i bored one back in 72.took me 2 evenings.a shovel full of shavings each night.it lasted no problem an d didnt heat.i was on another side where a guy said he did several on sunbeam tigers.he warned not to use the 62 block.they were different with narrow mounts.so much for thinwall castings.
im surprised anyone askes this question and gets 10 different answers.ford v8 points have been .015 forever its the first thing you learned.chev .016 and dodge .018.the 6 ford is.025
there is a lot of confusion with the 239.all 54 car were EBU where the confusion comes from is the early trucks used the same engine.then in the middle of the year they went to the EBV block.its the same block all 55 239s used.it still had all the odd 54 parts but the block was the same as 55...
that strip was used on hardtops from 51 till 55.a few 56s still had it later 56 had a thicker frame.it was a way to reinforce the sedan frame for hardtops.
friend had a 54 merc for sale still with nylon tires.the car was a mile from his place this guy stopped and wanted the car.he didnt even want to take it for a drive friend talked him into driving it to his place.end of sale.these people expect a new car performance.on top of that they know zero...
ive done this swap.i use 302 truck mounts.you need to shim the bolts on the block 1/2 inch or it will set to low.there is another mount you can use but i never tried it.