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Broken Key gas tank need help

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Old Jul 28, 2012 | 03:22 PM
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Default Broken Key gas tank need help

I broke my key for the gas cap. Can anyone tell me how to get this off. I have the original not locking cap. Thie is for a 1970 LT1.
Thanks in Advance.
Nelson77
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Old Jul 28, 2012 | 03:37 PM
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Locksmith

How close to a prison do you live? Safecracker
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Old Jul 28, 2012 | 03:56 PM
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If the key is in the lock, use a screw driver to turn it to unlock and remove it.
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Old Jul 28, 2012 | 03:57 PM
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A locksmith can use a serrated key extractor to remove the broken key and a simple pick/rake and tension wrench to open/remove the cap.

I suspect you can have him make a new key based upon copying the old one once removed.

No biggie.
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Old Jul 28, 2012 | 07:55 PM
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Is this a generic parts store cap? If it's the kind that just spins freely when locked, you can usually just push down on it and turn at the same time and it'll come off. Kind of like a childproof medicine bottle.
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Old Jul 28, 2012 | 07:58 PM
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Originally Posted by Greatsteaks
If the key is in the lock, use a screw driver to turn it to unlock and remove it.
Simple as that.
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Old Jul 29, 2012 | 01:03 AM
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If none of these work, and if, its plastic, take a pair of channel locks and break the top off, after that just unscrew the bottom.
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Old Jul 29, 2012 | 11:27 AM
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Drill the lock and then screw in a slide hammer. Tumblers come right out and off comes the cap.
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Old Jul 29, 2012 | 11:31 AM
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Thanks for all the advice. I was able to open it with a paperclip and a curved pick device I used for fishing wire. Now to find a vented gas cap.
Thanks All
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Old Jul 29, 2012 | 11:42 AM
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Originally Posted by nelson007
Thanks for all the advice. I was able to open it with a paperclip and a curved pick device I used for fishing wire. Now to find a vented gas cap.
Thanks All
Well that was easy enough....lol
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Old Jul 29, 2012 | 02:43 PM
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Happy-ending!
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Old Jul 29, 2012 | 04:02 PM
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Originally Posted by nelson007
Thanks for all the advice. I was able to open it with a paperclip and a curved pick device I used for fishing wire. Now to find a vented gas cap.
Thanks All
Congratulations on getting the cap off.

Your going to want a sealed cap on your 70 LT-1, if your trying to keep it correct and original. 69 was the last year for the vented cap.
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Old Jul 29, 2012 | 06:22 PM
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If you have a sealed cap and want to make it vented drill a small hole on the inside bottom and another on the outside top. I had to do that on my 71 because I had to plug the canister vent untill I can drop the tank and fix it properly. Works great and the cap does not leak even with a full tank.
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Old Jul 29, 2012 | 10:05 PM
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I took the cap off my 68 thats not being used at this time. The 68 has a vented cap is the correct one to use on my 70 LT-1?
Thanks
Nelson007
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Old Jul 29, 2012 | 10:41 PM
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Originally Posted by nelson007
I took the cap off my 68 thats not being used at this time. The 68 has a vented cap is the correct one to use on my 70 LT-1?
Thanks
Nelson007
No, 1969 was the last year to use the vented caps.

For 1970, the cap is sealed, and the tank vents through a line that runs down the left side of the frame, and into a charcoal canister mounted in the area below the master cylinder.
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Old Jul 29, 2012 | 11:29 PM
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Thanks a lot, I have 2 C3's and both were bought in the last 4 months. The others I had were always older c1's and c2"s? I will have to buy some books on the c3's and do some studying .
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