Register or Log In To remove these advertisements. |
|
|
|
Thread Tools | Display Modes |
12-07-2017, 04:25 PM | #1 |
Registered User
Join Date: Nov 2017
Location: H, Q
Posts: 180
|
Fuel sending unit for 1987 GMC Sierra
My truck is a 1987 GMC Sierra R3500, 7.4L TBi, with dual fuel tanks.
Question what is the correct fuel sending unit number for it? Is it one sending unit or 2 sending unit Safety? Someone told me it’s FG05M, FG05N???? But I’m not sure if this is correct, but if it’s, which one is for the passenger and which for the driver? Does any of the sending unit fits any tank, OR each tank has a different fuel sending unit? Because I got confused Thanks
__________________
1972 GMC Sierra C2500, V8-350 1986 GMC Sierra C2500, V8-454 1986 GMC Sierra C2500, V8-LS1 1986 GMC Sierra K2500, V8-350 1987 GMC Sierra R3500, V8-454 1997 GMC Sierra K2500, V8-454 Last edited by Captain J; 12-07-2017 at 10:14 PM. |
12-07-2017, 09:35 PM | #2 |
Registered User
Join Date: Apr 2005
Location: Austin, Texas
Posts: 300
|
Re: Fuel sending unit for 1987 GMC Sierra
I was just about to post this. My half ton 87 has dual tanks and it lists pump assemblies for Aux tank and regular. I googled and it seems nobody know which tank is Aux and which is regular.
__________________
My mother is a recent cancer survivor and this truck build is for her |
12-07-2017, 10:17 PM | #3 |
Registered User
Join Date: Nov 2017
Location: H, Q
Posts: 180
|
Re: Fuel sending unit for 1987 GMC Sierra
Most of the trucks I owned have dual tanks, some may consider the main one is the passenger side. I saw some videos of truck restoration, with only one fuel tank on the passenger side. I hope this helps
__________________
1972 GMC Sierra C2500, V8-350 1986 GMC Sierra C2500, V8-454 1986 GMC Sierra C2500, V8-LS1 1986 GMC Sierra K2500, V8-350 1987 GMC Sierra R3500, V8-454 1997 GMC Sierra K2500, V8-454 |
12-07-2017, 10:59 PM | #4 |
Registered User
Join Date: Jun 2003
Location: ga
Posts: 630
|
Re: Fuel sending unit for 1987 GMC Sierra
the right side is the main passenger side on 73-91 gm fullsize trucks drivers side it optional . the fuel tanks for a 87 up first efi models use fuel tanks that are baffled so the fuel can be picked up. they do call for that both tanks to be swaped for the efi setup the sending units are different part numbers for right and left tank.
__________________
4x4k30 if trouble was money i would have plenty |
12-07-2017, 11:32 PM | #5 | |
Registered User
Join Date: May 2012
Location: horseheads,ny rust belt
Posts: 2,794
|
Re: Fuel sending unit for 1987 GMC Sierra
Quote:
ifthis is true how does my truck run with factory left/driver side only ? ?
__________________
77-k30lb BIG truck build . 87-k30lb budget beater build . 85-k30lb the plow machine build . 85-c10sb summer fun toy . ----------------------------- HOLLEY SNIPER efi = worst case of p.i.t.a i ever had . EDELBROCK pro flo 4 = best deal going so far . love my setup works great. |
|
12-07-2017, 11:44 PM | #6 |
Registered User
Join Date: Oct 2017
Location: Medford Wisconsin
Posts: 50
|
Re: Fuel sending unit for 1987 GMC Sierra
I’m not sure how much difference it makes to begin with. I daily a 87 Silverado and I just replaced my drivers side tank and sending unit. Since I didn’t know better I ordered the sending unit for main tank, not auxiliary. I installed it in the new drivers side tank and it worked just fine. I bypassed the selector valve and got rid of the passenger side tank all together. Been running good ever since.
|
12-08-2017, 01:14 AM | #7 |
Registered User
Join Date: Jun 2003
Location: ga
Posts: 630
|
Re: Fuel sending unit for 1987 GMC Sierra
what year is your truck ?
__________________
4x4k30 if trouble was money i would have plenty |
12-08-2017, 08:38 AM | #8 |
Registered User
Join Date: May 2012
Location: horseheads,ny rust belt
Posts: 2,794
|
Re: Fuel sending unit for 1987 GMC Sierra
80's they swapped to driver side if just one .
mine is 80's .
