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Old 02-19-2015, 06:35 PM   #7
Super73
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Join Date: Nov 2007
Location: Bay Area, Ca
Posts: 2,841
Re: Coolant temp sender idea

It will read differently in the head. Heck, I have the factory one in the drivers head (front of cyl #1) and it reads different than the autometer one installed in the passenger head (behind #8). At first I thought the gauge was off until I pulled the sender and hooked it up in a pot of water. Verified it was correct.

My buddy with a 67 LS1 has his set up the same way I do. He sees the same issue.

About 10% difference for both of us. IE the passenger rear is 10% hotter than the drivers front.
__________________
------Motor---------------Bottle
60'---1.53---------------1.41
1/8---6.58 @ 105.92----5.87 @ 118.41
1/4---10.38 @ 126.97----9.24 @ 142.49
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