If you are going to spend the money, Switch to a set of ford bearing ends and eliminate the c-clip setup. At that point narrowing it is an easy add on.
Go with a standard pump for a 396 or 454 70 chevelle. Not sure if you can get one from an auto parts store, but they worked fine on the super sports...
I'm of the old crowd. I had one until my leg didn't like it anymore. I am past the stick idea. I had my fun, went low 10's with a powershifted Jerico. Automatics for me going forward.
Airflow trumps compression. So unless you're talking going to a 76 cc head over a 64, the few cc difference either way in compression will make less power than a better flowing head. A 1.94 valve is about as big as I would go with on a 305 bore. Too big of a valve will start to cause...
Here is my take on OPGI. They advertise A LOT of parts, and A LOT of sales. But the last few years I have been trying to get parts for my 70 chevelle, they dont have it in stock and guesses as to when it will be in. The problem is they are usually 1 of the few places that shows the part I need.
I thought about doing that in my big block but I’ve had good luck with a nylon button and stock cover. I did have the cloyes cover on my last race engine but don’t know if it was worth any power.
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