Nicks fast back conversion

Today is the day ,Nick is going to assemble his motor . I have everything layed out but we need a few things like assembly lube ,distributor drive key and at least 1 quart of oil to soak the lifters
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We finally get time between us to finish up the motor and i dont believe this crap! Finally got the correct rod and main bearings ,crank sat right in ,torqued to specs and i can easily turn by hand ,now for the pistons ,we go to install the rings and ...wrong rings ! To thick for the pistons! Holly crap! So we decide to go ahead and install the cam ,goes right in easily ...untill the last bearing ! What the hell! I take the cam out thinking it may be the front bearing so I put the cam front in backwards and the first bearing goes right in ,that means its the last bearing in the block! It hits solid wont even start in ! Now I am hoping i can pull out the cam plug and knock out the last bearing and install a new one from the back end ,may be wishful thinking but we will see . I don't have a clue what the machine shop did ,mushroomed the bearing ,cocked it in who the hell knows but it time for a new machine shop thats for damn sure! I am going to knock out the cam plug and try inserting the back end of the cam into that bearing just to see if it will go in just that last bearing .
 
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Can someone one please explain this to me ,I have never seen it before!
I took a wood dowl and ran it through the block and knocked out the cam plug . Looks like someone stuck somthing in the bearing and lifted the block ,screwed the cam bearing big time . Looks like i can replace it through the back and install a new cam plug ,50 years of working on cars and I have never seen anything like it . It was done at the machine shop!
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I'm thinking on mine of going ahead and do the finish paint on the bottom before it comes off of the rotisserie. I was thinking full poppy red since it is not going to be a concours restoration. If I had money to burn even do the Shelby stripes on the bottom or would that be too much?
Something like this on the motorcycle engine paint? PJ1 Powersports engine paint
For the Epoxy primer are you using the Ditzler DP series or Summit? In the past we've mixed one red component with black to make a chocolate color of primer and more recently with the Summit Epoxy primer mix a gray kit with black to have our own custom Epoxy dark gray primer color.
 
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