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Old 07-19-2019, 10:31 PM   #176 (permalink)
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the dorman ones are junk though, get gm, easy was to check, if the white one is yellow/brown looking, they be bad
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Old 07-22-2019, 08:38 PM   #177 (permalink)
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So, these came with all sorts of coolers from the factory - the long skinny one in the driver's side is for the power steering fluid. The itty bitty one on the front of the rad is the trans cooler, but it's also plumbed through the radiator. And the engine oil cooler runs through the radiator on the driver's side.



Here's the TruKool 40k installed - notice the difference in size!

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Old 07-22-2019, 08:42 PM   #178 (permalink)
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Also did the "NorCal mod" to the front wheelwell - this is just a fancy way of saying, "I took the cutoff wheel and did some moderate butchery to the steel that was rubbing on my tires."

Difficult to explain (check out YouTube for details), but suffice to say it took 45 minutes per side with a BFH, death wheel, some snips, grinder, and a can of black primer.

Before:



After:

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Old 08-08-2019, 05:43 AM   #179 (permalink)
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Just finished a long road trip - 1600 miles - and pleasantly surprised. The fuel mileage really didn't seem to drop much at all with the larger tires. I got 13 mpg, which is about the same as I was getting with the stock tires.

Next up - 4.56 gears.
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Old 08-18-2019, 08:27 PM   #180 (permalink)
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Hey bulletproof when you added the trucool did you bypass the radiator or leave it plumbed through?
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Old 09-27-2019, 12:43 PM   #181 (permalink)
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In for updates.

I am looking closely at shocks/tires/front suspension and was hoping you could provide an update on your setup.

Stuckintx, I did the same cooler on mine a while back and kept the Rad in line. I also replaced all lines at the same time (there are 3 in total).

I have towed quite a few times through the summer and I never saw anything greater than about 190. One load in particular was probably 8K lbs through the hills in NW Arkansas...
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Old 09-28-2019, 02:19 AM   #182 (permalink)
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In for updates.

I have towed quite a few times through the summer and I never saw anything greater than about 190. One load in particular was probably 8K lbs through the hills in NW Arkansas...
What thermostat are you using?

I started back in the days when you put in a 160* thermostat and got concerned when things got up to 185*. Now a lot of rigs have 210* thermostats. I know the fan won't kick in on my Suburban until it reaches above 230*.
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Old 09-30-2019, 08:28 AM   #183 (permalink)
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What thermostat are you using?

I started back in the days when you put in a 160* thermostat and got concerned when things got up to 185*. Now a lot of rigs have 210* thermostats. I know the fan won't kick in on my Suburban until it reaches above 230*.
Stock, which I think is 190 or 200
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Old 10-15-2019, 11:20 AM   #184 (permalink)
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still rocking the burb?
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