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930gt-40r's Avatar
 
Join Date: Jan 2007
Location: Boca Raton, FL
Posts: 2,063
Precision turbo owners or dealers

I need to acquire a .81 A/R tangential housing for a Precision PT-67 dual ball bearing turbo. I have a .85 A/R on center housing currently and want to change. If anyone could help me I would really appreciate it.
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Kris @ Tech9
86' 930/GT-40R Sold
94' Rustang GT daily (long gone)
2008 C6/Z51 Corvette
Old 02-04-2008, 08:21 PM
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Email my brother, Frank@amsperformance.com

He will help you out.
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Williamknightperformance.com
Perfectpower.com
Old 02-05-2008, 07:27 AM
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Before I ask, do you think I should switch to a .81 housing or a .96? I have the .85 on center and I think that is killing my performance due to the angle of exhaust gas flow. I ask you because I know you have experience with the turbo that I got.
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Kris @ Tech9
86' 930/GT-40R Sold
94' Rustang GT daily (long gone)
2008 C6/Z51 Corvette
Old 02-05-2008, 11:54 AM
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A tangential housing is much more efficient than an ancient on center unit. The inlet gas path is much straighter and hits the exhaust wheel at a much better angle providing quick spool and more power across the whole power band. I would recomend staying wit hthe .81 unit.
How much boost do you plan on running?
Old 02-05-2008, 01:32 PM
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