need a turbo
07-11-09, 01:53 AM
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i think on a 20b theres no point on going with anything less than an 80mm turbo.. mabey a borg warner s480, or a 80mm GT42R.
What are you power goals with this engine? and at what PSI?
What are you power goals with this engine? and at what PSI?
07-11-09, 05:33 PM
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07-12-09, 09:24 PM
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07-13-09, 07:40 PM
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I wouldnt go with a divided housing turbo, so the 40R and 42R are definitely not my picks. Dumping exhaust from 3 rotors into 2 halves of a turbo is a mess and you could lose power or have longer spool time.
I would go with something like a Precision 71-76mm, or like Chaotic said, S475. The Precision turbines are a little smaller than the BW units but they will spool quick and make nice power. The BW stuff is much less expensive though.
The GT4202 IS a GT42R. There are 2 variants of the 42R, they are the 4294 and 4202. The difference is the compressor wheel.
I would go with something like a Precision 71-76mm, or like Chaotic said, S475. The Precision turbines are a little smaller than the BW units but they will spool quick and make nice power. The BW stuff is much less expensive though.
The GT4202 IS a GT42R. There are 2 variants of the 42R, they are the 4294 and 4202. The difference is the compressor wheel.
07-13-09, 08:54 PM
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oh ok cool... the 4202 has a 102mm compressor what does 4294 have ? which would be better ?
I wouldnt go with a divided housing turbo, so the 40R and 42R are definitely not my picks. Dumping exhaust from 3 rotors into 2 halves of a turbo is a mess and you could lose power or have longer spool time.
I would go with something like a Precision 71-76mm, or like Chaotic said, S475. The Precision turbines are a little smaller than the BW units but they will spool quick and make nice power. The BW stuff is much less expensive though.
The GT4202 IS a GT42R. There are 2 variants of the 42R, they are the 4294 and 4202. The difference is the compressor wheel.
I would go with something like a Precision 71-76mm, or like Chaotic said, S475. The Precision turbines are a little smaller than the BW units but they will spool quick and make nice power. The BW stuff is much less expensive though.
The GT4202 IS a GT42R. There are 2 variants of the 42R, they are the 4294 and 4202. The difference is the compressor wheel.
07-13-09, 08:58 PM
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i have a holset hx52 for sale 
its the one on the top...one on the bottom (NOT FOR SALE) is a holeset h2e
the holset hx53 specs: the comp wheel is 67mm, the exhaust wheel is 70mm, and the housing is a 16cm^2.
its the one on the top...one on the bottom (NOT FOR SALE) is a holeset h2ethe holset hx53 specs: the comp wheel is 67mm, the exhaust wheel is 70mm, and the housing is a 16cm^2.
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