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rotorwrench · 05-26-2020, 02:17 PM

The frame was even damn near the same but longer forward of the firewall. They even had that weird wishbone ball adapter to move it forward to the new wheel base. I think they just wanted it a bit heavier duty for the new Mercury 239 CID engine so they did away with the spline coupler and made the shaft solid. A few years later they changed back to the normal Ford design with the coupler but the war put a stop to production in early 1942 .

05-26-2020, 02:17 PM	#11
rotorwrench Senior Member Join Date: Jun 2010 Location: San Antonio, Texas Posts: 16,431	Re: 1940 merc rear end? The frame was even damn near the same but longer forward of the firewall. They even had that weird wishbone ball adapter to move it forward to the new wheel base. I think they just wanted it a bit heavier duty for the new Mercury 239 CID engine so they did away with the spline coupler and made the shaft solid. A few years later they changed back to the normal Ford design with the coupler but the war put a stop to production in early 1942 .