Are these effective for reading the block and oil filter temps. I guess if you read the oil filter on any engine, that reading should be close to the actual oil temp.
http://www.harborfreight.com/non-contact-infrared-thermometer-with-laser-targeting-69465-8905.html
http://www.harborfreight.com/non-contact-infrared-thermometer-with-laser-targeting-69465-8905.html
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