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Robert, When I got out of the Army in 1972 and tried a couple jobs, wound up at the then brand new GM Truck & Coach Plant 6 in Pontiac, MI as a repairman on medium duty trucks.?? Besides the Fuller RoadRanger transmission, there were 2 AND 3 speed axle sets available. ...

I have often thought about a hybrid steam vehicle. Steam generators are 80% efficient according to some websites selling them. Amber Doble invented a steam generator that eliminated the boiler I believe. The on demand steam used less fuel, and eliminated the boiler. If a battery was installed to provide ...

Hi Chad, I ran across this aftermarket solution from Gear Vendors. Might work better on my truck since it’s a 4 x 4? Www.Gearvendors.com My Chevy does have a low range for four wheel drive. But it’s a real granny gear. Bob Cencer PE MI Sent from my iPhone

I was hoping someone from the interior climate control committee would chime in on this.  it could be their employers will not allow giving out this information. There was a lot of testing around the efficiency of R1234yf vs. R134a. Try searching for that to get some COP numbers. You can search the SAE ...

​Hauled dozens of loads to town with a 1959 Dodge, 1948 Chev, 1969 Dodge, all with box-and-hoist setups... all had either a 4 or 5-speed and an Eaton 2-speed rear axle.  The upshift in all three was a piece of cake.  The downshift was rather finicky in one of them [cannot remember which] but it was doable.  ...

LPG was available back in the 1950s.?? Some truckers used it.?? The problem was that truckers fell to the temptation of using cheaper cooking/heating grade LPG [mostly butane] (research octane about 80) instead of more expensive motor fuel grade LPG [mostly propane] ...