2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

2 walbro 255's better than 1

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Old Aug 23, 2006 | 07:28 PM
  #1  
wildfc3s's Avatar
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From: arlington tx
2 walbro 255's better than 1

Ok am i dumb *** or if i have a intank walbro 255 and i needed more fuel have injectors just need more fuel could i put another walbro 255 inline to add more fuel or am i dumb lol.

reason i ask is just curious
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Old Aug 23, 2006 | 09:29 PM
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You can run 2 in-tank Walbros.
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Old Aug 23, 2006 | 09:41 PM
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... What makes you sure you need more fuel than 255lph? Thats over a gallon/minute... You might want to check your math.

And using two inline pumps to increase fuel flow isn't going to be at all efficient.

But i'm curious how much HP you expect to be making at almost 3 gal/min...
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Old Aug 23, 2006 | 09:49 PM
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From: arlington tx
not thats why i post i was curious because i was following a LS1tech forum about running to walbro 255's and i just was CURIOUS
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Old Aug 23, 2006 | 10:12 PM
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Okay, if you put two of them "inline", then you running them in "series".
This will increase PRESSURE potential - not flow.
You need to run the Walbro's in "parallel" - this will increase flow.

Now, I question HOW MUCH POWER ARE YOU MAKING?
One Walbro 255lph hi-pressure can handle 400hp at the wheels.
Do you really need two???

If you are making this much power, how come you can't figure out how to do this but you're able to make 500+ hp in the first place?


-Ted
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