Rosehill Performance sells a header tank. Header tank being a small(1 Qt-ish) seperate fuel tank to house the high pressure fuel pump. As the tank is relativly deep for it's size ther are no slosh prerventing baffles needed in the fuel tank, pump has a constant supply of fuel. No fuel starvation & fuel pressure loss, engine shut down. Inline FP's alone don't prevent fuel sloshing away from the fuel pick up, only thing to do is not allow fuel level to frop below 1/4 tank remaining. Submerging a fuel pump not only allow pick up at the pump, fuel also acts as a pump coolant. Pump lasts longer.
I have been using a Rosehill header tank since 2004. The header tank does require a low pressure pump to keep it full. The problems I've encountered all are due to using fuel hose(not fault of header tank) that is not resistant to ethanol, which deteriorates hoses, cure for that is to use "green stripe" ethanol resistant hoses.
http://www.rosehillperformanceparts.com/Products_Page.htm
You may have to call Glen about one.

Thumperdud wrote:

If there is a third or forth option I'm open to it, but has anyone had experience with intank efi fuel pumps for their classic? 

Im trying to find the most straight forward install and the mods be around $500 or less. Possible?


 

If you truly want the most straightforward install, I'd say it is to install an external inline pump. Mount it below the level of the tank and have at it. I've never had any issues with sloshing and fuel starvation.

James' new setup does look slick.