Auxilliary Gas Tank on a Longhorn - The 1947 - Present Chevrolet & GMC Truck Message Board Network

BobS · 07-08-2005, 09:19 AM

Does anyone have a Longhorn with a factory installed auxilliary gas tank? I'm curious as to where the filler neck comes out of the boxside and if the tank is larger to take advantage of the extra space in front of the wheel well.

Bob

jec · 07-08-2005, 12:06 PM

Mine had it and has since been removed. I do still have the tank, filler neck, and sheet metal guarding that was mounted inside the bed.

I can take some measurements for you over the weekend.

da-burb · 07-08-2005, 12:52 PM

The ones I have seen are not any larger(around 16-18 gallons). They used the same auxillary tank in the 8' as in the 8 1/2' box. The filler neck on a truck I spotted in a local salvage yard was behind the seam and not further forward on the box. It was possible to get the factory tank as dealer installed so it could end up anywere too.

72 CustomCamper · 07-08-2005, 05:46 PM

Not my truck so I can't get measurements but here is a pic of one...

Chuck

07-08-2005, 09:19 AM	#1
BobS Senior Member Join Date: May 2001 Location: West Central Minnesota Posts: 568	Auxilliary Gas Tank on a Longhorn Does anyone have a Longhorn with a factory installed auxilliary gas tank? I'm curious as to where the filler neck comes out of the boxside and if the tank is larger to take advantage of the extra space in front of the wheel well. Bob __________________ V-6....only GMC Trucks have it! 62 GMC W5000 NAPCO-V6 65 GMC 2500 NAPCO Panel-V6 66 GMC 1000-V6 66 GMC 1500-V6 67 GMC K1500-SBC (originally a KM-V6) 68 GMC C1500-V6 68 GMC C1500-V6 68 GMC Suburban C2500 70 Chevy K20-SBC 71 Chevy C30 Longhorn-SBC 72 GMC Suburban C1500-BBC 72 Chevy C10-SBC 72 GMC C5500-ToroFlow Diesel

07-08-2005, 12:52 PM	#3
da-burb "Ochre Ogre" Join Date: Apr 2000 Location: Springfield, MN Posts: 3,558	The ones I have seen are not any larger(around 16-18 gallons). They used the same auxillary tank in the 8' as in the 8 1/2' box. The filler neck on a truck I spotted in a local salvage yard was behind the seam and not further forward on the box. It was possible to get the factory tank as dealer installed so it could end up anywere too. __________________ Bowtie Truck Stop Inc. Mid-West GM Truck Restoration Parts Supplier Your Key Parts, Auto Metal Direct, Dynacorn, and Goodmark dealer. like us @ www.facebook.com/BowtieTruckStop 1971 C-10 Suburban (Ochre) 1971 K-10 Suburban (Ochre) 1972 C-10 Suburban (Ochre) 1972 K-20 Suburban (Yellow- that just aint right!) Springfield, Minnesota 56087

07-08-2005, 05:46 PM	#4
72 CustomCamper huh ??? Join Date: Nov 2002 Location: Fredericksburg,Va. Posts: 3,369	Not my truck so I can't get measurements but here is a pic of one... Chuck Attached Images __________________ 90 Blazer Silverado 350w/ 700R4 and 32" Kelly's "I am a bomb technician. If you see me running try to keep up!"

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07-08-2005, 12:06 PM	#2
jec Registered User Join Date: May 2000 Location: Middletown, Ohio Posts: 131	Mine had it and has since been removed. I do still have the tank, filler neck, and sheet metal guarding that was mounted inside the bed. I can take some measurements for you over the weekend.



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