Procharger rebuild(EPP)
So can i got to thinkin. Does anyone know how much just a head unit D1SC cost's? Or can I just put one of the F1 model head units on my D1 bracket and if so how much do they cost?
Any help would be greatly appreciated.
The F1A has the same 9" volute as the D1SC, but the trans. is a little thicker. The F1C/R have a 9.75" volute, and the same trans. as the F1A.
I was told the F1C is a much better choice than the "R", because the r has a narrower efficiancy range (1500 rpm or so), and it has to be spun hard to reach it.
The F1A would be a very good upgrade from the D1SC also.
Steve
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by the way I went 11.58 at 124.8 with a 1.80 60ft this weekend



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