Quote:
Originally Posted by whipplem104
I used one of these early on. The problem is to reach 5-6lbs of boost you have to spin the thing really hard. I had a 2 1/4" pulley on it. This put it at almost 3-1 ratio. I blew the rear bearings out of one of them. With the stock setup on a 4 cylinder it only made 7lbs. Same ratios on the 6cyl and you are going to be maybe 3lbs.
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The stock C230k has nearly a 3.65" pulley on the blower, and puts out approx. 6-7 psi. I custom made a 3" pulley and get approx 10psi. You can not be using this same blower, because there is simply no way to get a 2 1/4" pulley on that snout, but I never like to say never, you might have done it. I would love to see a pick of it over the snout needle bearing, and with the shaft coupler you must have fabricated. There was one guy who made a 2.75" pulley I remember who had to do alot of fuel system work. I remember he stated that once you break 11psi that the fuel system can not keep up, and his 2.75" pulley broke that mark. Off hand I do not remember the C230 crank pulley diameter. If I'm able to utilize this C230 M62 unit, even with the same size crank pulley as the stock 230k with my 3" pulley, without doing the math I'd simply have to get 5psi out of it.