rewguy wrote:For those of you who are familiar with the L-79 327 chevy engine, The oil filter boss portion of the block is very different from most other chevy small blocks. Maybe other earlier small blocks are similar to this, I'm not sure. The inside of the oil pump gasket "barely" seals against the block. There is a slight oil leak because of this. I am using an AC pf454 filter which is the filter it calls for. I need to find a filter with the same thread pitch and overall design, but has the gasket moved inboard about 1/4" all the way around. (as there is ample room inside to seal the gasket). Maybe my block is a little blemished on that edge as compared to others. I'm not certain why the inside of the gasket only seals against the block for maybe less than 1/32". Anyone ever had this issue or know of a filter that may work in replacing the pf454?
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