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Racetronix / Walbro 386L/Hr Pump

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Old 03-03-2012, 05:48 AM
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Default Racetronix / Walbro 386L/Hr Pump

Anyone using this pump? If so, what was it installed in ?
Old 03-07-2012, 01:33 AM
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I have one I'm goin to install in my Silverado ss
Old 03-23-2012, 05:43 AM
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Let me know how the fitment is and the difference in size, if any.

I emailed Racetronix for more info and no response.
Old 03-23-2012, 03:30 PM
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Originally Posted by davidws6
Let me know how the fitment is and the difference in size, if any.

I emailed Racetronix for more info and no response.
Which E-mail address did you send your question to?

These pumps work great, we have installed a few into local customers vehicles. If your car is returnless we caution you that this pump may overpower an in tank regulator and cause a pressure rise.

The "mushroom" on the bottom of the pump is quite large so this pump is not appropriate for all applications.
Old 03-23-2012, 04:07 PM
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March 3rd 2012 6:42AM to [email]sales@racrtonix.com

I currently have 2 walbro 255's and was thinking of just going to 1 pump to eliminate all the BS inside the bucket. Crank hp is + - 650ish N/A

+ I may change the vehicle that this engine is in ?

They are both return type.

Last edited by davidws6; 03-23-2012 at 04:16 PM. Reason: more info
Old 03-24-2012, 08:46 AM
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Originally Posted by davidws6
March 3rd 2012 6:42AM to [email]sales@racrtonix.com

I currently have 2 walbro 255's and was thinking of just going to 1 pump to eliminate all the BS inside the bucket. Crank hp is + - 650ish N/A

+ I may change the vehicle that this engine is in ?

They are both return type.
You spelled Racetronix incorrectly....sales@racrtonix.com.

As for the pump, they are nice other than their size. At 650 crank, 1 of these will work very well.

Last edited by Lonnies Performance; 03-24-2012 at 08:52 AM.
Old 03-25-2012, 04:44 AM
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Well that explains it then, My bad !
Guess the coffee had not kicked in yet, LOL...
Old 03-25-2012, 05:55 AM
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How much HP can one of these support in a boosted application?
Old 03-25-2012, 09:33 AM
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^+1 I rather do one pump than 2 walbros myself.
Old 03-25-2012, 10:43 AM
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Sorry for the thread jack but will this support a cam only LS1 on E85? Also planning on pulling a 150 hit off the rail.




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