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Author Topic: new fuel pump?  (Read 2930 times)

Offline polish pete

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new fuel pump?
« on: November 24, 2010, 07:41:05 pm »
hey guys recently got an 80 gmc, and im changing the q-jet over to a mech holley also will be changing the intake to support the carb, now the question is factory fuel pumps have 3 fittings, now do i need to have a return line? i already got another fuel pump that only has 2 fittings.
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Offline Irish_Alley

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Re: new fuel pump?
« Reply #1 on: November 24, 2010, 10:20:40 pm »
You don't need all three but the extra is for the charcoal canister if you remove the canisters the line shouldn't be plugged its a vent line mount it high on the rad with a vent can
« Last Edit: November 24, 2010, 10:33:45 pm by Irish_Alley »
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Offline HAULIN IT

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Re: new fuel pump?
« Reply #2 on: November 25, 2010, 10:43:22 am »
Pete, What are you trying to GAIN by going to the Holley carb? Daily driving habits, performance, fuel mileage? Lorne
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Offline polish pete

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Re: new fuel pump?
« Reply #3 on: November 25, 2010, 12:05:39 pm »
well i got it for a good price, and its a mech carb so i think its a little more performance oriented, i wont get rid of the factory stuff just in case,

and this is to irish alley, does that mean i shouldnt use the 2 fitting pump instead?
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Offline Irish_Alley

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Re: new fuel pump?
« Reply #4 on: November 25, 2010, 12:16:11 pm »
You can its up to you but it is for emissions
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If you can’t tell yourself the truth, who can you tell it to?~Irish_Alley

When you have eliminated the impossible, whatever remains, however improbable, must be the truth ~Sherlock Holmes

Offline polish pete

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Re: new fuel pump?
« Reply #5 on: November 25, 2010, 12:50:04 pm »
ah i got it now, makes sense this time. im in new york so anything over 25 yo, is exempt from emissions testing so ill be ok with out any of that emission stuff. thanks for you help guys nice to be a on a board thats willing to help people. ill post up pics and more details on the truck soon!
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