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| | | Forums66 Topics128,177 Posts1,057,060 Members48,460 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Jul 2006 Posts: 243 Shop Shark | | Shop Shark Joined: Jul 2006 Posts: 243 | guys, whats the best rust blaster to spray on stuck rusted screws, bolts and nuts? thanks | | | | | Joined: Jul 2005 Posts: 308 'Bolter | | 'Bolter Joined: Jul 2005 Posts: 308 | I think it is called PB Blaster that I use, it is much better than wd-40
Ed | | | | | Joined: May 2004 Posts: 920 'Bolter | | 'Bolter Joined: May 2004 Posts: 920 | | | | | | Joined: Aug 2005 Posts: 157 Wrench Fetcher | | Wrench Fetcher Joined: Aug 2005 Posts: 157 | Kroil and PB Blaster are both excellent. We use Kroil to dismantle boiler and running gear parts on steam locomotives. PB Blaster is no slouch either. Both penetrate way better than liquid wrench.
WD-40 is not intended for use freeing rusted nuts and bolts, etc. | | | | | Joined: Aug 2005 Posts: 6,378 Ex Hall Monitor | | Ex Hall Monitor Joined: Aug 2005 Posts: 6,378 | A torch (when you can use it & not burn your garage to the ground) then PB Blaster after it cools a bit. The torch expands the metal, breaking the rust loose & the PB finishes the job.
Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.
| | | | | Joined: Feb 2005 Posts: 469 Shop Shark | | Shop Shark Joined: Feb 2005 Posts: 469 | On rusted nuts that you can't use a torch on a nut cracker works great if you don't care about losing the nut. Most of the time a cracker will not harm the bolt or stud. | | | | | Joined: May 2004 Posts: 351 Wrench Fetcher | | Wrench Fetcher Joined: May 2004 Posts: 351 | I use Brake Free by Dupont. You get it a gun stores. Even Walmart has it in their gun section. But forget the sissy stuff. Get yourself the longest breaker bar you can (1/2 inch) Craftsman is about $25. Worth it. Nothin will stop you. It will snap the bolt shaft. and thats OK. Was too rusted to save anywise.  | | | | | Joined: Mar 2006 Posts: 483 Shop Shark | | Shop Shark Joined: Mar 2006 Posts: 483 | | | | | | Joined: Mar 2005 Posts: 121 Wrench Fetcher | | Wrench Fetcher Joined: Mar 2005 Posts: 121 | Chrysler Heat Riser Valve Penetrant. Available at any Chrysler dealer.
Dave
66 GMC- father /son project with the "GMC KID"
36 Chevy PU- 4x4 lifetime project
64 Skylark- wife says its hers
| | | | | Joined: Aug 2005 Posts: 125 6 heaven | | 6 heaven Joined: Aug 2005 Posts: 125 | Before you spray anything on the bolt/nut try to heat it red hot, then keep spraying water on it, the water will boil off at first til it cools, then try to unscrew it. repeat if necessary. Use this method before spraying any kind of lubricant or store bought stuffon it! Works like a charm most of the time. | | | | | Joined: Apr 2006 Posts: 172 Wrench Fetcher | | Wrench Fetcher Joined: Apr 2006 Posts: 172 | | | | | | Joined: May 2004 Posts: 351 Wrench Fetcher | | Wrench Fetcher Joined: May 2004 Posts: 351 | Twist it off with a breaker bar. | | | | | Joined: Mar 2004 Posts: 3,068 'Bolter | | 'Bolter Joined: Mar 2004 Posts: 3,068 | | | |
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