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Old Mar 29, 2018 | 07:59 PM
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Sigh... sheared it.

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Old Mar 29, 2018 | 08:21 PM
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Well after shearing it... I put some more penatrating oil on it and did the other studs... came back with vice grips and a few hits with a hammer - and the dern thing came out! Early Easter present!



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Old Mar 29, 2018 | 10:01 PM
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Originally Posted by Jeffs 74
Well after shearing it... I put some more penatrating oil on it and did the other studs... came back with vice grips and a few hits with a hammer - and the dern thing came out! Early Easter present!



Sweet! 🤙
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Old Mar 29, 2018 | 11:13 PM
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You got lucky. I had to have one of those drilled out on a manifold one time. Buy a lottery ticket! :-)
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Old Mar 29, 2018 | 11:29 PM
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Don't worry the next one will get even...
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Old Mar 30, 2018 | 06:57 AM
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GM used cheap soft bolts. They drill easy. Roughly same hardness as cast iron, so missing by a hair isn't going to cause broken drill bits or taps.
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Old Mar 30, 2018 | 07:04 AM
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Excellent. Good tip too as I am staring at one of those now. Did you use PB Blaster, WD-40, or some other penetrating oil? Thanks for the pictures.



David
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Old Mar 30, 2018 | 08:04 PM
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Originally Posted by AllVettes4Me
Excellent. Good tip too as I am staring at one of those now. Did you use PB Blaster, WD-40, or some other penetrating oil? Thanks for the pictures.



David
pb blaster - sprayed them in the morning before work and the evening after work for 3 days
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Old Apr 1, 2018 | 08:55 PM
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Heating the area with a small hand-held propane-canister torch while working the vice grips back and forth works well also.
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