390 with 2 different heads?
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Joined: May 2015
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From: Missouri
390 with 2 different heads?
So while going through my new to me bump, I notice the heads are different castings. FE-390, C8EA on one side & D2T on the other. I know they are basically the same, valve size anyway. The C8EA looks like it had provisions for emmissions, now plugged with Allen head bolts. Any worries here?
Thanks,
Mike
Thanks,
Mike
Fleet Mechanic
Joined: May 2001
Posts: 1,396
Likes: 4
From: Cupertino
I ran a 302 Cougar for 75,000 miles after I bought it. When I tore it down I found two different heads. I rebuilt it with matching heads just to be safe.
If you are just driving the thing, you have no worries.
Just an opinion.
If you are just driving the thing, you have no worries.
Just an opinion.
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 785
From: Simi Valley, CA
Engine rebuilders would install whatever heads they had laying around, so it's somewhat common to find two different heads on FE engines.
C6AZ-6052-A .. Plug-Cylinder Head Exhaust Air Supply / 1/2" -20 x 1 11/32" hex head / Used to plug T/E (smog pump) holes in cylinder heads / Obsolete
1966/67 240/300 I-6 / 1966/68 352/360/390/410/427/428 / 1975/76 360/390.
C6AZ-6052-A .. Plug-Cylinder Head Exhaust Air Supply / 1/2" -20 x 1 11/32" hex head / Used to plug T/E (smog pump) holes in cylinder heads / Obsolete
1966/67 240/300 I-6 / 1966/68 352/360/390/410/427/428 / 1975/76 360/390.
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