Yes and no. Any head will bolt to any block ( except for the very first ones with no oil filter) but the intake manifold bolt pattern changed twice. Once in 87 and again in the 90s when they brought in the vortec. As long as u have the right intake manifold u will be fine
NO.
There are many places where one could purchase small block Chevy heads. Some of the best places to purchase small block Chevy heads at places like Amazon or Auto Zone.
a 350 is a small block those heads will fit on and Chevy SMALL block not a big block
it will fit on any Chevy SMALL BLOCK of the same generation of your LT1
small block
The deck is the surface to which you bolt the cylinder heads to.
Yes, the only small block Chevy flywheel that doesn't interchange is the small block 400 ci.
Yes, except for the 400 which has an externally balanced flywheel, and dampner.
About 43 Lbs.
read casting numbers and research on the web. Just Google small block Chevy heads castine numbers. These numbers are under the valve covers so you will have to take one off.
for all out horsepower the splayed valve Chevy head, or the sb2 or 18 degree after that
1970-71 Chevrolet Small Block 400cid heads.