I can't comment on how good the Supra pump is, but I can give you a word of caution. Find a performance chart for the Supra pump. Something that charts flow vs pressure. RC engineering may be able to help since they test fuel pumps and may have the data already. Pumps on factory turbo cars flow alot of fuel at low pressures (since those cars use big injectors), but they often flow very little fuel at high pressures. 310's or 370's will let you run decent fuel pressures, but you should still make sure that the pump can supply enough fuel at whatever pressure you choose.
See this page for further explanation:
http://www.geocities.com/vttalon/tech.html


Corbin

'95 ESI-T
HRC+FMIC+ETC...



Gimme fuel...Gimme fire...Gimme that which I desire

Corbin
'97 GSX dressed like a '95 ESi