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**rs74** · 10-06-2019, 09:09 PM

So no mods to the firewall or anything to get the Cummins in there? I am having the idea of doing this to a K20 of the same style. I had read that they are a bit long and require some fab work to the firewall.

10-06-2019, 09:09 PM	#78
rs74 Senior Member Join Date: Jun 2010 Location: Illinois Posts: 2,957	Re: Slammed 1966 GMCummins 12v So no mods to the firewall or anything to get the Cummins in there? I am having the idea of doing this to a K20 of the same style. I had read that they are a bit long and require some fab work to the firewall. __________________ Roy 85 Short Bed Silverado- Work in progress. http://67-72chevytrucks.com/vboard/s...d.php?t=564818 1987 R10 shortie