Single Turbo RX-7's Questions about all aspects of single turbo setups.

40R, which housing?

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Old 05-19-10, 07:15 PM
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40R, which housing?

Trying to figure out what the turbo setup will be on the motor when its done.
Looking into a GT40R. Leaning into a 1.06 housing. But would one of the smaller ones be a better bet to get the hit a little faster? Or is it just not worth it in the top end?
The motor is a full bridged S5.
Im not really planning on making anything over 550whp for a good while. Which Im hoping can be done down at around 25psi. But after a while, once I have another motor ready, I might try and throw out to break 600.

I hate this part of engine builds. Too many damn choices. Why cant there just be 4 turbos out there?! Small, Medium, Big, and Nom Nom Nom!
Old 05-19-10, 07:52 PM
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Maybe consider a Precision Billet 6765 with a 0.96 or a custom 1.0 divided housing? Price is probably better too

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Old 05-19-10, 08:37 PM
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Originally Posted by thewird
Maybe consider a Precision Billet 6765 with a 0.96 or a custom 1.0 divided housing? Price is probably better too

thewird
Not a bad idea at all.


The 1.06 would be my choice. The others are a bit small, and I believe the larger is a 1.19 and really not necessary.
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