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Slow idle speed best till oil pressure is up. Maybe 15 seconds. Anytime the period longer is longer than a minute or two and the idle speed should be raised with the hand throttle to 1000rpm-1200rpm. This is because the cylinder walls and camshaft are lubricated only by splash and thrown...

My new Commercial Mack Vision (EM7-315 - I think) has a big clutch fan(something new for 06').Climbing hills it always come on at speed.At high RPM(1700) the HP drain is incredible.Much less at lower speeds,(1200rpm).It can slows the rig down 5MPH.Probably 20-40HP.Under no load it acts like a...

Hi Lee H. I have a non-whistler and associated plumbing.I wanted to look at a NAPA 21470 muffler today.Might have to wait till tomorrow .I Saw that Mod. here and really like it.I seems like a waste of time to try and tune pump/deal with smoking beforehand .These LD's were "supposed" to be...

Hi David D.,Ken and group, My fuel economy could be better.Remember I'm pulling 13T(Stalwart).5MPG was on 600 mile road trip for M706(10T/3T empty).Might be the pump.Runs fine and clean up to the point of max output.Any additional throttle causes the smoke.That point varies with speed.The...

Hi Group, Just some conjecture. I think the multi -fuel engine design is terribly inefficient especially when compared to modern commercial diesels.Perhaps the choice was made to accept smoke and poor fuel economy for the tactical advantage of using anything that resembles fuel. My LD465 C1 is...