How do inline pump works?
Thread Starter
Joined: Jun 2002
Posts: 4,281
Likes: 2
From: Colorado
Re: How do inline pump works? If the intake pump can only flow at X gals/hr, how would adding another pump after the intake pump help any? So would not the overall flow of the system be limited to the intake pump rate?
Re: How do inline pump works? Every pump has a flow/pressure curve; its flow
capacity drops off against a working head. So
(say) if the stock pump was "value-engineered"
to just barely be able to support the stock fuel
demand and keep its 58PSI, it might only make
50PSI against the fuel flow needed to support 20%
more HP.
But a "booster" pump that can make a +10PSI "lift"
at that same flow, decreases the working head on
the stock pump to 48PSI and life is good again.
This is just an example but I reckon you get the
drift.
capacity drops off against a working head. So
(say) if the stock pump was "value-engineered"
to just barely be able to support the stock fuel
demand and keep its 58PSI, it might only make
50PSI against the fuel flow needed to support 20%
more HP.
But a "booster" pump that can make a +10PSI "lift"
at that same flow, decreases the working head on
the stock pump to 48PSI and life is good again.
This is just an example but I reckon you get the
drift.
Re: How do inline pump works? Do a good intank pump. The stock pump can only pump so much, the inline is not going to pull any more through the one in the tank. The only thing it will do as was said is try to keep the pressure up on demand NOT create more flow. A good intank pump will give you plenty of flow and the pressure.
Nate
Nate
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TECH Junkie
Joined: Dec 2001
Posts: 3,242
Likes: 0
From: Lakeland, FL
Re: How do inline pump works? Check out this link, I aksed the same question a fe w months ago and there was some pretty good responses here.
https://ls1tech.com/threads/showflat...rue#Post503124
https://ls1tech.com/threads/showflat...rue#Post503124
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