Ball bearing turbos?

Bustedknuckles

Bustedknuckles

Honey Badger
Sep 25, 2010
1,309
2
38
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Hagerstown MD
Time to upgrade my s366 and I'm wanting a ball bearing Garrett turbo. Anyone on here running one? Or have one for sale? The gt4294r is what I was looking at. I have dual pumps and 75 percent overs.

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Ne-max

Ne-max

I like turtles
Nov 15, 2011
3,361
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48
Lincoln, Ne
WisconsinHick1 said:
I have been impressed with how fast a ball bearing turbo spool. I am looking at going ball bearing in the near future.
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X2. My gtx4508r 80mm valley turbo spools way nicer then my old s472. But it also sucks when a turbo grenades and sends pieces into the Garrett. Could not buy just the compressor wheel.
 
Bustedknuckles

Bustedknuckles

Honey Badger
Sep 25, 2010
1,309
2
38
32
Hagerstown MD
NC-smokinlmm said:
4094 runs hotttttt...;)
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Hot as in egt wise or hot as in good? It only flows a couple lbs per minute more than my 366 and way less than a S369sxe. Not sure if I'm making a wise choice but then again I have dual pumps and 75% overs on a stock bottom end lb7 so wise choices is not my forte

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NC-smokinlmm

NC-smokinlmm

<<<Future tuna killer
May 29, 2011
5,053
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At Da Beach
Bustedknuckles said:
Hot as in egt wise or hot as in good? It only flows a couple lbs per minute more than my 366 and way less than a S369sxe. Not sure if I'm making a wise choice but then again I have dual pumps and 75% overs on a stock bottom end lb7 so wise choices is not my forte

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Click to expand...

High EGTS, you have to drive it really hard...
 
kidturbo

kidturbo

Piston Tester
Jul 21, 2010
2,338
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Somewhere On The Ohio
www.marinemods.us
Ran a 4094R for a few years with +50 sticks and stock pump. Spools quick, but as mentioned, it's a bit tight on AR and runs hotter than a stock VNT.

In my application it was holding things back at 3600r and 700hp. I'd rate it at arround 600hp max. Shaft end play is substantially greater on thee roller bearing units, but never effected anything that I could tell.
 
Bustedknuckles

Bustedknuckles

Honey Badger
Sep 25, 2010
1,309
2
38
32
Hagerstown MD
kidturbo said:
Ran a 4094R for a few years with +50 sticks and stock pump. Spools quick, but as mentioned, it's a bit tight on AR and runs hotter than a stock VNT.

In my application it was holding things back at 3600r and 700hp. I'd rate it at arround 600hp max. Shaft end play is substantially greater on thee roller bearing units, but never effected anything that I could tell.
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This one has a .95 AR exhaust housing, my 366 has a. 91?

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WisconsinHick1

WisconsinHick1

New member
Mar 11, 2009
1,231
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Minnesota
Ne-max said:
X2. My gtx4508r 80mm valley turbo spools way nicer then my old s472. But it also sucks when a turbo grenades and sends pieces into the Garrett. Could not buy just the compressor wheel.
Click to expand...

Yeah that is the bad part is you can't get parts and no one else but Garrett can work on them.
 
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