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fordwife · 07-01-2020, 01:43 PM

All ford v8 heads,flatheads from 39 aand up have 14mm spark plugs. some in the early 30s had 18 mm plugs if I remember right.

07-01-2020, 01:43 PM	#3
fordwife Senior Member Join Date: Dec 2015 Posts: 287	Re: Compression tester All ford v8 heads,flatheads from 39 aand up have 14mm spark plugs. some in the early 30s had 18 mm plugs if I remember right.