If you don't have a measuring bowl, you could use a 2 liter Coke bottle (or do you guys drink RC in Tenn.?)

, just kidding. Measure and mark a 1/2 full line on the bottle and check the Fuel Pump delivery rate.
Alright now Dave!!! Now I maybe married to my brother's sister..but got to draw the line at the R.C. remark!!!!!!!! ewings dont wanna me come dooown thair with my hounds and hunt you uuuup....ha ha ha ha
But back to the serious stuff, I gotcha. That makes sense. For some reason the MB tag has got me losing my common sense. I'll get on that tomorrow and post my results.