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Fuel Lines/Tank/Pump


l0sts0ul

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Hey Guys,

I am swapping out my 3.0L for a SBF, and I have a question for the seasoned vets here.

Should I use the Tank/Pump/Lines that are existing and install a regulator,

OR

install a small pick up tube, use the existing tank, and install an external pump with lines and filter

OR

remove it all, install a fuel cell with pump, filter, lines etc?

thanks all in advance.
`
 


Rowdy Fitzgerald

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That's all on your tastes. If you'd like to see what others have done search through peoples build up threads.
I personally used the stock tank, swapped the elec sending unit out for a earlier unit without the pump then installed a low psi pump on the frame. Where the stock pump was. I'm also running a regulator set at 5 about 18" from the carb.


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l0sts0ul

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Thanks for the reply!,

I was wondering where you found the older pump/pickup?

I would prefer to run an external pump (holley makes a nice one for example) with internal regulator. I am running a carb too for the recod.

thanks
 

jmcleek

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If you are running efi then the in tank fuel pump will work fine, if running carb thin swop out the pump for a 87 in tank unit (low pressure pump) and that will work fine. If running carb and are on a very tite budget then use a "t" and use the intank pumpwith the pressure line and returnconected with the "t" and attach the carb
 

l0sts0ul

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What are the pressures coming out the 87 in tank unit? can I Get it from rock auto?
 

jmcleek

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probbly not , 87 is a steel tank that holds about 14 gallons , 94 is larger and plastic. I meant to use the pump only and not the whole sending unit.
 

l0sts0ul

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ok, I think I understand, pull the unit out, and change the pump, and reuse the lines, sending unit, etc..?

sorry it sounds dumb but haven't played with this before.
 

jmcleek

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If you don"t use the return line it will need to be pluged / or caped at the sendind unite
 

toledo_tommy

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I just went through this with my build but I went the other direction . I'm using everything and installing a regulator with a bypass ( return ). I was talking to a mech. at the shop and he was telling me that you need to make sure you use a regulator that can handle the high pressure fuel pump (40psi) in my case. Anyhow none of this may apply to your build but I figured I would put my 2 cents in. Cost wise , the holly regulator with mounting bracket was 80 bucks. Good luck
 

jmcleek

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My girl becca has a 87 with a 5.0 carbed that has ran off the low pressure in tank pump for over ayear no problem. I also know of a s10 that is running a crbed 350 off of the high pressure in tank pump with the pressure line and the retun line "t"ed togather at the carb, its been running that way for 4 years .
 

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