__________________
77-k30lb BIG truck build . 87-k30lb budget beater build . 85-k30lb the plow machine build . 85-c10sb summer fun toy . ----------------------------- HOLLEY SNIPER efi = worst case of p.i.t.a i ever had . EDELBROCK pro flo 4 = best deal going so far . love my setup works great. |
12-08-2017, 10:30 AM | #9 |
Registered User
Join Date: Jun 2003
Location: ga
Posts: 630
|
Re: Fuel sending unit for 1987 GMC Sierra
ok I was talking about dual tank trucks only. I have seen trucks with just one tank on the drivers side they were in the 80s.
__________________
4x4k30 if trouble was money i would have plenty |
12-08-2017, 12:34 PM | #10 |
Registered User
Join Date: Nov 2017
Location: H, Q
Posts: 180
|
Re: Fuel sending unit for 1987 GMC Sierra
I’m still waiting for someone to reply to the full sending unit numbers and which side they fit?
__________________
1972 GMC Sierra C2500, V8-350 1986 GMC Sierra C2500, V8-454 1986 GMC Sierra C2500, V8-LS1 1986 GMC Sierra K2500, V8-350 1987 GMC Sierra R3500, V8-454 1997 GMC Sierra K2500, V8-454 |
12-08-2017, 01:58 PM | #11 |
Registered User
Join Date: Jul 2001
Location: Youngstown, OH
Posts: 95
|
Re: Fuel sending unit for 1987 GMC Sierra
just looked at spectra's online catalog and fg05m is driver side#
fg05n is passenger side for your app |
12-08-2017, 04:59 PM | #12 | |
Registered User
Join Date: Nov 2017
Location: H, Q
Posts: 180
|
Re: Fuel sending unit for 1987 GMC Sierra
Quote:
The reason I’m asking, because I got confused & frustrated, some eBay sellers, they say any unit can fit any side, one well know parts store gave no answer, the other store kept telling me about if the truck left hand steering wheel or/and right hand steering wheel, Can you pls link the spectra catalog here, thanks
__________________
1972 GMC Sierra C2500, V8-350 1986 GMC Sierra C2500, V8-454 1986 GMC Sierra C2500, V8-LS1 1986 GMC Sierra K2500, V8-350 1987 GMC Sierra R3500, V8-454 1997 GMC Sierra K2500, V8-454 |
|
12-08-2017, 05:11 PM | #13 |
Registered User
Join Date: Jul 2001
Location: Youngstown, OH
Posts: 95
|
Re: Fuel sending unit for 1987 GMC Sierra
|
12-08-2017, 05:22 PM | #14 | |
Registered User
Join Date: Nov 2017
Location: H, Q
Posts: 180
|
Re: Fuel sending unit for 1987 GMC Sierra
Quote:
__________________
1972 GMC Sierra C2500, V8-350 1986 GMC Sierra C2500, V8-454 1986 GMC Sierra C2500, V8-LS1 1986 GMC Sierra K2500, V8-350 1987 GMC Sierra R3500, V8-454 1997 GMC Sierra K2500, V8-454 |
|
12-13-2017, 03:27 PM | #15 |
Registered User
Join Date: Nov 2017
Location: H, Q
Posts: 180
|
Re: Fuel sending unit for 1987 GMC Sierra
To share with you my findings on the 1987 GMC Sierra with 7.4L & TBI, fuel sending units.
The FG05M (driver side) and FG05N (passenger side) are correct sending units but they don’t come with fuel pumps. To have a complete sending units , SP05M15H (driver side) from Spectra SP05N1H (passenger side)
__________________
1972 GMC Sierra C2500, V8-350 1986 GMC Sierra C2500, V8-454 1986 GMC Sierra C2500, V8-LS1 1986 GMC Sierra K2500, V8-350 1987 GMC Sierra R3500, V8-454 1997 GMC Sierra K2500, V8-454 |
12-13-2017, 10:56 PM | #16 |
Registered User
Join Date: Apr 2017
Location: FL
Posts: 144
|
Re: Fuel sending unit for 1987 GMC Sierra
I mentioned this in another thread, but the only difference on the Spectra units is the left side has longer output nipples than the right. This is because the right side has short lines from the fuel selector valve. That said, it's easy enough to use either one for either side by varying the length of the rubber connection hoses.
|
12-14-2017, 11:03 AM | #17 | |
Registered User
Join Date: Nov 2017
Location: H, Q
Posts: 180
|
Re: Fuel sending unit for 1987 GMC Sierra
Quote:
__________________
1972 GMC Sierra C2500, V8-350 1986 GMC Sierra C2500, V8-454 1986 GMC Sierra C2500, V8-LS1 1986 GMC Sierra K2500, V8-350 1987 GMC Sierra R3500, V8-454 1997 GMC Sierra K2500, V8-454 |
|
Bookmarks |
Thread Tools | |
Display Modes | |
|
|