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Old 08-20-2007, 08:12 PM   #26
special-K
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Re: 72 Dual tanks valve

Allen,not to be rude,but you sound a bit confused or are cofusing me(take a pick ).What 4x4 bowhunter is refering to the`72-only factory option driver side auxilary tank that was the first dual tank offered by GM.It sounds like you have a single aftermarket tank that most installed on both sides but some only mounted one of.My`72 GMC didn`t have that option.My`72 Chevys do/did.
Factory:

Factory:

Aftermarket w/door:

Aftermarket w/o door:

Some filled in the front of the wheelwell,too.I hope this helps.
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Last edited by special-K; 08-20-2007 at 08:14 PM.
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Old 08-20-2007, 08:19 PM   #27
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Re: 72 Dual tanks valve

anyone have a secret to geting these tanks off
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Old 08-21-2007, 02:16 AM   #28
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Re: 72 Dual tanks valve

Quote:
Originally Posted by deer slayer View Post
anyone have a secret to geting these tanks off
What do you need help with this is Alschevy Im in Fl too email me at

chevyfiveohtwo@yahoo.com or call me after 600 pm at (239) 368-2605
i am Allen jr
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Old 08-21-2007, 02:59 AM   #29
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Re: 72 Dual tanks valve

i am sorry 4x4Bowhunter i am Allen. so what are you going to do with your
old parts are going to sell theam if you are i would like to bye the parts
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Old 08-21-2007, 08:33 AM   #30
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Re: 72 Dual tanks valve

Quote:
Originally Posted by deer slayer View Post
anyone have a secret to geting these tanks off
Yes.
Step one: Put a 1/2 inch breaker bar in the square hole in the bottom of the tank fastener. WHEN it rounds out or simply spins the top bolt head in the bed, move to step two.

Step two: Support the bottom of the tank on a jack stand, put a flap disk in your grinder, and grid the heads off the two carriage bolts that are in your bed that are on the top of the fasteners you just ruined in step 1.

To put it back together, I bought 1/2 inch carriage bolts and 1/2 inch threaded rod. I welded the two together to make to carriage bolts the length I needed.

My tank came out because it was leaking. The guy at the radiator shop that fixed my leaks was impressed with the construction of the extra tank. It is made out of steel plate. You'll probably be long gone before it rusts out. I put a coat of POR-15 on the outside of mine since I had it out anyways. I also made a 2nd hole in the top and dropped in a fuel level float as mine came with no such equipment. I believe the gauge and float were on the order of $15 at JC Whitney. Money well spent in my opinion.
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Old 08-26-2007, 11:53 PM   #31
alschevy
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Re: 72 Dual tanks valve

Well i have seen one saddle tank switche say on the plate J.w.devers it was
in a guys 1970 chevy one ton truck i seen the truck in 1998

1967 chevy one ton wrecker truck
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Old 09-02-2007, 04:43 AM   #32
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Re: 72 Dual tanks valve

Well now i have the SWITCHE and a guy is going to call me back to see if he has the round saddle tanks


1967 chevy one ton wrecker truck
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