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Old 10-06-2019, 09:17 PM   #79
slimjim66
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Join Date: Nov 2017
Location: Toronto
Posts: 158
Re: Slammed 1966 GMCummins 12v

Quote:
Originally Posted by rs74 View Post
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.


i haven't touched anything on the fire wall, i did have to cut out the top of the trans tunnel where the pinch weld is, the 47rh is a bit tall for for it to fit when i Z'ed the frame in the front. if your doing a K20 i doubt you will cut the frame where i did so you'll be fine with clearance. i can post more pics if you want just let me know what you need. other than that the engine mounts and pulley clearance was good up front.
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