TwinTurbo.NET: Nissan 300ZX forum - Interesting idea...
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Subject Interesting idea...
     
Posted by Madhatter10-6 on January 15, 2016 at 10:20 AM
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In Reply To Dual walbro 485 pumps posted by esimplx on January 14, 2016 at 07:11 PM
     
Message I had never thought about putting the extra pump there. We have mounted several twin 4E85 setups in Z's and just put them on the same hanger without issue. Well kind of without issue its a little tricky to get the hanger back into place with two pumps hanging on it but still doable.

What surge issues are you needing to eliminate?

The only concern that I can think of with this type of setup is that the pumps will need to be at the same depth in the tank. You don't want your primary pump below your 2nd pump. If you did that you could have a scenario with lower gas levels that prevented the 2nd pump from being able to pull fuel and could end up going lean very quickly.

If you try this please post pics of the install I would like to see it.


Madhatter10-6

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