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Old 04-06-2016, 08:47 PM   #1
projectking
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Fuel tank for diesel

Searched the forum for which fuel tank is best for my '68 GMC C30 that is receiving a '93 12 valve Cummins. Came up with the 31 gallon suburban tank and want to know if a galvanized steel tank is ok or should I go with a poly tank? Seems that diesel fuel brakes down galvanizing over time. Thanks in advance!
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Old 04-06-2016, 11:19 PM   #2
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Re: Fuel tank for diesel

You can get a 40 gal diesel burb tank and use it but it may take some modifications to get it mounted in the 68 Frame. I had one mocked up in my 72 C30 frame so it will fit.
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Old 04-07-2016, 07:42 AM   #3
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Re: Fuel tank for diesel

This is one of the tanks that come up for the diesel engine burb. Says in the description that it is galvanized....

http://www.rockauto.com/en/moreinfo....nid=447&jpid=3
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Old 04-07-2016, 07:48 AM   #4
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Re: Fuel tank for diesel

There is another that says its Ni Terne steel. I like the 31 gallon because it doesn't hang down as much.
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Old 04-07-2016, 03:11 PM   #5
Dieselwrencher
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Re: Fuel tank for diesel

I know the ford diesel tanks are galvanized inside. I've never seen any issues with the galvanizing coming off on them. The tanks usually rust out first. I put a new galvanized 40gal burb tank in a 89 V2500 and I haven't heard from the owner in along time so all must be well there.
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1972 Chevy Longhorn K30 Cheyenne Super, 359 Inline 6 cylinder, Auto Trans, Tilt, Diesel Tach/Vach, Buckets, Rare Rear 4-link and air ride option Build Thread
1972 GMC Sierra Grande Longhorn 4x4
1972 Chevy Cheyenne Super K20 Long Step side tilt, tach, tow hooks, AC, 350 4 speed
1972 C10 Suburban Custom Deluxe
1969 Chevy milk truck
1971 Camaro RS 5.3 BTR STG3 Cam Super T10
1940 Ford 354 Hemi 46RH Ford 9" on air ride huge project


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Old 04-07-2016, 06:49 PM   #6
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Re: Fuel tank for diesel

Thank you for your reply, exactly what I was wanting to know!
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Old 04-11-2016, 12:53 PM   #7
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Re: Fuel tank for diesel

Neighbors F450 just lost both plastic tanks. Made a mess of the injection system. Took out the pump and lifters according to Ford.
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Old 04-11-2016, 03:10 PM   #8
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Re: Fuel tank for diesel

Quote:
Originally Posted by burnin oil View Post
Neighbors F450 just lost both plastic tanks. Made a mess of the injection system. Took out the pump and lifters according to Ford.
What do you mean ( lost both plastic tanks)?
Diesel doesn't eat plastics.
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