ive got 2 bosch external fuel pumps but how can i find out the flow or what they was off
adam

bosch 0 580 464 041
849 23
86bb 9350 aa
-----------------------------------------------
bosch 0580 453 916
171 08
867 906 091b

Get a litre of fuel and time them to see which empties it fastest then work backwards with maths

Probably find it listed here somewhere.

http://www.fuelsystem.co.uk