454 install and fitment ???? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

TP from Cntl PA · 08-25-2006, 08:50 AM

The guy who had my K put a 454 in it with a SM465............It was tight on both ends, the GM HEI distributor was so close to the firewall, anything more than a piece of paper wouldn't fit behind it..............And with the fan shroud on the radiator, it was close on the front side too if you ask me. They made their own motor mounts from the small block ones and cut and rewelded them to use the stock holes in the frame..........Which would have worked, if they then did cut half of the backside of one off to clear the exhaust manifold on the passengers side.

08-25-2006, 08:50 AM	#3
TP from Cntl PA Registered User Join Date: Apr 2003 Location: Central PA....In the Berg of Nisbet Posts: 790	Re: 454 install and fitment ???? The guy who had my K put a 454 in it with a SM465............It was tight on both ends, the GM HEI distributor was so close to the firewall, anything more than a piece of paper wouldn't fit behind it..............And with the fan shroud on the radiator, it was close on the front side too if you ask me. They made their own motor mounts from the small block ones and cut and rewelded them to use the stock holes in the frame..........Which would have worked, if they then did cut half of the backside of one off to clear the exhaust manifold on the passengers side. __________________ '72 K-20 EFI'ed 250 Inline/4spd stake body, Farm Truck '71 C-20 Cummins Diesel Powered, In storage thanks to $5.00 diesel! '69 3500 GMC 305V-6/4spd, Still under reconstruction.......... Inlines Rule! 6 soldiers standing is better than 8 laying down!!!!!!!!

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