Reply to "Fuel tank pick up"

A bottom "drain" location works the best theoretically but any fitting into the existing plug and subsequent fuel line, no matter if was even part of the tank (as if it could be), was not high enough for safety.

The bottom of the existing tank really is as low as anything can be...safely.

I even changed the original factory drain plug over to an internal Allen hex key drive. Now nothing on the tank hangs down.

It is ironic that on this car, most available space already had been optimized in the original design.

3/8" thin wall tube would be optimum for fuel delivery on this car. I know -8 is used in professional drag racing but there is no way, even with the Webers that would be even close to necessary on a P car.

There is an interesting foot note to fuel quantity though which is somewhat related. The Mazda guys running the Wankles with 48ida's need to increase the size of the fuel reservoir in the carbs.

The new EMPI ida copies have that as an option where the reservoir car be enlarged 11%.

I find these all engineering issues though like you would have in a race car. A solution to a problem in one area creates an issue in another that was never seen before until you reached a certain level.