The 350 has, over time, been the best, most versatile, small block, ever.
180 is best.
Aftermarket, aluminum preferred. One with massive cubes AND A WATER JACKET. They actually have a 454 SMALL BLOCK.
It depends on what you are going to do with them.Pulling big loads are hauling alot, the big block is nice.The small block is by far the best engine for all round use. It is cheaper to maintain too.
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.
You can increase the efficiency of an object by minimizing its energy consumption, reducing waste in its operations, optimizing its design for performance, and implementing regular maintenance and upgrades to ensure it functions at its best.
4, to 6 degrees advanced, or BTDC.
8 degrees
Gastrol are kendell with a A/C delco filter
190-200 is best temp any motor well run it, best performance's and life spanned
The best thing to do is buy the codex
M20 is a tricky engine to see significant changes in performance Naturally asspirated the best bang for the buck would be a performance chip from a reputable tuner Jim confronti chips as well as dinan chips are great a MAF swap will also get you some hp