I don't know what kind of tools this guy has access to, but for me I wouldn't even do any measuring.
From under car with cordless drill gun, into the required length extension if needed, to right angle drive
adapter with small drill bit installed. Since I'm still not yet cross-eyed, it should be very close to dead on
center of fuel pump assembly. You can get better with a chuck but this would work:
From under car with cordless drill gun, into the required length extension if needed, to right angle drive
adapter with small drill bit installed. Since I'm still not yet cross-eyed, it should be very close to dead on
center of fuel pump assembly. You can get better with a chuck but this would work: