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Old 04-28-2024, 10:32 PM   #305
JJH Jimmy
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Join Date: Jun 2012
Location: Schoolcraft, Michigan
Posts: 927
Re: Budget Build 1985 K20

Talk about a project that is never done! I couldn’t keep the 4l80e in what I would consider a safe temperature. It would get to 220 degrees in short trips when the ambient air was 60 degrees and I was afraid what it might get to in the middle of summer running the ac in traffic. I just had it hooked up to the trans cooler in the champion radiator. So I ended up getting the biggest Derale stacked plate cooler I thought I could fit and just using it instead of going through the radiator. Had to build some brackets to get it bolted to the core support. I took it for a drive this afternoon and temps were about 150 degrees. Success!
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1972 GMC Jimmy 4x4 LS Swap
1985 Chevy K20
1994 GMC Yukon
2021 GMC 2500HD Duramax AT4

My "It's a Jimmy Thing" Build
http://67-72chevytrucks.com/vboard/s...d.php?t=583528
Budget Build 1985 K20
http://67-72chevytrucks.com/vboard/s...d.php?t=801565
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