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Old 02-18-2014, 01:49 AM   #58
COS399
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Join Date: Dec 2013
Location: Northern, MT
Posts: 569
Re: 89 GMC Cummins conversion

Quote:
Originally Posted by v-man View Post
Nice truck! Gotta love those 89 Jimmy's. The dieselwrencher is right. My tranny was heating up with similar cooler placement and it was apparent my skid plate was restricting air flow so I added a fan on a toggle switch which helped. But when towing heavy my tranny temps where still on the hot side so I squeezed another cooler between the grill and the innercooler and hooked them together in a series loop. Now my tranny temps are awesome and I rarely use the fan. Keep up the nice work.
V-man, Thanks for the compliment and sharing the information on the trans cooler. I have mine on a thermostat and I will definitely keep an eye on the temperature gauge. I'm not sure if my 5th wheel toy hauler will fit on it anymore now that it is lifted. If it doesn't fit then I may just have to use my '88 CC DRW R30 12valve Getrag tow vehicle.
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