Tim, No number stamped on the flat to the rear of the distributor. Clean and smooth. I always thought that meant it was a replacement engine from the factory. I've seen numbers stamped there on other engines, like my previous 235, but there's nothing on this 261.
The number cast into the block is 3769925. A241 (Jan 24, 1961?) also cast.
When I put the final touches to what the engine guy rebuilt in 2004, I put in hydraulic lifters. This was 16 years ago and I'm remembering the block being drilled for hydraulics. Me? Remember??
Tim, perhaps I should offer the prize in the picture for the correct answer to my problem noise.
Last edited by Wally / Montana; 08/17/20201:58 AM.
34 Years. Now with a '61 261, 848 head, Rochester Monojet carb, SM420 4-speed, 4.10 rear, dual reservoir MC, Bendix up front, 235/85R16 tires, 12-volt w/alternator, electric wipers and a modern radio in the glove box.
