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rotorwrench · 05-17-2014, 05:41 PM

The 8BA 239 cid engines starting in 1948 stayed pretty much the same until the valve rotators came out in 1951. There were subtle changes for belt widths on frontal accessories and the 255 cid crank in the Mercury cars but that's about it. We ran 8BA/8CM cars normally when I was a kid and they would be smooth worn out by the time they had 150K miles if they even made it that far and that's with 2000 mile oil & filter changes. I'd be sceptical about any mileage above that.

The lever latch on the 49 doors was a one year only thing. They went to the rotating star wheel after that with only the trunk latches still having the lever type on some cars.

05-17-2014, 05:41 PM	#10
rotorwrench Senior Member Join Date: Jun 2010 Location: San Antonio, Texas Posts: 16,484	Re: Tudor in July Hemmings Classic Car The 8BA 239 cid engines starting in 1948 stayed pretty much the same until the valve rotators came out in 1951. There were subtle changes for belt widths on frontal accessories and the 255 cid crank in the Mercury cars but that's about it. We ran 8BA/8CM cars normally when I was a kid and they would be smooth worn out by the time they had 150K miles if they even made it that far and that's with 2000 mile oil & filter changes. I'd be sceptical about any mileage above that. The lever latch on the 49 doors was a one year only thing. They went to the rotating star wheel after that with only the trunk latches still having the lever type on some cars.