The last 408 that I had oil issues with had bad main caps, pounded out of round. I unbolted the caps and they fell out of the block. It was as you describe, good OP at startup but nothing once the engine warmed up.
The last 408 that I had oil issues with had bad main caps, pounded out of round. I unbolted the caps and they fell out of the block. It was as you describe, good OP at startup but nothing once the engine warmed up.
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709