Shits and Giggles - T51rKAI Spool vs GT35r Spool (by hand)
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Joined: Jun 2003
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From: Avondale, AZ
***** and Giggles - T51rKAI Spool vs GT35r Spool (by hand)
This is a video of how a ball bearing turbo spins vs a journal bearing.
For all of those that are curious to see the difference in spool time without the turbo being run.
The KAI is the huge one of course... and the GT35r is ball bearing.
A 35r will spin for about 30 seconds after the car is shut off, where as the KAI stops spinning in about a second or two.
Click here to see Video


For all of those that are curious to see the difference in spool time without the turbo being run.
The KAI is the huge one of course... and the GT35r is ball bearing.
A 35r will spin for about 30 seconds after the car is shut off, where as the KAI stops spinning in about a second or two.


Last edited by dhahlen; Dec 10, 2006 at 12:20 AM.
Thread Starter
Joined: Jun 2003
Posts: 4,022
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From: Avondale, AZ
Originally Posted by CarbonR1
Even for a journal bearing, the turbo spins unusually slow. Are you sure that there is lube inside?
the other gt35r needs a rebuild
Without oil under pressure, or any heat in there that isn't a real life comparison. Funny how I see BB salesmen doing the same thing at tradeshows..
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lol JJ, yes this is the reason. I was only running 10psi and i was still pulling on you a lil on that first race.
. What were you spiking to. Ill have a little something for you come spring time
. What were you spiking to. Ill have a little something for you come spring time
Thread Starter
Joined: Jun 2003
Posts: 4,022
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From: Avondale, AZ
Yeah charlie said it 'wasn't that bad' - his original picture wasn't... but after running it unbalanced and being a bit torn up.. you can see how it damaged it further.
Originally Posted by dhahlen
Yeah charlie said it 'wasn't that bad' - his original picture wasn't... but after running it unbalanced and being a bit torn up.. you can see how it damaged it further.
Thread Starter
Joined: Jun 2003
Posts: 4,022
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From: Avondale, AZ
Yeah no reason a t3 gt35r shoudl spool slow. Even on stock ports, you should see boost come on around 2800, and full by 33-3500 rpm. Or so I hear... I remember guitarjunkie's car at 10lbs, that thing came on so fast.. it was nuts.
When I bought my 3071R's they would spin when I put them in front of the fan , now that they are on the car they continue spinnning for more than a minute after the engine is shut off.
Originally Posted by dhahlen
Yeah no reason a t3 gt35r shoudl spool slow. Even on stock ports, you should see boost come on around 2800, and full by 33-3500 rpm. Or so I hear... I remember guitarjunkie's car at 10lbs, that thing came on so fast.. it was nuts.
guitarjunkie was at 4000ft elevation too

oddly, my t66 only spools like 100-150 rpm slower than the old 35r, but it's got more turbine, so it's a little more friendly at higher boost levels on pump gas.
Originally Posted by charlies7
now that the turbo is in good hands ill be able to see what she can do come spring time!!

That thing sure got around.
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