bottom engine pulley wobble?
Hi, 69 GTO convertible, 1965 Pontiac 421 motor, very well built, brand new performance parts inside and out. While prepping for Spring, i noticed that the bottom pulley (crank) had a wobble to it. You can really notice it. I took off the belt, then removed the pulley assembly, hoping this was the issue.
Running the motor like this for a second, I can still see a very slight wobble on the inside large nut, it is very noticible with the pulley on but you can still surely see it. It is wobbling ~.5cm, not alot, but enough that it not looking very safe and your like "what is going on there"?
I have not idea what is causing this and what to do to figure this out and fix it or troubleshoot it.
Asking for some help on how to approach fixing this.
Thanks in advance. I am heading out to garage, my brother is bringing over a "puller" but we do not know what to look for and going by instinct.