Just spent about 3 hours mounting my fuel pumps on my Safari tank and wondering if I need to spend some more time. The tank is currently hanging in the garage with fuel in it to check for leaks but this is not exactly real world testing. The instructions left a lot to be desired....I read conflicting accounts as to whether to use the supplied flat gasket...it did not fit correctly (about 1/4" undersized hole). I also found threads that suggested the rubber is not fuel resistant (wtf!!!), so I left it aside, sanded the inside of the tank's o-ring surface and relied on the OEM seals to do the job...very dubious about that! So far no leaks but...thinking about making my own flat gasket to back that up. And no, "pumps" was not a typo. I have a spare pump and I had to drill out and file the mounting holes on both pumps to account for the misaligned tank holes. Kinda tedious at 2am in a 31 deg garage! Any feedback on the best method?