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Old 12-07-2017, 10:17 PM   #3
Captain J
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Join Date: Nov 2017
Location: H, Q
Posts: 180
Re: Fuel sending unit for 1987 GMC Sierra

Quote:
Originally Posted by AustinBelair View Post
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.
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
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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
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