usually ignition timing advanced too far will cause this, cold = fine, hot very difficult for the starter to turn engine, slow turn with almost stop at
each compression stroke or wont completely turn engine at all, usually with
hi compression engines.
Motorsforum.com is a website by car enthusiasts for car enthusiasts. It is not affiliated with any of the car or spare part manufacturers or car dealers discussed here.
All logos and trade names are the property of their respective owners.