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Location:  Main Index » Forum Index » Automotive General » EFI/Fuel Injection and Engine Control Systems » return line for efi




Username Post: return line for efi        (Topic#375059)
498 chevy 73
"15th Year" Platinum Supporting Member
 Posts: 526
498 chevy
Age: 73
Loc: hayward ca.
Reg: 09-28-07
 05-20-24 09:29 AM - Post#2870066    

big ? can i use the return line that was for charcoal filter canister on 74 c 10 for efi return gas line ? or do I have put in a return line for this. Im not using the charcoal canister on mine truck thanks

http://www.picturetrail.com/webe


 


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toro455 
"9th Year" Gold Supporting Member
 Posts: 1319
toro455
Loc: Western NY
Reg: 06-15-02
 05-23-24 03:06 PM - Post#2870139    
    In response to 498 chevy

What diameter is the line you want to use? If it's 1/4" that's smaller than recommended.



 


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498 chevy 73
"15th Year" Platinum Supporting Member
 Posts: 526
498 chevy
Age: 73
Loc: hayward ca.
Reg: 09-28-07
 05-25-24 09:09 AM - Post#2870187    
    In response to toro455

its 3/8 dia. and it go's directly into the top of tank where the out let is

http://www.picturetrail.com/webe


Edited by 498 chevy on 05-25-24 09:11 AM. Reason for edit: No reason given.

 


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bobb 
Super Senior Member
 Posts: 6686

Loc: paradise
Reg: 09-05-03
 05-25-24 10:16 AM - Post#2870191    
    In response to 498 chevy

that would work well if it has a tube inside the tank that drops down so the fuel is not splashing around in there getting all airated.

70 L camino, grampa engine, g-force 5 spd, road rage suspension. Pray first before all else fails.


Edited by bobb on 05-25-24 10:18 AM. Reason for edit: No reason given.

 


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toro455 
"9th Year" Gold Supporting Member
 Posts: 1319
toro455
Loc: Western NY
Reg: 06-15-02
 06-08-24 10:25 PM - Post#2870675    
    In response to 498 chevy

The 3/8" line is great. They do however recommend that the return, for EFI, exit very close to the bottom of the tank. I think Holley has a guideline. I found something once and have just followed it.

Scott



 


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