Joy2all Posted February 1, 2007 Share Posted February 1, 2007 We have purchased a 237 engine to replace a END673 in a B63 MackCan someone tell us what to watch for?All help appreciated....We can see theres differences in clutch diameter ???!!!HELPPPP!!!Joyce Quote Link to comment https://www.bigmacktrucks.com/topic/2091-swap-an-end673-to-a-237/ Share on other sites More sharing options...
HK Trucking Posted February 1, 2007 Share Posted February 1, 2007 We have purchased a 237 engine to replace a END673 in a B63 MackCan someone tell us what to watch for?All help appreciated....We can see theres differences in clutch diameter ???!!!HELPPPP!!!JoyceTake the clutch & flywheel from the 673 & put it on the 237. Quote "If You Can't Shift It Smoothly, You Shouldn't Be Driving It" Link to comment https://www.bigmacktrucks.com/topic/2091-swap-an-end673-to-a-237/#findComment-10183 Share on other sites More sharing options...
Rob Posted February 1, 2007 Share Posted February 1, 2007 Take the clutch & flywheel from the 673 & put it on the 237.Also the water pump, pulley(s), and crank damper. You will need to modify your front engine mount.Rob Quote Plodding along with no job nor practical application for my existence, but still trying to fix what's broke. Link to comment https://www.bigmacktrucks.com/topic/2091-swap-an-end673-to-a-237/#findComment-10196 Share on other sites More sharing options...
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