Here ya go this is how you get the flywheel nut off.

number 2



pics aren't great. but you get the just of it

last one

oh yeah we used a coal chisel and hammer.

gitta get something to hold the mofo in place. like a long bar with two holes drilled in it to sit on the flywheel and hold its place on the ground

nope just chisel and hammer

How long did that take? It takes me about 10 seconds with an impact gun, and you dont even have to lock the flywheel down. With an impact gun, you can hold it with your hand.

im too poor for impact guns

but it has to be a BFIG, right? I think mine's puny.

425 ft lbs, and still has problems from time to time.

Ive spent more money replacing broken breaker bars from trying to take off the flywheel nut than it costs to get a decent impact gun...

Mazdaspeed, what type of gun did you go with and how big an air tank?

Its a big compressor, 60 gal tank. I dont remember the details though, its just kinda there...



As for the gun, I use this one.

I used a Mac tools impact with a 26 gal tank. My dad and I had to boost up the pressure though for the gun to do any work on that thing seeing as it needed full air pressure to do anything. I forgot the rating, but I think its like 425lbs.

I have no compressor anymore. I had the cats ass when I sandblasted my engine bay, the painter brought his compressor down for me to use with sandblasting. You could open the air tank with a small valve to atmosphere and the compressor would pump out consistant 120lbs nonstop. Perfect for big sandblast jobs and painting.



I already had my own flywheel nut off before the compressor came down, I ended up using an oxy-acetalyne torch to heat up a few shanks on the bolt and got it off with handtools and a hand-flywheel locker (just angle iron with two holes you bolt to the PP tapped holes).



I haven't tried the chizel method yet but I will since I don't have a decent compressor at my garage. I can't even see what you are really doing in the first few pics.. LOL.

it takes about i minute of pounding, the fly wheel has never moved on us yet.

i have a 120lb compressor, my gun is craftsman. Its picky, its taken off flywheels no prob and stuttered on 4wheeler lugs lol.

i did mine w/a 1.5 ft breaker bar no problem, it came off with just using my pinky finger.





(i had a 12ft pipe over the bar=massive leverage)

I got a couple impact guns:

(ratings at 90 psi)

230 ft lbs 1/2 inch drive. Useless on flywheel nuts.

450 ft lbs 3/4 inch drive. Works most of the time with MPS gas to break the loctitie bonds and jacking up the air regulator.



and.... 1100 ft-lbs 1 inch drive https://www.nopistons.com/forums/pub...#>/biggrin.png



The last one I use for flywheel nuts all the time now; it doesn't even hesitate.

I bought it when it went on sale for $350 cdn (normally $650). The thing is heavy as hell, and not even shaped like a normal gun; it has a handle out the side and a trigger set-up more like an engle grinder. Apparently the thing is intended for Tractor-Semi use, but I have had some fun with it.



I've been looking for a while for the electric digital impact guns that will torque to a specific setting; they'd be super handy. I've seen one in person, but never to buy.



I have a 80 gallon standing compressor, 100% duty cycle, 63.5 CFM @ 90 psi.

Milwaukee has a 300 ft-lb electric impact. Model 9072. I'm thinking about picking one of these up for $200. Makita has a 433 ft-lb (model 6906) and a 722 ft-lb (model 6910) electric impact, but the Makita units are a lot more expen$ive.