Freightrain Posted 4 hours ago Author Share Posted 4 hours ago 1 hour ago, davehummell said: Many years ago I worked at a trucking company that ran the 285's with the 5 speed in several cabovers to the coast and they sent a R model with a 237 with 5 speed on a weekly run to Canada. I knew a guy that I used to do work for that had a R model running to Texas and back The difference is, the 237 and 285 were made for only 5 gears. The 300+ isn't, so I bet it was slow to recover on a shift. Quote Larry 1959 B61 Liv'n Large...................... Charter member of the "MACK PACK" Link to comment https://www.bigmacktrucks.com/topic/75768-300-rebuild/page/3/#findComment-578917 Share on other sites More sharing options...
cruiseliner64 Posted 1 hour ago Share Posted 1 hour ago Im very interested in this build.please keep us up to date with it.A bit of a side question but how rare is a tip turbine nowadays?I have never seen one but Im interested in how they run.. .... Paul Quote Link to comment https://www.bigmacktrucks.com/topic/75768-300-rebuild/page/3/#findComment-578924 Share on other sites More sharing options...
Freightrain Posted 1 hour ago Author Share Posted 1 hour ago I was going to try to add one to my 237, but got a whole motor. I hear they are quiet noisy at full song? Guess I will find out. Seeing they are 40+ yrs old, it is likely harder to find one? Mine does work, as I had motor running and if I jabbed the throttle it would send a touch of wind into it and it would spin easily. They were popular before CAC was mounted in front of radiator. Quote Larry 1959 B61 Liv'n Large...................... Charter member of the "MACK PACK" Link to comment https://www.bigmacktrucks.com/topic/75768-300-rebuild/page/3/#findComment-578925 Share on other sites More sharing options...
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