Thread: How do I know which 351 I've got?

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6 bolts on the valve cover, it's a Windsor
8 bolts and it's a Cleveland or Modified

If it's factory, it isn't a Cleveland, trucks never had 'em. The Windsor has 302 style heads, the M has staggered valves with wider covers (400 heads). The Windsor is the better engine.

Originally Posted by R Pope

If it's factory, it isn't a Cleveland, trucks never had 'em. The Windsor has 302 style heads, the M has staggered valves with wider covers (400 heads). The Windsor is the better engine.

check this out as to the better engine.

http://www.fordmuscle.com/archives/2...d400/index.php

Originally Posted by 48steel

check this out as to the better engine.

http://www.fordmuscle.com/archives/2...d400/index.php

A 7 year old thread, I imagine he's got it figured out by now, don't you think?