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

which wastegate is enough for my T70?

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Old 11-11-03, 12:35 PM
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which wastegate is enough for my T70?

first here is my setup:
Race ported motor, T70BB with .84 A/R and i'll be getting a custom tubular manifold.

I already have a used Turbonetics Racegate with a 10 psi spring, it was used for only 2 months and is in great shape. Should i use it with my T70 or will i be better off with a Tial or a HKS WG??
will the Racegate be affected by the high EGTs, if its not attached directly to the turbo?

Last edited by zooq; 11-11-03 at 12:38 PM.
Old 11-11-03, 12:41 PM
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What's the boost you are going to work? I would go with HKS GT WG not because the racegate is not enough but because i don't trust them at all. 3 days ago a friend of mine with a honda integra turbo spooled 1.9bar boost instead of max 1.2bar he supposed to work due to a broken racegate....guess what happened...BOOM!
Old 11-11-03, 12:58 PM
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i'll most likely run 12-15 psi on the street and 20+ psi at the track.
Old 11-12-03, 12:14 AM
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i'm running the 50mm HKS racing wastegate. works for me

of course my turbo is quite smaller than yours, 60-1 w/1.0 divided a/r
Old 11-12-03, 10:14 AM
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a tial 46mm is good enough. stevenoz had that with his bbt70
Old 11-12-03, 11:40 AM
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I have had zero boost creep with a new Turbonetics racegate and a T-72. Works much better then the Apex WG I had before that stuck shut a few times.
Old 11-15-03, 03:35 PM
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I use the racegate, It works fine for me.
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