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where do I point IT?


johns1974

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Dumb questions of the day courtesy of your local FAQ Board numb nut:

I just got an infrared thermometer (cheap at harbor freight) to more accurately diagnose my overheating problem.

Where, exactly, do I point the laser to get the relevant reading? (Radiator hose? Block? Top of radiator? All of the above?) BTW, If some one says something like "up your ass" we might have to go to blows... HA!

What is the temperature reading I'm supposed to get? I believe there is a 71deg thermostat in it, if that makes a difference.

What temps should make me really worry?

I'd love someone provide something like this (I'm obviously making up the ranges as I have no idea!):

150-170 cool

170-180 optimal

180-200 warm

200-210 hot

over 210 defcon 5

And final dumb question o' the day: What is the coolant to H2O ratio that seems to work best?

Thanks to all who are willing to help!

-john

'74 2002 (Non-Op)

'74 2002 (Good to go)

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Point it @ the Temp sender housing right after you shut down should be as accurate a reading as the "Lazer" can provide. Hoses are insulated and the radiator is, well, a radiator it is supposed to be cooler. The T-Stat will tell you what degree it is as it is stamped right on the housing.

But you really need to answer a few questions like how old is the Radiator, is it weeping, is it a 2 row or 3 row if you have a tii, are there any other leaks, what is your timing situation, are you backfiring on decel, do you have a bad ground on your temp gage and or your VDO sender, just to name a few.

post-2154-13667593913397_thumb.jpg

But what do I know

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