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That photo with the temp gauge about 1/3 of the way up is about correct for my parent's new (special order) 1971 383 auto Road Runner when it was new and also correct for my 1972 Plymouth Satellite Sebring Plus 318 Auto which I purchased about 10 years ago.
As I already mentioned in post #1...
I think a hodgepodge 340 I purchased a few years ago had a cast iron water pump, so I thought I would ask if factory only installed aluminum (1968-1973)? Thank you.
Who's delaying the warm up time with a thermostat? The thermostat speeds up the warm up time doesn't it? (just regulates the minimum running temperature).
Those for sale in post #2 will not be shipped to my location (Mexico). Year One has some listed but who knows the quality/country of origin? Not taking a chance.
I measured the crank pulley at 24" circumference while the fan/water pump pulley is at 19". Therefore, I figure the fan/water pump is running at a slight overdrive. No question here, just analyzing the parameters of the cooling system. Don't know if we have factory pulleys here and neither am I...
Everyone has their own opinion (may be talking about plastic fan flex, not the same with a fixed metal fan). Two from internet search:
Shoot for about 1/2"-3/4" clearance from fan to radiator. The very important shroud should have 2/3 of the fan inside the shroud and 1/3 of the fan outside the...
When I see an aftermarket aluminum radiator in a Mopar muscle car I can't help but cringe. I don't fault anyone for using one, I am sure they are efficient units and probably an improvement over factory original units. I just never have been able to get accustomed to seeing them in the engine...
The '71-'74 rallye dash factory coolant temperature gauge only has two marks. Up to the first mark seems to be when the motor is considered "cold". Between the two marks seems to be considered "normal range." Anything past the second mark seems to be considered "overheating". That's how I see it...
My Avatar is also my project car, what I will be calling a "Super Satellite". I have a '72 SSP repainted Bahama Yellow, interior done (brown/dark brown), now building the "Nascar" 305 de-stroked 340 (2.96 stroke), and then finally the Mopar '71 wind tunnel style nose and wing. Build thread...