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Old 06-15-2004, 04:50 AM   #1
1986Silverado
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Going to a larger radiator....maybe

I am replacing my stock radiator which is the 29x19 core and was wondering if I went to one that was a 29x21 what would be required to install it....make it fit? Thanks
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Old 06-15-2004, 10:45 AM   #2
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i dont know the sizes but i assume you mean a 3core to a 4 core.... i just did this swap, you need the 4 (2 upper and 2 lower) insulators, and the mounting plate for the top. you will need a fan shroud if you plan on running one, the 3 core one wont work.
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Old 06-15-2004, 02:03 PM   #3
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The cores are still the same but I was told it was 2 inches taller than mine. Then I looked at lmc's catalog and they do not list one that is 21 inches tall....so maybe he measured it wrong.
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Old 06-15-2004, 03:32 PM   #4
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he may have been mistaken, you can get a 4 core from autozone for like $150. the insulators are like $4.00 each, and then the upper mounting plate... its really not a bad deal, and too easy to put in.
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