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03-25-2015, 09:29 AM
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#1 |
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Registered User
Join Date: Jun 2014
Location: Perth Australia
Posts: 32
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87 Died after switching Tanks
Driving home last night, I noticed my right tank was low and switched over to the LEFT.
As soon as I did this the motor stopped, pulled over and put switch back to RIGHT tank and it started and ran fine. Went to a servo and filled up and got home ok. My truck is a 1987 350 TBI Auto stepside. Is there a easy point to start at and find out why it does not run at all on the LEFT tank. Tried again today and when on RIGHT tank it turns over and starts as normal, on LEFT tank it just turns and turns but will not fire
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Andy 1979 Corvette 1987 Stepside 2012 Holden Calias |
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03-25-2015, 10:52 AM
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#2 |
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Registered User
Join Date: May 2010
Location: Rochester NY
Posts: 831
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Re: 87 Died after switching Tanks
Do you hear the pump on the dead side?
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1973 k20 Suburban 350 1974 Custom stepside c-10 250 1975 Chevy stepside 454 1986 K30 Crewcab SRW 350 R.I.P- glimmertwin01- board member and good friend, you will be missed |
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03-25-2015, 12:57 PM
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#3 |
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Registered User
Join Date: Nov 2000
Location: Ft. Mill, SC USA
Posts: 931
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Re: 87 Died after switching Tanks
Sounds like its the left fuel pump. In 87 with TBI, each tank had an electric fuel pump. sounds like the crossover is working also. Have someone listen for the left tank pump as you give it power. Also, see if there is a fuse for each fuel pump, that could be it too.
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PROJECT TRUCK: 1985 SWB C10 Silverado Black/Charcoal, 1990 V2500 Suburban, 2018 Suburban, 2005 GMC 2500HD CCSB, 2014 Toyota Camry SE, HAD.....1968 Camaro RS/SS Family owned since new; 350 3 speed  SOLD
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03-25-2015, 10:07 PM
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#4 |
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18 Till I Die
Join Date: Mar 2005
Location: Alberta, Canada
Posts: 1,522
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Re: 87 Died after switching Tanks
Yea its probably the pump. I would put a switch in anyway. You can still buy them from AC delco.
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2011 GMC Acadia 1969 GMC BBC LS7 2007 GMC Crew Duramax 1987 Camaro Iroc 350 Tuned Port Injection 42000Km 1987 Chevrolet Silverado 350 TBI 1987 Chevrolet Silverado 350 TBI(yes 2) Take me drunk, I'm too home... 
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03-26-2015, 10:27 PM
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#5 |
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Addicted to Rust
 
Join Date: Dec 2009
Location: Abbeville SC
Posts: 1,030
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Re: 87 Died after switching Tanks
Does the gauge swap? Jay
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Current trucks: (48 GMC100 320 inliner) Gone (48 Suburban in pieces) Sold 87 GMC CCSB 5.3 4l60E Daily Driver ECTA National record holder XO/PP We never really grow up, we just learn how to act in public. |
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03-26-2015, 10:47 PM
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#6 |
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Registered User
Join Date: Jun 2014
Location: Perth Australia
Posts: 32
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Re: 87 Died after switching Tanks
Thanks for the feedback, have been busy.
Still need to get someone to listen to the pump for me. Yes the gauge swaps over
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Andy 1979 Corvette 1987 Stepside 2012 Holden Calias |
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