The Ford Barn - View Single Post

100IH · 08-04-2018, 10:27 AM

Cam lobe going flat, weak or broken valve springs, cross-fire in cap or body, Plug insulator going to ground intermittently, Bad intake valve guide or burned seat. Weak spring on ignition points.

08-04-2018, 10:27 AM	#9
100IH Senior Member Join Date: Dec 2011 Location: SW Idaho Posts: 971	Re: 1929 model a back fire Cam lobe going flat, weak or broken valve springs, cross-fire in cap or body, Plug insulator going to ground intermittently, Bad intake valve guide or burned seat. Weak spring on ignition points.