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RE: Boosting A Supercharger

To: Mitch Seff <ms6453@optonline.net>, Tom Rand <f700fast@yahoo.com>
Subject: RE: Boosting A Supercharger
From: "Shawn J. Loseke" <sloseke@holly.colostate.edu>
Date: Sun, 22 Oct 2006 16:41:16 -0600
>===== Original Message From Mitch Seff <ms6453@optonline.net> =====
>Hi Tom,
>
>It's not so much the blower, although they do have max flow capacities,
>but it's more the limitations of the design of the motor. I think the
>Moss kit & Sal's kit start with 5-6 lbs of boost using a 3-1/4" pulley.
>I have installed a smaller pulley to bring the boost to about 8-9 lbs.
>To safely raise boost pressures over 10 lbs you need to incorporate
>timing retard devices & water or alcohol injection, along with 92 oct
>gas.  I'm talking about street motors now, not  dragster engines that
>are rebuilt after a few runs down the track. Engines that run higher
>boost levels are usually designed that way when being built.
>


Maybe even start thinking of an intercooler. Eventually though the head design 
itself will become the ultimate obstacle.

Shawn J. Loseke
Fort Collins, CO
http://www.triumphowners.com/79   (1972 TR6)
http://www.triumphowners.com/690  (1978 TR8)




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