The Ford Barn - View Single Post - 1934 spark plugs C-4-X

DavidG · 01-23-2014, 09:20 AM

Pre-October, 1932 V-8s which explains your friend's interest in them. Plain C-4s (no X suffix) were used from then on, including on four-cylinder engines.

01-23-2014, 09:20 AM	#2
DavidG Senior Member Join Date: May 2010 Location: southeastern Michigan Posts: 10,101	Re: 1934 spark plugs C-4-X Pre-October, 1932 V-8s which explains your friend's interest in them. Plain C-4s (no X suffix) were used from then on, including on four-cylinder engines.