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Old 08-08-2010, 09:15 AM   #1
fred1968
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How to?

When changing from a 3 row rad to a 4 row you need to replace the upper and lower supports. Are the lowers welded or bolted in place?
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Old 08-08-2010, 09:19 AM   #2
jay6891
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Re: How to?

I believe mine were bolted into place with 5/16" bolts. 71 model chevy.
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Old 08-08-2010, 10:05 AM   #3
Alex Hayley
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Re: How to?

Mine were riveted. I used little button head bolts to put the new ones in.
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Old 08-08-2010, 02:25 PM   #4
grs
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Re: How to?

I changed from a 3 row to a 4 row. I did not have to change the supports. I had to change the rubber supports. I had to cut them a little to get it to fit.
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Old 08-08-2010, 02:52 PM   #5
67ChevyRedneck
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Re: How to?

Quote:
Originally Posted by Alex Hayley View Post
Mine were riveted. I used little button head bolts to put the new ones in.
As were mine and I did the same thing.
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Old 08-08-2010, 02:53 PM   #6
71swb4x4
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Re: How to?

Mine was riveted in. My original radiator was narrower than the new, so I had to move that lower support out to the wider position. Went from a 6 cylinder single row to a three row.
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