Re: how to rotate motor backwards
glad to hear you have it figured out. FYI here is a tip along the same lines if you have one really locked up(similar to what Bob Tiley mentioned).
I seem to collect a lot of junk small chevies, and probably half of them have been frozen up bad. Here is what I do if they are locked up good enough. I have a flat, 3 inch wide, roughly 3 foot long piece of steel that I drilled two holes in. The holes are the distance apart of two of the bolts on the rear mounting flange. I just thread the bolts right through my homemade breaker, and right into the crank and bust her loose. Tons of leverage this way, and not much risk of damage!
I keep this thing laying around all the time, cause occasionally, they are locked tight enough that I get nervous about the amount of pressure Im putting on the crank bolt. Little bit of kerosene and PB blaster dumped into the cylinders is part of the method for the bad ones. Oil Im sure would help also, but its assumed they are well rusted up(one sat in a field for probably 3 years)
Granted...this is overkill in most situations(like with a fresh motor)...but it is sometimes necessary so I figured Id share since we are somewhat on the topic.