need a turbo
i need a turbo for my 20b and i herd between 40r and 42r are really good witch should i go with?:dunno:
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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? |
i want 500whp or more nothing less
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72mm turbo @ 10psi will make 530RWHP
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ok does anyone know how much boost i can run before something happens or apex seal go on me ??
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Originally Posted by rotorykent
(Post 9350566)
ok does anyone know how much boost i can run before something happens or apex seal go on me ??
that question depends on countless other factors.. but i wouldn't imagine before 20psi; which is plenty of power. |
I'd go with a 40R. I have a 4202R and I'm not even really into its efficiency at 575whp. A 40R should spool faster and still make plenty of power
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what is the difference between the 4202r and the 42r
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Originally Posted by imtiaz
(Post 9351306)
what is the difference between the 4202r and the 42r
If you are looking for a Big fat turbo that will still spool plenty fast, then go with a borg warner s475. They're 600 bucks.. you cant beat that really. |
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. |
oh ok cool... the 4202 has a 102mm compressor what does 4294 have ? which would be better ?
Originally Posted by ScorpionT
(Post 9354978)
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 have a holset hx52 for sale :) http://www.thesarx.com/Photo0423.jpg 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. |
how much power and what pounds of boost?
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Originally Posted by imtiaz
(Post 9355104)
oh ok cool... the 4202 has a 102mm compressor what does 4294 have ? which would be better ?
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I've got the turbo for you.
Brand New T6 flanged GT4202R Ball bearing/water-oil cooled. pm me if interested. Sorry for the spam :D |
how much man??
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