My father-n-law has been workin on a 408 clevor, using a 351 roller block. He has found that the mains are jacked up a little, so now he is looking at using a different block.
I know the 69-74 are the strongest, with 69&70 having the deck height issues. He has another 1985 351 block, but I'm not sure that it is any stronger than the roller block. Anyone have any specs on the late 70's and 80's blocks?
Also, he has already bought an exspensive pair of solid roller lifters, which fit the roller block without modification. He thinks that they will work in a non-roller block. I don't think they will. Where is the difference in the blocks that require the retrofit rollers? I believe it is in the lifter height itself. Anyone care to enlighten me?
Joe
I know the 69-74 are the strongest, with 69&70 having the deck height issues. He has another 1985 351 block, but I'm not sure that it is any stronger than the roller block. Anyone have any specs on the late 70's and 80's blocks?
Also, he has already bought an exspensive pair of solid roller lifters, which fit the roller block without modification. He thinks that they will work in a non-roller block. I don't think they will. Where is the difference in the blocks that require the retrofit rollers? I believe it is in the lifter height itself. Anyone care to enlighten me?
Joe