Money2536

Thanks Rob! Well done! I need to order my tools.

mooty

rubbaman posted a pic with two breaker bars
one is with precision instrument
the other is from porsche dealer (telescoping)
i have 4 breaker bar (telescoping) from porsche dealer, the one suncoast sells too). it's nice that it telescopes. BUT you will bend it and will no long be telescoping. i am not that big and pretty weak in arm power. YMMV. that's an expensive bar too!

rockitman

You can buy the entire PI torque kit and breaker bar for the cost of the porsche telescoping breaker. It's not going to bend either.

CALSE

My buck trimmer breaker bar setup for under $40.

mooty

u r absolutely right. but i am a slow learner. thought it was my brutal strength or lack of technique that killed the bar. so i had to buy 4 and bend all of them to learn it's not my Zeus strength.

even better.

MayorAdamWest

I've never heard anyone else mention that. It seemed like otyers had no trouble doing it by themselves?

montoya

^ Not needed to have someone hold the wheel unless you have both front wheels off the ground, then maybe if you aren't using a torque multiplier.

Mike in CA

I haven't done the wheels yet, but I have lifted the car. The 991 chassis is so stiff that if you lift at one front jacking point you'll take most if not all of the weight off of the other side as well. I suspect that's the issue.....

montoya

Never an issue on the .2 and come to think of it, I removed all four wheels with the car on the jack stands. I never thought of it, but the torque multiplier stabilizes the wheel against the ground (or wood block in my case) so this was a non issue. I've seen plenty of people lift .2 GT3 from one side and remove front wheels with a lever arm no problem. I don't think there would be any difference with the 991 GT3.

Mike in CA

Sorry, not trying to be argumentative. Clearly, rubbaman had an actual issue with the wheels turning while torqueing the CL and it is mentioned specifically in the manual so there's that. I haven't tried it personally, just trying to think of an explanation for what happened to him.

Also, the body of the 991 is torsionally stiffer than the 997.2 body by about 25%, so that may be relevant when comparing jacking a 997.2 to a 991. Or not, just sayin'....

Todd B

+1, never an issue in the .2, and I always had the car up off all 4 wheels on jackpoint jack stands. And using the PI TQ wrench.

montoya

Yes, we will just have to try it. Could be that it will take lifting on both jack points on one side to keep the other side on the ground to make the torqueing a one man job with a lever arm. Another reason for a torque multiplier!

Well again, I would say this is all about technique and practice.

Mike in CA

In my case, the torque multiplier train has left the station....

Ok, so while chassis stiffness might be a factor when lifting one front corner, it shouldn't be an issue with all 4 wheels off the ground.

It could be technique but also maybe the EM steering in the 991 offers less resistance to turning with the engine off than the hydraulic rack in the 997.2. Even more likely reason: the 997.2 GT3 has a steering wheel lock when the key is removed from the ignition. If the wheels are turned slightly, they lock up. The 991 GT3 doesn't have a steering lock. I can turn the wheel fully both directions with no key in the ignition.

SanDiegoDavid

Rob,

Great post!

David

CALSE

^^^^This and....

Even when I lowered the fronts such that one wheel was in contact with the ground, with the high amount of torque being applied coupled with the extension bar arm offset, the wheels did tend to rotate........Son! Hold the steering wheel tight and press the brake for daddy.;-) Problem solved.