Fuel economy was definitely down after I installed my grossly over sized transmission cooler with thermostat.
The thermostat didn't work as advertised and it made my transmission run real cold.
I basically added 3 transmission coolers, one with a fan to my suburban. Then shortly after the T/C lock up just quit. That's why I have only ran 2 tanks of diesel in it since December (and its still nearly full).
Question: How to hook up a transmission cooler - Diesel Place : Chevrolet and GMC Diesel Truck Forums
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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
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