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Turbo upgrade, which one.
by
bugnut
on 13 Aug, 2010 16:56
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My T3 is too small, time for a bigger one. I can peg my pyro gauge right now with the T3 while boost is at 30psi. That is with water injection. Is there another bolt on or is it new exhaust manifold time with new turbo. The engine is a 1.9aaz/1.6 block with a Giles built pump. I am not thinking a vnt right now but maybe a HX35 from a dodge cummins. I know I will have to make a flapper vavle for the divided housing. What other turbos are a good candidate?
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#1
by
MJF
on 13 Aug, 2010 19:37
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HX35 is big, even when flaps are used. There is no bigger bolt-ons available. I'd try to find HX30, Scwitzer S1BG or something that size. Ofcourse it depends what power range you are looking.
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#2
by
OM617
on 15 Aug, 2010 14:56
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An HX35 is 3x too large for your engine.
The reason you can peg your pyrometer with 30PSI from the T3 is because the turbo is extremely inefficient at that pressure. Its actually flowing more air at 25psi than 30psi because of the difference in temperature!
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#3
by
mystery3
on 15 Aug, 2010 16:03
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Why don't I see more guys running small ball-bearing turbos that are efficient and spool rapidly instead of thinking about turbos from trucks with 6L motors? I will be running a turbo which is too big for my application but it was free and has the correct flange.
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#4
by
410
on 15 Aug, 2010 16:31
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All ball bearing turbo's I've seen need coolant for cooling since oil flow is restricted because of the bearing design. It wouldn't be too much of a big deal to run coolant lines to it but this adds complexity to the swap. I personally love my vnt setup bolted up to an aaz exhaust manifold with the triangular flange. Pulls hard at 20-22 psi.
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#5
by
dieselherb1
on 15 Aug, 2010 17:56
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Isn't the T3 too big for the 1.6 engine? Or does the gov. mod make it more reponsive quicker? I thought it would be more at home on the TDI?
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#6
by
GEE-BEE
on 15 Aug, 2010 18:11
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My Ko4/KO3 Hybrid works very well
Ceramic housings have reduced temp's
Gpopshop.com is the place for quality and a fair price...
17psi here, perfect
If speed is what you get a P car
I have 2008 997TT with 36psi/ 680 hp on the ecu ( flash )
Iam looking at the new 2011 GT2 RS
GB
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#7
by
bugnut
on 16 Aug, 2010 17:39
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Looks like I will lower the boost down a little right now.
Gee-Bee, Do you know how much boost the hybrid can push out before it becomes hot air? My pump is setup to run 30psi of boost so I would like to keep this new turbo in that range.
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#8
by
GEE-BEE
on 17 Aug, 2010 09:38
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ask jerry, at Gpopshop.com
or there my be info at idiparts.com
GB
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#9
by
bugnut
on 19 Aug, 2010 14:57
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HX35 is big, even when flaps are used. There is no bigger bolt-ons available. I'd try to find HX30, Scwitzer S1BG or something that size. Ofcourse it depends what power range you are looking.
Do you know which S1BG turbo to get. I found a source but there are like ten different models. They range in $600 to $1000. If you happen to know a model number that would be great. Do you know which cars they came on?
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#10
by
bugnut
on 30 Aug, 2010 16:00
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Ok I have been looking around and I decided to go with a hx30. Now where is the heck do I find one. I looked high and low for an hx30 and it looks like no one sells one. I have been on ebay germany, uk and usa with no luck.
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#11
by
Smokey Eddy
on 30 Aug, 2010 17:06
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I have 2008 997TT with 36psi/ 680 hp on the ecu ( flash )
Iam looking at the new 2011 GT2 RS
GB
Did gee-bee just say he has a 680 hp 997tt?
just so we're clear that is one of these... MY DREAM CAR
DDDDDDDDRRRRREEEEEEEEAAAAMMMMMMM CARRRR!!!
I've always
loved the 997!!!!!!!!!!
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#12
by
rallydiesel
on 30 Aug, 2010 17:24
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#13
by
bugnut
on 30 Aug, 2010 17:46
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That turbo is about 500 more than I want to spend. Who knows tho if I can't find a hx30 I might go that direction.
Now that 997 looks like it would be way too much fun. That car is a straight to jail ticket, do not pass go or collect $200.
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#14
by
jack's lack
on 31 Aug, 2010 04:41
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I have 2008 997TT with 36psi/ 680 hp on the ecu ( flash )
Iam looking at the new 2011 GT2 RS
GB
Did gee-bee just say he has a 680 hp 997tt?
just so we're clear that is one of these... MY DREAM CAR
DDDDDDDDRRRRREEEEEEEEAAAAMMMMMMM CARRRR!!!
I've always loved the 997!!!!!!!!!!
I'm pretty sure his is white!!! I'm sure if you ask him nicely he will email you pictures
bugnut I'm still rocking a K14 I have been eyeing the VNT-17/22 hybrid, but they are like $1800. I'm thinking maybe I should just find another hairdryer and compound them. It seems like that would be the cheapest way to reduce lag and make tons of boost. Since you can fabricate I bet twins would be even cheaper for you.