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Big Block Cadillacs
Mechanical drawings /cyl head
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[QUOTE="gordon, post: 207713, member: 4581"] Very challenging indeed. I already have addressed the intake port face issue with the heads, now I have to correct the dowel pin hole locations. They were not even close and way oversize. Looked like they were drilled using a broken drill bit in a drill press with bad spindle bearings. I will ream them, plug them , then drill and ream to correct size and location to fit standard block dowels. At least one head stud hole on each head needs to be spot faced. On a Cadillac head the angle of the intake port face is supposed to be 90* to the deck. Mine were off to were there was a .062" gap at the bottom . If some one where to bolt on an intake manifold they would have a massive vacuum leak and probably be sucking oil into port from lifter valley. I have seen this many times on manifold swaps. I have no desire to call and attempt to get warranty issues handled. The shipping and time involved even if they agreed to send me a set of correctly machined heads puts me off. Any how I am going to finish the corrections make notes and post on here for others that might use the info. When I was racing full time I won many races and several championships I never held back info or help to others . Many were customers of mine some were not. I made money from the shop not so very much from the racing prize money. When they won I won. I will shut up and go back to my corner now. [/QUOTE]
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Big Block Cadillacs
Mechanical drawings /cyl head
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