The Ford Barn - View Single Post

Jim Brierley · 06-14-2020, 11:57 AM

A/B blocks can be safely bored to 4" (.125" oversize), many were bored to 4.062" by racers back in the day. Your rust indicates water entered from somewhere, maybe just the head gasket?

06-14-2020, 11:57 AM	#8
Jim Brierley Senior Member Join Date: Jun 2010 Location: Temecula, CA Posts: 4,088	Re: Rusted block, repairable? A/B blocks can be safely bored to 4" (.125" oversize), many were bored to 4.062" by racers back in the day. Your rust indicates water entered from somewhere, maybe just the head gasket?