Mine is a Mastercool 52224 around $75 and its purty much dead nutz... I wore the first one I brought out I got it sometime in the very late 80's are early 90's... They are not accurate on every thing but most automotive applications they work great...
The other question about were you shoot it at YES the exhaust side of a head are around a exhaust manifold the surface temps will be much higher than the coolant temp...
Try one on yer N you will find the exhaust side top of the cylinder head to run around 400 deg. :shock: On a chebby small block were the temp sender is in the side of the head the head will run much hotter than the coolant sender reads...
That's why he needs to shoot his IR around a part that is not affected by other heat sources like the exh side of a head if he's trying to figger the coolant temp out...
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Today's Featured Article - Sunday Drives - by Cowboy. Summer was finally upon us here in Northern Maine. We have two types of industry up here, one being "Forestry" (Wood Products) and the other "Farming" (Potatoes). There is no shortage of farm tractors and equipment around here! I have been restoring old Farm Tractors for the past 6 years, and have found it easier and less expensive to hit all the auctions and purchase whole tractors for parts needed. My wife who works at a local school, and only has weekends and summers off, while on t
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