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I have been tossing around this idea of making my own special mix of CLR and a wd40 liquid wrench kinda stuff to help remove the studs out of my V10. I'm thinking the CLR will eat the rust and the other will help it soak it in. Too much free time I know... Will be cutting off the nuts to get to the studs. Maybe a spray of the clr for a bit then a blast of the lw. It will only be the stud into the head not the nuts off the studs. Some of mine look like Titanic hardware.
I haven't done studs yet. However I do like PB blaster for things like you are talking about. Add a little heat I think it would work.
Totally agree with the PB Blaster recommendation. Love that stuff for rusty situations.
Spray with PB, then hit it with a hand-held propane torch to drive it into the joint. Repeat. I've heard that as long as you don't spray PB directly into the flame, it won't catch fire. Should be OK to spray, then heat though. It'll smoke like crazy, but shouldn't catch fire. Just what I've heard. Use at your own risk, of course.
Look for Kroil or JB80. Best stuff I have ever found and I used to live in Ohio. Sprayed a set of Chevy exhaust studs down with JB80 the day before pulling the trans. I figured everyone would snap they were so thin. All six came right off without a single problem.
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