PT98/88 on a 347?
Will the S88 and S91 be more of track only type of turbo? What RPM could you see full spool typically with those turbo's and the thread starters combo?

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Thats true but the advantage the ford guys have is 15+ years or R&D to get them down the track. 450+ CMF heads help too.
How high do you plan to turn the motor?
Thats true but the advantage the ford guys have is 15+ years or R&D to get them down the track. 450+ CMF heads help too.
How high do you plan to turn the motor?
It's just a bit more complicated than that...lol
Ultimately the turbo is the restriction in the application, It can only move so much air, but what big heads can and will do is give you much greater area under the curve.
What ECU are you going to use?



...certainly 

