Ive been researching , and before I go and start hacking away and welding, I just want to make sure Ive got the jist of everything and concept correct. Im going buy a brand new tank from Advanced auto as to not have to take the time to clean the other. I will be buying the competition sump kit. Running dual -8an to a paired of Bosch 044's. Then both feeds will meet a -8an yblock to one line, thus feeding the rail. Then using the original feed line as a return. Now the actual physics of the process. I understand I want a downhill angle from the sump to the pumps to make sure I dont get vapor lock correct? Does the angle from the pumps to the rail matter?

 

I'd say you're teetering on the point in which the stock return will be too small and restrictive. I would highly advise bumping up to 6AN return at the least, or just go and put an 8AN return and never look back.

Mount the pumps as they are designed to work, horizontal. Pumps are pumping fluid, not directing it, the fluid will get to where it needs to go matter which way the pump is facing, as long as it is working correctly. I'm not 100% sure how well the Bosch 044's are on the suction side, but I'm pretty sure they need to be below the tank.

Another point worth saying, when you sump a stock tank you cannot let it run too low, or you risk starving the pumps. Starving any pump will destroy it, and it doesn't have to be starved for very long. Not to mention all of the other issues behind starving your fuel pump (IE, no fuel getting to your engine, etc etc etc). So make sure you keep fuel in the tank at all times when running.

Hope that helps.

 

Helps alot! Thank you. Now as far as mounted them horizontal, there on a bracket and it will be mounted, Ill take a picture when I get to the shop.

 

They do not need to be below the tank.

Return should be aftermarket.

Everything soviet said +1

 

SMDH my first thought was fish tank LOL. That's what I get for clicking new threads instead of searching by forum.