Fuel pump specs

[HFStuart]

Does anyone out there have the specification for the mechanical block mounted fuel pump on Betas ?

In particular I'm trying to find out it's working pressure and volume at a given rpm.

Thanks,

Stuart

[Jim Keller]

This probably will not help you since this is for 79 US spec cars, but I think these are the numbers your asking for, at least in 79 US spec??

Hydraulic fuel pump delivery:
1st cond: 0.214 cu in or 3.5 cm3, 2nd cond .397 cu in or 6.5 cm3

I know typical carb applications for stock US carbs runs around 3 to 4 PSI but I have seen them higher depending on application

I presume 1st cond is idle? and second at speed? I dopn't know, it isn't really spelled out beyond that in the book

[Jim Fierst]

I have a 79 USA model with electric fuel pump pulling fuel through a large filter in the rear and pushing through a smaller see through filter at the front. I have a small in line pressure gauge after the front filter which reads a consistant 2 pounds of pressure. The fuel system recirculates the excess back to the tank. Both the filters are new. On my Scorpion some years back I ran a regulator set at 2 lbs.and the same pressure gauge . With dual DCNF's it worked fine for street use.