Quote:
Originally posted by Phil Waterman
Of course waiting for cooler temperatures is an option here in the Northern States. We've already had frost warnings in August in some of the northern valleys of New Hampshire.
But really, I think the problem was caused by running the engine leaned way out because of float set wrong. With that fixed the engine seems to run right around 170-180 now which would make senses with a 160 thermostat. Your advice about flushing the engine is right on, this engine had been completely apart and rebuilt and the block boiled out so it was clean inside as was the radiator. The water that comes out of it is clear with only a slight tint from rust inhibitor, once I’ve gotten a little more run time on it I’ll drain and add antifreeze.
Have discovered that Pattern 12 Cab really needs all the little do-dads like the screen door hooks on the doors so that you can ride with the doors open 6”. And the insulation board (originally asbestos) looks like a must also the engine compartment seems to be more pressurized by the fan than on the 13 Cab as every seam in the engine cover, which there are a lot more, seam to be a source for more hot air into the cab. Even with the cab top off the 12 Cab is warmer than either of my 13 Cabs.
By the way what color is your C15? My HUP is the dark olive while my Pattern 13 C60S is the light tan (British Sand color) park both trucks out in the sun and the C60 is considerably cooler.
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I wanted my truck to stand out from the sea of O.D. so I painted my CMP SCC#2, and yes, it's dark enough to provide a lot of heating from the sun's rays. I agree about the seams blowing hot air in the cab 13, although I'm sure to enjoy that come February! One small trick I do is to wedge the hatch open about 3 inches to act as a wind scoop to help cool the cab a little while I'm driving.