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Green bearings with disc brake setups?? #551734 12/12/09 02:49 PM 12/12/09 02:49 PM
Joined: Feb 2007 Posts: 1,025 Las Vegas, NV dodgeboy11 OP super stock
dodgeboy11 OP super stock Joined: Feb 2007 Posts: 1,025 Las Vegas, NV	Can somebody please explain to me why most of the rear disc brake kits I'm finding require green bearings on an 8-3/4"? I was always under the impression that the green bearings are a ball bearing and that's not exactly the ticket for something that is going to be turning, a lot, at speed.

Re: Green bearings with disc brake setups?? [Re: dodgeboy11] #551735 12/12/09 02:52 PM 12/12/09 02:52 PM
Joined: Jan 2003 Posts: 32,394 Q Quicktree I Win
Quicktree I Win Q Joined: Jan 2003 Posts: 32,394	probably because the green bearings are solid and don't need adjustment, the stock type have movement and could cause the rotor to hit the caliper. green bearings don't like to do a lot of turning though some have used them on the street for a while.

Re: Green bearings with disc brake setups?? [Re: Quicktree] #551736 12/12/09 04:02 PM 12/12/09 04:02 PM
Joined: Jan 2003 Posts: 4,616 Kissimmee Fl. D dusturbd340W5 master
dusturbd340W5 master D Joined: Jan 2003 Posts: 4,616 Kissimmee Fl.	Quote: probably because the green bearings are solid and don't need adjustment, the stock type have movement and could cause the rotor to hit the caliper. green bearings don't like to do a lot of turning though some have used them on the street for a while. sorry I disagree ford has been using the same style bearing in there rears for 30+ years with no problem so has olds in the past 70 duster full chassis super pro 416 CNC Indybrock heads 727 w/brake best so far 1.212 60 6.219 in 1/8 at 110.88 9.768 at 137.81 1/4

Re: Green bearings with disc brake setups?? [Re: dusturbd340W5] #551737 12/12/09 04:24 PM 12/12/09 04:24 PM
Joined: Jan 2003 Posts: 42,714 Spokane Washington ScottSmith_Harms Mr Wizzard
ScottSmith_Harms Mr Wizzard Joined: Jan 2003 Posts: 42,714 Spokane Washington	What rear bearings are the Mopar Road Racers and AutoXr's running?

Re: Green bearings with disc brake setups?? [Re: dusturbd340W5] #551738 12/12/09 05:01 PM 12/12/09 05:01 PM
Joined: Jan 2003 Posts: 32,394 Q Quicktree I Win
Quicktree I Win Q Joined: Jan 2003 Posts: 32,394	Quote: Quote: probably because the green bearings are solid and don't need adjustment, the stock type have movement and could cause the rotor to hit the caliper. green bearings don't like to do a lot of turning though some have used them on the street for a while. sorry I disagree ford has been using the same style bearing in there rears for 30+ years with no problem so has olds in the past OK why do they tell you to use green bearings? I was just guessing. thats the only reason I could think of

Re: Green bearings with disc brake setups?? [Re: dodgeboy11] #551739 12/12/09 06:55 PM 12/12/09 06:55 PM
Joined: Jan 2003 Posts: 31,050 Oregon A AndyF I Win
AndyF I Win A Joined: Jan 2003 Posts: 31,050 Oregon	That is why the brake kit from DoctorDiff is the way to go. He properly designed a brake kit for the Mopar rearend so that it could retain the tapered roller bearings.

Re: Green bearings with disc brake setups?? [Re: AndyF] #551740 12/12/09 07:14 PM 12/12/09 07:14 PM
Joined: Feb 2007 Posts: 1,025 Las Vegas, NV dodgeboy11 OP super stock
dodgeboy11 OP super stock Joined: Feb 2007 Posts: 1,025 Las Vegas, NV	Quote: That is why the brake kit from DoctorDiff is the way to go. He properly designed a brake kit for the Mopar rearend so that it could retain the tapered roller bearings. That is the answer I was looking for, thanks Andy..

Re: Green bearings with disc brake setups?? [Re: dodgeboy11] #551741 12/12/09 07:33 PM 12/12/09 07:33 PM
Joined: Jan 2003 Posts: 31,050 Oregon A AndyF I Win
AndyF I Win A Joined: Jan 2003 Posts: 31,050 Oregon	Most of the rear disc kits on the market (Wilwood, etc) are for drag racing and people don't care which bearing they use. The other kits on the market are designed to be cheap and easy to install because they are for the "looks" crowd. If you really want rear discs on a corner turner then you need to dig a little deeper with the research. DoctorDiff is the only kit that I know that I'd put on a road course car. The Baer kit might be okay also but I haven't seen it in person.

Re: Green bearings with disc brake setups?? [Re: dodgeboy11] #551742 12/12/09 09:27 PM 12/12/09 09:27 PM
Joined: Jan 2003 Posts: 8,016 Polson, MT DoctorDiff master
DoctorDiff master Joined: Jan 2003 Posts: 8,016 Polson, MT	3 reasons I offer my own rear disc brake kits that work with either stock or Green wheel bearings: 1. Most other kits incorporate a caliper bracket that doubles as a cumbersome bearing retainer, incompatable with stock bearings. 2. Most other rear caliper brackets have insufficient backspacing to allow for varying axle flange stand-out associated with adjustable wheel bearings. 3. Piston size in most other (street style) rear disc brake kits is too large. This usually results in a rear biased brake system. Contact info

Re: Green bearings with disc brake setups?? [Re: Quicktree] #551743 12/12/09 09:54 PM 12/12/09 09:54 PM
Joined: Jan 2003 Posts: 4,616 Kissimmee Fl. D dusturbd340W5 master
dusturbd340W5 master D Joined: Jan 2003 Posts: 4,616 Kissimmee Fl.	Quote: Quote: Quote: probably because the green bearings are solid and don't need adjustment, the stock type have movement and could cause the rotor to hit the caliper. green bearings don't like to do a lot of turning though some have used them on the street for a while. sorry I disagree ford has been using the same style bearing in there rears for 30+ years with no problem so has olds in the past OK why do they tell you to use green bearings? I was just guessing. thats the only reason I could think of Tony I was refering to the part about them not liking going around corners. 70 duster full chassis super pro 416 CNC Indybrock heads 727 w/brake best so far 1.212 60 6.219 in 1/8 at 110.88 9.768 at 137.81 1/4

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