Question on Fuel Pump Replacement

Does anyone know how much the in tank r56 Cooper S pump flows? Been searching forever and haven't found any specs.
Don't really have an accurate way to test at the moment.
Doing an engine swap and want to know if a walbro 255 is an upgrade or not
Thanks shot in the dark I know

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This post was auto-generated based upon a question asked on our tech article page here: MINI Cooper R56 Fuel Pump Replacement (2007-2011) | Pelican Parts DIY Maintenance Article

[Nick at Pelican Parts]

A good rule of thumb is a pint in 30 seconds.

- Nick