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walbro 450 hose barb size?

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Old 11-18-2014, 05:39 PM
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Default walbro 450 hose barb size?

I stopped by a local speed shop for some bbc header gaskets, and saw an aeromotive machined block top for the top of a fuel tank......had two outs 6an and a return. A nice piece, but I inquired and they said that aeromotive said it wont work for dual 450 pumps because the 6an is too small?

I dont know the outlet size of the 450 walbro pump?

It appears to be 3/8 barb to hose? And that some people are using 3/8 barb to 6an to a 6-6-8 Y block?

If thats the case how could dual 6 an outs not be enough?

Whats the 450 requirements for in tank set ups?

edit: Is a check valve needed at all? It should be built into the pump? But on a dual set up with one off, is a check valve needed?

And....it appears that the complete set up can be done for about $300 depending on the easy way out of a cell. Actually 346.60 to get to 10 an on the out side of the cell....and that includes a wiring bulk head at 24.97 ...The return can go in almost anywhere easy. I might use one of the sump outlets.

Last edited by 1320; 11-18-2014 at 06:14 PM.
Old 11-18-2014, 06:44 PM
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Are you talking about this? If you find it for $300, please let us know, I need one and the best price I've found is over $500. They have many options too...
Old 11-18-2014, 07:06 PM
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Yes that's what I saw. I didn't even get a price. I was surprised that they said, aeromotive said the 6an that it is, is not big enough for two 450s. So I question the outlet size of the 450?

Also the 346$ I got was using a straight 10 an to 10 an thru bulk head fitting to pass tgru the tank and a seperate wire bypass fuel tank fitting, to accomplish the same thing as the aeromotive piece for 65$
Old 09-30-2021, 09:36 PM
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I am looking to install my 450 and wanted to salute your user name...******* 1320! Who'd have thought?

2001... bonafide OG, goddamn



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