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Holley Pro-Jection

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Old Apr 19, 2007 | 09:44 PM
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Holley Pro-Jection

i have a 1979 ford f-150 with a 400 and c6 with a Edelbrock 1400 carb and Edelbrock intake would it be a good swap to move to a Holley Pro-Jection Fuel Injection Systems with the fuel price where it is $3.67 a gal would i get better gas milage and would it efect the power any help with my ? would be great.



ps
how is the install on it and dus any one have the manual on the net.
 
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Old Apr 19, 2007 | 10:00 PM
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You might try the fuel system forum!
 
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Old Apr 19, 2007 | 11:38 PM
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Lets put this down here and see if you can get some answers from the guys that know this stuff better.
 
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Old Apr 19, 2007 | 11:50 PM
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John -

The biggest hassle I had when installing ProJection on a '78 Regal w/ a 350 Chevy: I had to drop the gas tank to knock out a restrictor in the vapor line fitting. This allowed full fuel flow back to the tank; leaving the restrictor in would've caused too much pressure in the return line. The rest of the install was easy.

Steve
 
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Old Apr 20, 2007 | 12:01 AM
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i have no return line would i need to drill the tank for one
 
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Old Apr 20, 2007 | 12:09 AM
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You might want to confirm with Holley before you modify your tank; if a '78 Regal had a vapor fitting that was useable, I'd think a '79 150 would also but maybe not.........

Steve
 
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Old Apr 20, 2007 | 12:12 AM
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no some one put a tank from a 60's ford in the cab there is no brether or vent nothing but a pick up line.
 
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Old Apr 20, 2007 | 12:15 AM
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Confirm with Holley, but I'm sure the system still needs a return to the tank.

Steve
 
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Old Apr 20, 2007 | 12:19 AM
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thank you for the info how was the mpg after u put holly on the 78'
 
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Old Apr 20, 2007 | 12:22 AM
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For the couple of MPG that you will gain, it will take years to pay off the initial investment of the kit, I would think. But you should see better mpg and drivability and power.
 
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Old Apr 20, 2007 | 12:26 AM
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Very bad; I couldn't get my right foot to behave! Actually, I didn't pay much attention but starting and idling were much improved.

Steve
 
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Old Apr 20, 2007 | 12:29 AM
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well i use some where in the area of $40 a day in gas so any help would be great. and the kit is only $950 if anyone has the #'s on that plz let me know
 

Last edited by JOHNAXIS; Apr 20, 2007 at 01:01 AM.
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Old Apr 21, 2007 | 11:14 PM
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John -

Did you find out if you need a return line to the tank?

Steve
 
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Old Apr 22, 2007 | 12:11 PM
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no on the return i just need a diferent kind of regulator thay gave me the part # but i can find where i the thing.
 
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Old Jun 4, 2007 | 06:13 AM
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did you fine the part or just run a line? I'm starting a simular project and havn't decided what to do either drill another hole on my filler neck or use my breather line and run a vented cap. A different regulator would be graet. I assume it 's some sort of bypass regualor.

bob
 
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