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I recently bought a set of ss headers from FMS for my 5.8. My problem is the removal and clearance for the # 4 plug, you know, the hardest one to get at on the passengers side .
I currently have the engine on a stand and am about ready for the install in my 92 F-150 4X4. The heads are World windsors C.I. & the plugs appear at the same angle as on my 302, and it appears like an impossibility to remove the plug without removing the header come time to replace the spark plug. FMS claims they will work on the GT40 heads with angled plugs. My thought was to space the header with another flange sistered to the existing to gain the clearance. Has anyone had a similar problem, and if so what was your solution ?
My other ? is what do you all think of the jet hot ceramic coating of the headers?. Good or bad or whatever.
Thanks for your opinions and solutions.
I have one plug that's tough to get at. I have to use an open end wrench that I grinded the tips back a little. Would that work for you? Jet hot is definately a good idea. My buddies are 6 years old and still look new.