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Twinny Twinny is offline
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Join Date: Sep 2006
Location: Cambridge, England
Posts: 23
Originally Posted by 911st View Post
When are you hitting your 5.2 bar full boost?

I do not know the T4 unless you are talking about the turbine mouth size. Do you know the hot side's A/R?

Nice thing about Turbonetics, you can usally buy a next size smaller turbine housing and just fit it to your existing turbo for I am guessing about $200.

A smaller A/R will get you to earlyer boost but often costs at the upper rpm range.
I'm waiting for Turbonetics to get back to me with the spec. Jerry kindly provided me with part numbers off the box label.

Regarding boost, here's the dyno run I had done when the car arrived...

'87 3.2 with a twist.....371bhp and 325lbs/ft
Old 05-13-2010, 03:50 PM
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