Fuel Lines - Team Camaro Tech
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post #1 of 9 (permalink) Old Mar 7th, 10, 08:09 AM Thread Starter
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Greg
 
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Fuel Lines

Still redoing my 69 small block 350, I put in a new Gas Tank, Fuel Line and Fuel Pump. Need advice. Is there any priming that needs to be done or filling the lines with gas or anything I need to do before I try to start it ?
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post #2 of 9 (permalink) Old Mar 7th, 10, 08:16 AM
Kevin
 
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Re: Fuel Lines

I'm not sure about primimg the pump...my dad never did, we always took a mason jar full of gas and poured it into the carb for a few minutes until the pump had time to pull fuel up. oh yeah and we always had glass housed fuel filter so we could see when the fuel got there (p.s. pray for no backfire)
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post #3 of 9 (permalink) Old Mar 7th, 10, 08:26 AM
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Re: Fuel Lines

Usually just cranking will fill the line/pump. As above, just prime the carb and things will go quicker

68 Camaro~LSx ~all motor
1.54 60'--6.95 @ 98.45 660'--10.96 @ 121.53
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post #4 of 9 (permalink) Old Mar 7th, 10, 09:11 AM
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Re: Fuel Lines

If mech pump, you can disconnect the inlet line at the pump and pour some fuel into the tank, say 5 gals or so, and pressurize the tank with shop air and a rag at the fuel cap/inlet and stop when fuel comes out or continue to remove installation debris.

If electric pump, same thing, disconnect the inlet to the regulator and either or turn on the pump to self prime and/or pressurize the tank to prime the pump and let it pump to remove debris.

Save the gas for your lawn mower.

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post #5 of 9 (permalink) Old Mar 7th, 10, 09:49 AM
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Re: Fuel Lines

Quote:
Originally Posted by Everett#2390 View Post
If mech pump, you can disconnect the inlet line at the pump and pour some fuel into the tank, say 5 gals or so, and pressurize the tank with shop air and a rag at the fuel cap/inlet and stop when fuel comes out or continue to remove installation debris.

This is exactly how I do it. Doesn't take much pressure and works like a dream. If it's a new motor you'll wanna make sure the the carb bowl (s) have gas in them so it will fire right away. One of the worst things for a new engine is prolonged cranking without firing.

Pouring raw gas into the carb is bad in SO many ways. Fire hazard for one and it washes the oil off of the cylinder walls just when you want the rings to get the full effect of the nice cross hatch honing that you just paid for.

Dave Miller


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post #6 of 9 (permalink) Old Mar 7th, 10, 04:48 PM Thread Starter
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Re: Fuel Lines

Thank You, That is what I needed to know.
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post #7 of 9 (permalink) Old Mar 7th, 10, 04:55 PM
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Re: Fuel Lines

Maybe should have been more specific ?

Fill the carb bowls through the vent tube....don't just pour down the venturi.

68 Camaro~LSx ~all motor
1.54 60'--6.95 @ 98.45 660'--10.96 @ 121.53
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post #8 of 9 (permalink) Old Mar 7th, 10, 04:59 PM
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Re: Fuel Lines

Quote:
Originally Posted by DOUG G View Post
Maybe should have been more specific ?

Fill the carb bowls through the vent tube....don't just pour down the venturi.
GREAT point Doug! It's easy on a Holley but takes some thinking on a quadrajet. Hopefully he gets it right.

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post #9 of 9 (permalink) Old Mar 10th, 10, 12:07 PM Thread Starter
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Re: Fuel Lines

Got it.. Thanks
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