Thread: 427 or 428 - How do I tell?
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Old 11-23-2010, 07:52 AM
BBQCYCLEWERKES BBQCYCLEWERKES is offline
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Join Date: Nov 2010
Location: Albuquerque, N.M., NM
Cobra Make, Engine: 2007 BDR FR Boss 302
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I think I am correct, but a 427 has the 4 bolt mains with bolts coming from the outside of the block and the 428 has 2 bolt mains. The 427 side oiler block also has screw in plugs on the side of the block and the 427 top oiler has press in plugs. I know you can have the top oiler block tapped to accept screw in plugs but that is another story. B.Q.
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