[jbaker]

sounds good, and thanks.
yes, the pump is cam driven

i presume the deadhead would then plumb in directly between the pump outlet and the carb inlet. this is fine other than i will need to rework my current plumbing from the pump to the carb.
that rework is what got me looking at the bypass style, which i can plumb in off the rear tee at the carb inlet hose. the back end of that tee is now capped.... not disturbing the other plumbing is the only reason that i was looking at this as an option. granted i would have the added expense of more plumbing and the more expensive regulator/bypass. did you have a brand of regulator in mind ? im running -8 line size now, and would prefer to keep the port sizes as large as possible on a deadhead style, if i went that route.

i think you are right on as far as b/g grouping the pumps.

i presume using the bypass style will be fine , funtionally ?

in any case thanks for the cost effective opinion