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Old 08-02-2015, 06:05 PM   #5
ElGracho
Gentleman Jim Driver
 
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Join Date: Nov 2002
Location: Poulsbo, WA
Posts: 1,554
Re: Which gas tank is main tank?

Quote:
Originally Posted by Corts60 View Post
Incorrect. I have had 5 square bodies with dual tanks and all main tanks were passenger side or RH tank.
Not so fast.
1973-1980 a single tank would have been on the passenger side.
1981-1987 single tank is on the drivers side.

The optional second tank is the "auxiliary tank" by the sales and service documentation so that means the "main tank" matches what the factory installed when they only installed one.
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Joe
'75 GMC Gentleman Jim
'84 Chev C10 Short Wide - Super duper plain (manual steering, manual brakes, no dome light, no cig lighter)
'85 Chev C10 Short Wide - Super plain Vortec 4.8 4L60E trans
also: '81 K30, '83 C30 Crew Dually, '84 M1028 CUCV, '85 M1009 CUCV, another '85 C10 SWB, '87 C10, '87 R30, 2 '89 R3500 Flatbeds
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