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Here is a youtube engine test run of an LS1 V8. Watch it long enough to see how the dual radiators are plumbed. This system for engine cooling includes two radiators which appear to be in series. It seems to be going from the thermostat housing to the top of the first radiator then is taken out the bottom of the first one and crosses over to number two at the top inlet and back out the bottom into the pump and back through the block .They are both dual pass radiators . They feed this air from two outside the cowl scoops. Bud Warren claims this cools very well. In fact he claims it is the only way to cool the 300HP LS1 V8's . I wanted to original install a LS3 into my Questair, but could quite get it stuffed in there . http://www.youtube.com/watch?v=CUSbOAZRRtg. If this link does not work search youtube for Franks Bearhawk Test run. Incidently they claim they need 1256 Sq In of radiator surface to keep the V8 running at 190 in cruise and 200 max in the climb. Also if you to geared drives yahoo forum there is a very interesting read on the subject on cooling requirements for the LS1.
Tom Giddings
VP Avionics Sales
MIDWEST AVIONICS
200 Hardy Roberts Dr
PO Box 219
West Paducah,KY 42086
877-904 9966
Cell; 727 858-1772
FAX:270 744 3466
tom@midwestaviation.net
Online Store
www.midwest-avionics.com
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