Hey guys so I had a problem with me KE70, it was leaking fuel from the bottom of the mechanical fuel pump, thought the pump was at its final days, ordered a brand new GOSS Mechanical Fuel Pump, installed it on the 4K, same issue occurring fuel leaking from the same spot. Just wondering if people have had the same or similar issue and things you did to fix it, I thought it might be one of either these things,

uneven insulator, did not scrape the old gasket off enough(I pretty much scraped it back to bare metal), just shitty aftermarket gaskets(they were plasticy ), the engine block is no longer flat, or just need to use permatex sealant.

Any response will be helpful.

FIXED

The return line fitting that you screw onto the mechanical fuel pump was leaking, used sealant around the thread to seal it up!!