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03-14-2012, 05:05 PM
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#1 |
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Always a work in progress
Join Date: Jun 2007
Location: Harker Heights, TX
Posts: 1,599
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87 Fuel Sending unit
I installed an 87 tank and sending unit in my 85 for the LS swap and I have 3 lines. I need to know what I do with the middle line, I have the feed and return hooked up I just need to figure something out with the 3rd line.
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USMC Retired Never trust a man who can't laugh at his own fart! 2010 Silverado Crew Cab 73 SWB 5.3/4l80e Build Thread: http://67-72chevytrucks.com/vboard/s...d.php?t=695168 |
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03-14-2012, 05:20 PM
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#2 |
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Registered User
Join Date: Feb 2012
Location: Austin, Arkansas
Posts: 248
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Re: 87 Fuel Sending unit
I believe that's the vent line,and if you have fuel-injection it will have to be soldered/welded shut.
If its carburretted,just run it to a vent valve,or the fuel cannister(better).
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Always expect the unexpected,....but don't expect the unexpected to be the unexpected you expect ! I'm busier than a one-legged cat,in a sandbox! Veteran..and proud ! I can't fix what ain't broke....you want I should break it? |
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03-14-2012, 05:24 PM
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#3 |
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Registered User
Join Date: Sep 2010
Location: Marble Falls, TX
Posts: 1,575
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Re: 87 Fuel Sending unit
Shouldn't it be the vent to the charcoal canister?
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Michael Re-starting the neglected '77...http://67-72chevytrucks.com/vboard/s...=425464&page=9 |
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03-14-2012, 05:29 PM
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#4 |
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Registered User
Join Date: Feb 2012
Location: Austin, Arkansas
Posts: 248
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Re: 87 Fuel Sending unit
Yeah,that's what I mean.The black plastic one that we all catch on,once in a while!LOL!
There should already be a line for it.
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Always expect the unexpected,....but don't expect the unexpected to be the unexpected you expect ! I'm busier than a one-legged cat,in a sandbox! Veteran..and proud ! I can't fix what ain't broke....you want I should break it? Last edited by jhngardner367; 03-14-2012 at 05:31 PM. Reason: fat fingers |
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03-14-2012, 07:23 PM
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#5 |
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Always a work in progress
Join Date: Jun 2007
Location: Harker Heights, TX
Posts: 1,599
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Re: 87 Fuel Sending unit
That thing is long gone. Can I plug it with some rubber hose and fuel injection clamps?
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USMC Retired Never trust a man who can't laugh at his own fart! 2010 Silverado Crew Cab 73 SWB 5.3/4l80e Build Thread: http://67-72chevytrucks.com/vboard/s...d.php?t=695168 |
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03-14-2012, 07:55 PM
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#6 |
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Registered User
Join Date: Feb 2012
Location: Austin, Arkansas
Posts: 248
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Re: 87 Fuel Sending unit
Yes,if it has a carb.But,you should then find a vented cap,or it may cause pressure in the line,and flood the carb,especially on warm days.That's what the charcoal cannister is for...to store fumes/vapor,until the engine runs again,at which time they are routed to the carb,to burn.
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Always expect the unexpected,....but don't expect the unexpected to be the unexpected you expect ! I'm busier than a one-legged cat,in a sandbox! Veteran..and proud ! I can't fix what ain't broke....you want I should break it? |
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03-14-2012, 10:35 PM
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#7 |
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Always a work in progress
Join Date: Jun 2007
Location: Harker Heights, TX
Posts: 1,599
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Re: 87 Fuel Sending unit
I will be fuel injected. 2002 lq4 fyi
Posted via Mobile Device
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USMC Retired Never trust a man who can't laugh at his own fart! 2010 Silverado Crew Cab 73 SWB 5.3/4l80e Build Thread: http://67-72chevytrucks.com/vboard/s...d.php?t=695168 |
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03-15-2012, 11:40 AM
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#8 |
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Registered User
Join Date: Oct 2003
Location: OC CA
Posts: 1,374
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Re: 87 Fuel Sending unit
See if a stock LQ4 (donor) uses CCP canister. If it does than set it up to use purge line (evap)
//RF
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"The Beast" 1975 Chevrolet C20 longbed 350/700R4! with 3inch body lift Dual Flowmasters Super 40's! TBI retrofit completed (2007-07-29)  New 383CID (+030) 08-304-8 9.5:1CR x36,005 (2012-12-17) |
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