I'm still learning about turbos. Is trim synonymous with the amount of vanes the compressors have?

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DJ


84 300D Turbodiesel 190K with 4 speed manual sold in 03/2012

Not in my neck of the woods......

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Jimmy L.
'05 Acura TL 6MT
2001 ML430 My Spare

Gone:
'95 E300 188K "Batmobile" Texas Unfriendly Black
'85 300TD 235K "The Wagon" Texas Friendly White
'80 240D 154K "China" Scar engine installed
'81 300TD 240K "Smash"
'80 240D 230K "The Squash"
'81 240D 293K"Scar" Rear ended harder than Elton John

It's the relationship between the smaller diameter and the larger diameter of the compressor wheel.

Cool pic. Thanks for the education.

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DJ


84 300D Turbodiesel 190K with 4 speed manual sold in 03/2012

Is replacing the compressor wheel the only thing that you have to change or do you also have to change the housings as well?

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DJ


84 300D Turbodiesel 190K with 4 speed manual sold in 03/2012

Housing, wheel and backplate.

Euhm how can you guys tell witch turbo is better?
Garret has a biiiig turbo line with al kind's of turbo housing's
kkk the same

First check witch turbo you have and the dimensions of it and then see witch one is better for the engine.

Because I have used both the stock Garrett T3 and the stock KKK K26 on my engine.

I prefer the K26 since my engine tuning is mostly stock. It's what I keep as a spare in the event my GT2256V ever fails.

The dimensions are exactly the same between the T3 and K26. You don't have to change anything at all (except the turbo) if you want to switch turbos.

KKK and Ishi, best performance and life.

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99 Gurkha with OM616 IDI turbo

2015 Gurkha with OM616 DI turbo

2014 Rexton W with OM612 VGT

What kind of turbo is the Ishi?

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DJ


84 300D Turbodiesel 190K with 4 speed manual sold in 03/2012

looks like it is a warner-ishi brand turbo.

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-Trevor

OBK #12
1980 300SD 333,XXX miles - Totaled
1986 Mazda RX-7 212,XXX miles - impounded and auctioned off
2005 Jeep Liberty CRD Limited 33,000- SEGR, Provent, Fumoto

Correct,they are Japanese turbo manufacturers, they were the first to pioneer ceramic turbos as well as variable geometry which the Honda F-1 turbo engine used in 80s to develop 1200bhp from a 1.5L V6 engine.

More info at http://www.ihi-turbo.com/companyinfo.htm and http://www.ihi.co.jp/index-e.html

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99 Gurkha with OM616 IDI turbo

2015 Gurkha with OM616 DI turbo

2014 Rexton W with OM612 VGT

Wow be nice if you could get even a fraction of that power on a 617 by using their turbo.

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DJ


84 300D Turbodiesel 190K with 4 speed manual sold in 03/2012

The problem with developing power in the OM616/617 is just not turbo boost, its many other factors including thermal, frictional etc. At the test bench when the OM616 turbo was developed, it was making close to 132bhp, MB engineers tuned it back to a conservative 91bhp just to keep the legendary reliability of the MB engines intact.

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99 Gurkha with OM616 IDI turbo

2015 Gurkha with OM616 DI turbo

2014 Rexton W with OM612 VGT

True as hp goes ↑ reliability goes ↓.

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DJ


84 300D Turbodiesel 190K with 4 speed manual sold in 03/2012