Tom87GNX
Active Member
- Joined
- Nov 29, 2012
So I had issues with my fuel pump a few months ago (still not fixed as I took a break from the car for a while). I bought a NIB racetronix fuel pump and sender from a member about 3 years ago. It sat unopened for a year probably before I installed it. Now the pump is extremely noisy and doesn't provide enough fuel under heavy load (car falls on its face, O2 volts read almost zero). Anyway today I pulled the pump to investigate, part number stamped on the pump is GSS294 and there is an "M" etched after. I spoke with tech at walbro and they said the GSS294 is a 255lphr pump but is NOT high pressure even though he stated the pumps marked "M" are modified. He continued to state that there are several 255lphr pumps available from walbro and this is not what should have been used for my application. He stated I should have been given the GSS340 which is a 255lphr pump which peaks at 87 psi vs the GSS294 which peaks at 50 psi. Can anyone confirm this? I'm confused at this point and a little mad cause it seems to me that the part from racetronix was not actually meant for a TB application.
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