Fuel pump exchange

[Holden]

That's sure easier the second time!

45 minutes start to finish pulling out a Walbro GSS317 and installing a GSS342.

GSS317 for sale. $70 + S&H. Check only. Pump used for 7 months, 5000 miles on stock JRSC kit.

BTW, fuel pressure at idle didn't change any.

Greg

[lundgren]

But the high boost pressures are still there, and higher. Feel any different?

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[Holden]

My butt dyno sucks. I don't trust it for spit.

Besides, the only testing I did was WOT runs staring at the FP and AF gauges to make sure everything was working. I doubt I went over 7000rpm.

Greg

[Holden]

OK. Fuel pressure seems to rise faster with the 342 pump as compared to the 317.

This could all be in my mind though.

Greg