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Any tips on how to get these 2 bad boys out? Im using the pictured extractor but cant get them to budge. Afraid to put some muscle into it because i dont want them to break below the surface of the head.
A simple torch with a MAP canister usually works for me. When you put it back together use some copper anti-seize. Preventative medicine for you and the engine.
A simple torch with a MAP canister usually works for me. When you put it back together use some copper anti-seize. Preventative medicine for you and the engine.
Right, that's a easier solve, MAPP would work in this case. I would use a-seize though, it's to easy to pull the studs out of the heads with it...before achieving torque value. Thread locker blue.
That extractor is crap. Heat works but you still need to grab that stud. Pretty much all the extractors that work the outside of the stud will fail on a firmly stuck one. The heat will loosen it up. I had great luck welding a nut on the end of 8 stuck studs and using a wrench to back them out. A couple of them took more than one try. Center drilling is for professionals, not for amateurs. It's the fastest way to ruin that head. They sell steel templates that help you line up your drill bit when trying to center drill an exhaust stud. I haven't tried it but I think I would if I got to that point.
You might also want to replace your tranny dipstick tube while you're right there. It looks rusty.
06-17-2019, 06:33 PM
Exhaust manifold studs
