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brett4christ · 04-18-2018, 09:48 AM

OK, a little more info requested...

I went back to snap a shot of the engine number stamping yesterday, but the pad on the side of the block was blank. I have since learned that, on B engines, this pad is blank and the B number is on the flywheel housing. My problem there is...I don't have the housing!

Now mind you, the oil pan stops at the rear main cap and has a knife-edge (not a rolled lip) that creates the seal. Pulling the pan, the crank is definitely counterweighted and the cam has a fuel pump lobe. I don't remember seeing a fuel pump boss or port through the side of the block.

Could this be a service replacement "A" block that came from Ford with a counterweighted crank and B cam? If so, would the crank be turned down to fit the A block, or would the block have larger journal bores? (Like a dummy, I didn't have my calipers to measure the rod journals!!)

Any ideas???

04-18-2018, 09:48 AM	#31
brett4christ Senior Member Join Date: May 2012 Location: Greenville, NC Posts: 117	How much better is a B block than an A? OK, a little more info requested... I went back to snap a shot of the engine number stamping yesterday, but the pad on the side of the block was blank. I have since learned that, on B engines, this pad is blank and the B number is on the flywheel housing. My problem there is...I don't have the housing! Now mind you, the oil pan stops at the rear main cap and has a knife-edge (not a rolled lip) that creates the seal. Pulling the pan, the crank is definitely counterweighted and the cam has a fuel pump lobe. I don't remember seeing a fuel pump boss or port through the side of the block. Could this be a service replacement "A" block that came from Ford with a counterweighted crank and B cam? If so, would the crank be turned down to fit the A block, or would the block have larger journal bores? (Like a dummy, I didn't have my calipers to measure the rod journals!!) Any ideas???