Re: 327 Straight 8 Timing

Posted by Walter On 2012/8/26 11:05:23

It sounds like two separate issues to me. Yes timing can affect starting, but it should crank the same regardless.

Slow cranking after getting hot can sometimes be caused by the starter having built up resistance due to the heat. Do you have a way to check for current draw cold, then hot?

Also...if the starter is fine, then the battery may be losing it's charge while running (not necessarily heat related) If this is the case, then your battery will eventually go bad from the deep cycling. Check battery voltage battery before you start, while starting, and when running right after first start, then check again after it's warmed up. Finally, check the battery voltage about 5 minutes after you shut down.

That's where I would start....both tests only take a minute or two and can tell you a whole lot of information.