oil filler in the valve cover =155
oil filler on side = 145
Just a swapped valve cover. 155 wouldn't have an oil filler tube.
Just picked up this 40, Nov 1969 build date. Was shocked to see the F155 sticker on the side because I had assumed it would be a F145 as it was before the domed pistons. Is this correct or did a PO swap something? The guy I bought it off only had it for two years and couldnt tell me much. Thanks!
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Oct. 71 would be a 72 model which had oil fill in the valve cover. Would also have a one piece hood, stamped louvers in the side of cowl which were 72 model changes.