Crate LS3 & Walbro pump

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May 8, 2015 | 01:08 PM

tdishon

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From: Phoenix, AZ

Crate LS3 & Walbro pump

I have a bone stock crate LS3 and have a Rock Valley Tank that came with a Walbro 5CA-400 pump. I have all the other LS regulator/return etc, but am not sure this is the right pump.
I'm not looking for severe overkill, just the right pump for this engine. Thanks for any input.

May 8, 2015 | 02:57 PM

joyridin'

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I have the 450 pump in my crate LS3. Just be sure to have a good return line and regulator.

May 8, 2015 | 02:59 PM

tdishon

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I have the factory corvette regulator and 6AN lines. Should all be good there. So The 450 is all good. Maybe I should swap out the 400?

May 8, 2015 | 03:22 PM

tdishon

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Correction. I just pulled the pump out and it's a GSS340. I think that will work. Rock Valley said they put 400 as standard, It must have been swapped.

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