Topic: Engine Temperature


Steves46    -- 02-23-2010 @ 5:35 PM
  I have a set of mech gauges on my 46 Coupe, skips pumps, no stats, new hoses, and a properly adjusted carb and although the temps hold around 160 in this 70 degree weather (don't mean to rub it in) while I am cruising around 55 mph, when I take it on up to around 65-70 mph, the driver's side gauge reading climbs up close to 185. However when I slow back down to around 55, it goes back to 160-165. The passenger side maintains at 160. I also checked the plugs and they tan which tells me the carb is set correctly. The distributor was overhauled by Skip so I feel confident about the timing. There are no leaks around the pumps or hose connections as well. Any suggestions to what I may be dealing with? This has me a bit stumped.


deuce_roadster    -- 02-23-2010 @ 7:13 PM
  Could it be that the rotation of the crank throws more hot oil onto the drivers side of the block, especially at higher speeds? I think this is aka windage. A member in our R.G. brought up this topic but he was only seeing a 5 degree difference, also on the drivers side. Since the only place the water from one side mixes with the other is in the radiator, something causes that side to be slightly warmer.


ford38v8    -- 02-23-2010 @ 11:09 PM
  Steve, a couple of ideas: A flow speed related cavitation, or perhaps you have a hot water heater which factors in, as both the inlet and outlet are on the passenger side.

Something tells me that this post may get into the whole "water flowing too fast" discussion again! Before it deteriorates that far though, you might contact Skip Haney and George Mitch*ll. They may have some helpful ideas, as they have done a fair amount of testing with the cooling system.

Alan


TomO    -- 02-24-2010 @ 4:54 AM
  My guess is that either you have a restriction of some sort on the left side. This could be a lower hose, thermostat or just debris in the block.

In any case, I would just enjoy the car and not worry about a 15 degree difference in temperature. I subscribe to the "if it aint broke, don't fix it" theory.

Tom

This message was edited by TomO on 2-24-10 @ 4:55 AM


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