Engine temps...

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Dec 16, 2009 | 04:38 PM

Apocolips

Thread Starter

Drifting

Joined: May 2002

Posts: 1,546

Likes: 282

From: Back in Nebraska

Engine temps...

I just bought an infrared temperature sensor and discovered a big discrepancy in temps on my engine. It seems that the left side (driver's) of my engine is running about 100 to 150 degrees cooler than the right side. This goes for the temp of the cylinder head and exhaust manifold. The temp of thermostat housing reads about 185 with a 180 degree thermostat. The car seems to run fine. Should I be concerned.

Dec 16, 2009 | 05:28 PM

weimer20

Burning Brakes

Joined: May 2007

Posts: 945

Likes: 0

From: Ventura California

I wouldn't be concerned. I would bet it is due to the circulation pattern of the coolant through the block..

Dec 16, 2009 | 05:35 PM

forvicjr

Burning Brakes

Joined: Jul 2009

Posts: 1,132

Likes: 14

From: A town SC

Quote:

Originally Posted by Apocolips

All small block chevys run hotter on the left bank. nothing to worry about. that temp at the t stat is ideal. 160 to cold 200 to hot.

Dec 16, 2009 | 05:44 PM

cherrybombc3

Burning Brakes

Joined: Jan 2006

Posts: 957

Likes: 6

From: Burlington wisconsin

Quote:

Originally Posted by forvicjr

All small block chevys run hotter on the left bank. nothing to worry about. that temp at the t stat is ideal. 160 to cold 200 to hot.

He said he is running cooler on the left bank, not hotter.

Dec 16, 2009 | 05:49 PM

forvicjr

Burning Brakes

Joined: Jul 2009

Posts: 1,132

Likes: 14

From: A town SC

Quote:

Originally Posted by cherrybombc3

He said he is running cooler on the left bank, not hotter.

Ment cooler on the left. Read about this in chevy power.

Dec 16, 2009 | 05:52 PM

doctorgene

Drifting

Joined: Jul 2007

Posts: 1,889

Likes: 23

From: Kansas

If and when it boils over, should you become alarmed. If it's not boiling over, It's not overheating. Have a nice day. Gene

Dec 16, 2009 | 06:02 PM

forvicjr

Burning Brakes

Joined: Jul 2009

Posts: 1,132

Likes: 14

From: A town SC

Quote:

Originally Posted by doctorgene

If and when it boils over, should you become alarmed. If it's not boiling over, It's not overheating. Have a nice day. Gene

depends on coolant mix,cap press rating. you could limit boil over to 275 or better

Dec 16, 2009 | 06:13 PM

Apocolips

Thread Starter

Drifting

Joined: May 2002

Posts: 1,546

Likes: 282

From: Back in Nebraska

Thanks all. I had never heard of the heat difference. It sure makes me feel better. Merry Christmas to all.

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Dec 16, 2009 | 08:59 PM

7T1vette

Team Owner

Joined: Jan 2006

Posts: 37,637

Likes: 3,112

From: Crossville TN

I would bet that the heat riser valve on your right exhaust manifold is stuck in the 'closed' or partially closed position causing it to run hot. If so, you need to fix it or, at least, wire it open. You can do some real damage to the engine if the riser valve is closed and you run it at highway speeds for very long.