walbro fuel pumps

[GBGN1]

Looking to ugrade in injecter size #50's or something close
what walbro pump is the better choice?307 or 340 is the gs307 pump different from a reg.307?
which is the most powerful single in the tank pump?
thanks
brian

 

[c&cgn]

I believe they are very similar in flow up to around 70psi and then the 307 drops off more than the 340. Buy the 340 and it should be good to at least he bottom 11's if not further.

 

[Racetronix]

Brian,

This thread will be of interest to you...
http://www.turbobuick.com/forums/showthread.php?s=&threadid=28893

Jack
Racetronix