there is a rather significant difference between a lug stud, and a 20 year old, heat damaged 7mm stud! Most exhaust shops will heat the stuck parts with the "gas axe" before even attempting removal. ----- Original Message ----- From: "id" <ionicdesign@xxxx> To: <dmcnews@xxxxxxxxxxxxxxx> Sent: Wednesday, May 15, 2002 10:55 Subject: Re: [DML] Re: Exhaust manifolds removal? > personally i worked a a goodyear installing tires, 40 hours a week for 2 years and i > never broke a lug nut off with a impact wrench. in fact there is allot of control with > an impact wrench. there is a dial on the impact that lets you use the amount of force > you want to use to unloosen a bolt or what ever you want to take off. > > a pneumatic ratchet is just as bad because usually there isn't any adjustment for the > force you are applying to the bolts you are taking off and the pneumatic ratchet takes > off with maximum force and maximum force will snap a nut fast. a socket wrench is the > only tool that wouldn't do this because you use your hand to adjust the force being > applied. > > and if you were using universal sockets and extensions with a impact wrench it would > reduce the force even more and i still dont think you could snap a nut with all of these > universal sockets and extensions on anyway. > > i have broken more nuts and bolts with an ordinary socket wrench. pick up a impact > wrench and play with the adjustment dial and you will see what i am talking about. > > mark > > > > jtrealtywebspannet wrote: > > > How would you even get an impact onto the nuts holding the exhaust > > manifolds on? You cannot use universal sockets and extentions as they > > reduce the impact effect and besides there is very little control when > > using an impact wrench. Look at how often they break wheel lugs off in > > tire shops. Even if it did work you would probably rip the threads off > > of everything. Go to Midas or Meineke and you will see how the > > professionals do this kind of work, with an acetalyne torch, sawzalls > > and pneumatic ractchets (not impacts). Everyone has their favorite > > method for removing stubborn fasteners. Many novices are not > > comfortable using a torch but I have found it to be the method of > > choice whenever possible. There are many circumstances where use of a > > torch isn't appropriate, usually because of flammable things too close > > by like fuel lines, cloth, and fiberglass. When working on exhaust > > systems that isn't usually a problem because things that can be > > damaged by heat aren't usually placed close to the exhaust anyway. > > David Teitelbaum > > vin 10757 > > > > --- In dmcnews@xxxx, "Walter Coe" <Whalt@xxxx> wrote: > > > My method of choice for removing stuck bolts is to use an impact > > wrench. My > > > logic here is that a jarring motion is more apt to shake it loose; > > whereas, > > > a slow gradually increasing torque applied by hand will let it twist > > off and > > > > To address comments privately to the moderating team, please address: > > moderator@xxxx > > > > To search the archives or view files, log in at http://groups.yahoo.com/group/dmcnews > > > > Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ > > > > To address comments privately to the moderating team, please address: > moderator@xxxx > > To search the archives or view files, log in at http://groups.yahoo.com/group/dmcnews > > Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ > >