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Old 09-01-2015, 10:21 AM   #9
Chevy Fleetside
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Join Date: Sep 2006
Location: San Francisco
Posts: 4,787
Re: 63 big block swap help

They will work. I used the rear holes and notched my firewall. I have 4" of space between the radiator and fan. I have a stock clutch fan and long water pump. If you use the forward holes the space is about 1 1/2 to 2" of space.
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65 Short Fleetside BBC
65 Long Fleetside 283 3 on the tree for now.
my build thread http://www.67-72chevytrucks.com/vboa...d.php?t=259536
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