be made into batteries..  And finally back to the US.....

Much cleaner than my diesel soot..    At this point, even the hard core tree huggers agree, it's not the best option...

Reply #56March 17, 2011, 11:25:03 am

blackbird82

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Re: .68 5th
« Reply #56 on: March 17, 2011, 11:25:03 am »
Haha I know where they mine the nickel. THompson and Flin Flon Manitoba!

My brother played junior pro hockey in Flin Flon. THey got a lake in the middle of town called Ross lake that is so polluted that no one, NO ONE can go near it.  Big Fence put up.

Yeah my idea of future is a car like the Volt, with no batteries. Just a diesel, and a generator and electric drives.  Run my car like a train, with two engine speed settings, idle and power generation.

Trains are the second most efficient diesel devices we have, they are rated at 400 tonne per gallon of fuel. Thats movement to fuel used.

Highway tractors are waaaay lower around 160!

Big dirty ocean ships? Are the most efficient devices we build. around the 1200 tonne per gallon used ratio.

Makes you think eh?
I love the whistle......

Reply #57March 18, 2011, 12:16:35 am

maxfax

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Re: .68 5th
« Reply #57 on: March 18, 2011, 12:16:35 am »
Makes you think eh?

I'm beyond thinking, it's just disgusting..  My question has been repeatedly, if hybrids are so great, why don't they build diesel hybrids??  I suppose that makes too much sense...

Reply #58March 18, 2011, 06:26:47 am

Patrick

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Re: .68 5th
« Reply #58 on: March 18, 2011, 06:26:47 am »
Haha I know where they mine the nickel. THompson and Flin Flon Manitoba!

My brother played junior pro hockey in Flin Flon. THey got a lake in the middle of town called Ross lake that is so polluted that no one, NO ONE can go near it.  Big Fence put up.

You forgot the "Big Nickel" in sudbury... Although I will say I was there last year and there's been a major improvement in the environment. It's not perfect, but it's a lot better than it was!


Reply #59March 18, 2011, 11:21:10 am

blackbird82

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Re: .68 5th
« Reply #59 on: March 18, 2011, 11:21:10 am »
Yeah a diesel hybrid would be sweeet. If a new Jetta TDi was hybrid oh jeez, it would be unbelievable.

But maybe VW is taking the morale high ground by not building horrible toxic batteries.

Who knows.
I love the whistle......

 

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