Quote:
Originally Posted by dorkidori_s13
no idea on current walbro quality. went thru 1 in my current 240 after 4-5 years of daily driving. currently on my 2nd... car is no longer daily driven and pump was replaced in like 2015.
these require wiring in a relay... they dont have the same amp in them walbros do and wont supply consistent fuel pressure after 4000-5000rpms (figured this out via gauge in my car)
if these are still made and available... they are 100% worth the trouble of running a relay! had one in my previous S13 from 06-09. can handle E85 just fine too.
wouldnt touch Deatschwerks stuff again after their injectors
zero input on the SARD unit.
walbro works fine. just keep your tank above 1/4 otherwise you will burn the amp out in the pump. Denso Supra pump is my best route vote 100% and worth wiring in a relay to keep consistent 12v (S13 only gets 10v to the pump IIRC).
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I actually saw you endorse the supra pump and naysay the Walbro in some really old threads which somewhat inspired this question. Any special notes for installing a supra pump into an S13 sending unit?