Any ideas on what the exhaust temperature on a diesel should or could be... I shot about 10 areas on a 190D 2.2 with a temperature indicator gun... The engine has just been driven about 20 miles and idled for about 5 minutes and the engine temp was a hair above 90 C. I got 190 where the coolant came out of the head/block and went in the top of the radiator, about 190 where the coolant came out of the head/block and went in the heater, about 160 where the coolant came out of the bottom of the radiator.. I did those shots to check the gun because the highest temp on the exhaust manifold was 195 and about 160 on the exhaust next to the transmission. I thought the temperatures would be a lot higher... I want to use part of the exhaust to heat used veggie oil... Any ideas out there would be appreciated... Jim

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James A. Harris