Posted 2/25/2012 22:37 (#2251790 - in reply to #2251686) Subject: Re: big cam, small cam cummins 855
We have a NHT 350 from 1985 in a cab-over Freightliner that I believe is a small cam and is a low flow cooling system. It has a water to air intercooler so they needed the low flow characteristics so the intake air could be cooled properly.