how to pick fuel pump and lines

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how to pick fuel pump and lines

Post  mitch on January 1st 2014, 7:23 pm

are there any simple formulas or rules of thumb for fuel system flow needed for an engine?

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Re: how to pick fuel pump and lines

Post  514Fox87 on January 1st 2014, 7:32 pm

If you are planning to go bigger or faster down the road then I would setup for that.
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Re: how to pick fuel pump and lines

Post  bbf-falcon on January 1st 2014, 7:38 pm

X2. I know sometimes the budget limits one to go with better part s.but,if all possible go with it out of gate and save possible issues down the road.

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Re: how to pick fuel pump and lines

Post  richter69 on January 1st 2014, 8:21 pm

too big a system will always work, too small not so much.

whats the application and intended use?
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Re: how to pick fuel pump and lines

Post  bigblok2000ranger on January 1st 2014, 9:08 pm

bbf-falcon wrote:X2. I know sometimes the budget limits one to go with better part s.but,if all possible go with it out of gate and save possible issues down the road.

X3!

richter69 wrote:too big a system will always work, too small not so much.

whats the application and intended use?

X2!
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Re: how to pick fuel pump and lines

Post  mitch on January 1st 2014, 9:15 pm

i dont really have a specific aplication other than carbureted, gas. just looking for some general guide lines like: you need at least X amount of fuel flow per hp or something like that

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Re: how to pick fuel pump and lines

Post  bigblok2000ranger on January 1st 2014, 9:31 pm

<600=150gph
<750=250gph
<850=400gph
>800=500+gph

Up to ~600hp a 3/8" line should be ok.
600-800hp a 1/2" or -8 should work.
800-1200hp a 5/8" or -10.

These are just a rough figures there are many variables that can effect this.
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