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Old 05-14-2017, 10:15 AM   #13
DieselSJ
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Join Date: Jun 2016
Location: Phoenix, AZ
Posts: 574
Re: Radiator, 4-core for 1969 c-20

2 big cores actually cools better than 4 small cores. We kept fighting cooling issues in our desert racer and had a radiator guy make the recommendation to move to the 2 large core setup and the cooling issues went away. I have one of the plastic/aluminum 2-core in my 87 R30 and it has no problems with my 454 towing with the A/C on in the middle of an Arizona summer.
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87 R30 CC Dually, TBI 454, NV4500, zero rust barn find
87 Jeep Grand Wagoneer, 6.5 turbodiesel, 700R4
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