[slikside]

Originally Posted by ImNoSpaz

As far as I know they are different, and it depends on wether or not you want to pound your firewall in. Myself and Pops are putting a 454 Vortec in a 67 right now. He basically copied the frame from a 69 as far as narrowing it just rear of the motor mounts so the exhaust would fit. The mounts he used are stock big block mounts he says were used on Canadian models?

There is plenty of clearance between the valve covers and firewall, BUT we have to use electric fan/s because of clearance to the radiator...and his insistance on serpentine with the long water pump. He is happy with that tradeoff.
Also, this is a low hump cab.

Here's a couple pics

Man, that looks like one sweet ride comming together for you and your dad!