Shop to shave rotors
Thread Starter
Registered User
Joined: Jul 2009
Posts: 432
From: 209
Car Info: 2005 STi
they use an on the car lathe but there are a few issues I have with On the car lathes.
Using up gas
making sure the car does not overheat
4wheel drive.
etc
I never really had a problem with either however a shop with a aamco lathe (turns rotors off the car) would probably benefit you in terms of cost. I've used both and still prefer the AAMCO lathe.
Using up gas
making sure the car does not overheat
4wheel drive.
etc
I never really had a problem with either however a shop with a aamco lathe (turns rotors off the car) would probably benefit you in terms of cost. I've used both and still prefer the AAMCO lathe.
i-Club Sympathizer
Joined: Jan 2007
Posts: 3,165
From: Mazda NAO
Car Info: 1969 BMW R75/5 & Work Whip
they use an on the car lathe but there are a few issues I have with On the car lathes.
Using up gas
making sure the car does not overheat
4wheel drive.
etc
I never really had a problem with either however a shop with a aamco lathe (turns rotors off the car) would probably benefit you in terms of cost. I've used both and still prefer the AAMCO lathe.
Using up gas
making sure the car does not overheat
4wheel drive.
etc
I never really had a problem with either however a shop with a aamco lathe (turns rotors off the car) would probably benefit you in terms of cost. I've used both and still prefer the AAMCO lathe.
The reason the rotors are turned on the car is because when a rotor is torqued behind a wheel it can change shape slightly. Turning the rotor while it's torqued and in it's final position offers a more accurate cut. You're correcting for the runout that occurs when the rotor is on the car, basically.
Thread Starter
Registered User
Joined: Jul 2009
Posts: 432
From: 209
Car Info: 2005 STi
The car isn't running when the rotors are being turned so there is no risk of overheating nor fuel consumption. The car is OFF. It doesn't hurt anything.
The reason the rotors are turned on the car is because when a rotor is torqued behind a wheel it can change shape slightly. Turning the rotor while it's torqued and in it's final position offers a more accurate cut. You're correcting for the runout that occurs when the rotor is on the car, basically.
The reason the rotors are turned on the car is because when a rotor is torqued behind a wheel it can change shape slightly. Turning the rotor while it's torqued and in it's final position offers a more accurate cut. You're correcting for the runout that occurs when the rotor is on the car, basically.
i-Club Sympathizer
Joined: Jan 2007
Posts: 3,165
From: Mazda NAO
Car Info: 1969 BMW R75/5 & Work Whip
they use an on the car lathe but there are a few issues I have with On the car lathes.
Using up gas
making sure the car does not overheat
4wheel drive.
etc
I never really had a problem with either however a shop with a aamco lathe (turns rotors off the car) would probably benefit you in terms of cost. I've used both and still prefer the AAMCO lathe.
Using up gas
making sure the car does not overheat
4wheel drive.
etc
I never really had a problem with either however a shop with a aamco lathe (turns rotors off the car) would probably benefit you in terms of cost. I've used both and still prefer the AAMCO lathe.
Ive seen it done each time and the tech's use the same method at the dealership. Ryan isnt lying.
Friendly Neighborhood Ogre
iTrader: (6)
Joined: Mar 2000
Posts: 19,930
From: www.gunatics.com
Car Info: GUNATICS.COM
Yeah, I go there too and have been going there for years... It's a family-like business and the same guy has been machining my parts since the first time I went there. They do good work and I like to support the small guy.
Registered User
Joined: Jan 2010
Posts: 85
From: San Jose, CA
Car Info: 1991 Mitsubishi Galant VR-4
yeah you're right. I forgot there were the ones that had a machine turn the rotor while the rotor is on the car
In which case might be better however cost more to turn rotors.
still i have my own concerns with 4wd.
In which case might be better however cost more to turn rotors.
still i have my own concerns with 4wd.
Last edited by Crafty Slug; Jan 5, 2011 at 10:12 AM.
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jimr
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Apr 28, 2004 01:25 AM
