There has been some very good points brought up by the fellas here. I think this is a great topic as this problem has bit a few of us in the tail-feathers.
We have covered possibles:
Bad flywheel / ring gear teeth, usually caused by a hosed starter or that lost bolt you dropped.
Voltage drops to the starters, hot and cold (normal bug with these cars)
Starter defects- bendix, spring and solenoid.
Rebuilt vrs New
A little history:
Even after I replaced the ignition switch, the battery and the starter. I had a few slow cranking times. So I decided to try and do something about it. I admit I 'm a sucker for new fangled ideas from time to time so laugh if you must. This is no carnie snake oil solution. It works....
I went out to ebay and picked up one of these
http://cgi.ebay.com/ebaymotors/ws/eBayISAP...&category=46101Now before some of you burst from the seams laughing until you turn blue, AND I hope you DIE!
Back to being serious, I had a Miles moment....
Let me queue you in on my findings. I did the install as in the directions. Popped my ass in the seat and hit the key. Before without the relay setup it would crank over, but as you know not with the vigor you would expect from a new car. Now when I hit the key it cranks strong. I even notice that when I have had a few of those times, when the car used to get a wild hair up it's ass during my tweaking periods and not fire over quickly
(usually do to a operator headspace error)"Well shit! I left that wire off AGAIN!"
Now it is dummy proof , the little fucher turns over like a champ even when it is hot.
Hey what do you have to loose? I spent the bucks to try it out and this was my outcome.