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11.75 rotors #236961 02/26/09 02:29 PM 02/26/09 02:29 PM
Joined: Jan 2004 Posts: 5,476 3 340dart4spd OP Parts Problem
340dart4spd OP Parts Problem 3 Joined: Jan 2004 Posts: 5,476	will they work on a b body 68-70

Re: 11.75 rotors [Re: 340dart4spd ] #236962 02/26/09 02:36 PM 02/26/09 02:36 PM
Joined: Jul 2006 Posts: 106 Waterloo Iowa 8 80mirada member
80mirada member 8 Joined: Jul 2006 Posts: 106 Waterloo Iowa	If you are using 73-76 A body spindles, and the correct caliper adapter, yes.

Re: 11.75 rotors [Re: 80mirada] #236963 02/26/09 05:52 PM 02/26/09 05:52 PM
Joined: Jan 2003 Posts: 31,061 Oregon A AndyF I Win
AndyF I Win A Joined: Jan 2003 Posts: 31,061 Oregon	The universe of available knuckles that will work is larger than that but the basic idea is correct.

Re: 11.75 rotors [Re: 340dart4spd ] #236964 02/26/09 09:43 PM 02/26/09 09:43 PM
Joined: Feb 2009 Posts: 982 W. Sacto CA. USA P phantomx super stock
phantomx super stock P Joined: Feb 2009 Posts: 982 W. Sacto CA. USA	Scarebird is now selling a bushing for the inner wheel bearing so you can use later discs on early spindles. The later bearing has a larger ID than the earlier one. Travis.. 70 GTX project, orig 440-4, 4 spd, track pack, FC7, stripper/street racer special.

Re: 11.75 rotors [Re: 340dart4spd ] #236965 02/26/09 11:23 PM 02/26/09 11:23 PM
Joined: Oct 2004 Posts: 134 Smyrna,TN. C cudagregs member
cudagregs member C Joined: Oct 2004 Posts: 134 Smyrna,TN.	Dr. Diff sells the spindle bushing so you can add the larger rotors on your spindles but you must use different caliper brackets and u will have to use 15" tires to clear the calipers....

Re: 11.75 rotors [Re: cudagregs] #236966 02/27/09 10:38 AM 02/27/09 10:38 AM
Joined: Jul 2006 Posts: 106 Waterloo Iowa 8 80mirada member
80mirada member 8 Joined: Jul 2006 Posts: 106 Waterloo Iowa	I didn't want to stir up the lateB,F,J,M-body spindle debate. The 73-76 A-body spindles are the same number as the late E-body one, and the most common in the conversion kits, didn't know about the spcer bushing, but would the later caliper adapters work with the early B-body spindle?

Re: 11.75 rotors [Re: 80mirada] #236967 02/27/09 12:11 PM 02/27/09 12:11 PM
Joined: Jan 2003 Posts: 75,082 U.S.S.A. JohnRR I Win
JohnRR I Win Joined: Jan 2003 Posts: 75,082 U.S.S.A.	Quote: I didn't want to stir up the lateB,F,J,M-body spindle debate. The 73-76 A-body spindles are the same number as the late E-body one, and the most common in the conversion kits, didn't know about the spcer bushing, but would the later caliper adapters work with the early B-body spindle? edit ... HOW early ? Last edited by Johnahah; 02/27/09 12:13 PM.

Re: 11.75 rotors [Re: 80mirada] #236968 02/27/09 12:11 PM 02/27/09 12:11 PM
Joined: Jan 2003 Posts: 8,016 Polson, MT DoctorDiff master
DoctorDiff master Joined: Jan 2003 Posts: 8,016 Polson, MT	Yes, my bushing and seal package allows a '73 and newer rotor to work with '70-'72 B/E body disc knuckles. You must also run '73 and newer caliper brackets. Contact info

Re: 11.75 rotors [Re: DoctorDiff] #236969 02/28/09 01:08 AM 02/28/09 01:08 AM
Joined: Dec 2003 Posts: 10,938 Spokane Valley, WA Big Bad Bee I Live Here
Big Bad Bee I Live Here Joined: Dec 2003 Posts: 10,938 Spokane Valley, WA	Mopar Action 11.75 disk swap This is one of Mopar Action's all time best tech articles. Correct geometry, all chrysler parts, and the whole shooting match will run you under 4 bills. When I pulled together the parts for my cuda, I used NAPA for rotors, hoses, bearings calipers (They let me exchange a couple B body cores for the E's ). My local Dodge dealer rounded up dust shields and I landed a set of semi metalic cop break pads for me (I think they are all gone now). I also went with the mopar aluminum master cylinder and MP/Willwood proportioning valve. My spindles came from a 73 feather duster and my brackets came from a StRegis (Junk yard items). You will enjoy the article. Rick Ehernberg is the man. I’m listening.

Re: 11.75 rotors [Re: Big Bad Bee] #236970 02/28/09 02:24 AM 02/28/09 02:24 AM
Joined: Jan 2003 Posts: 4,152 SO. CAL. 7 70blackfish master
70blackfish master 7 Joined: Jan 2003 Posts: 4,152 SO. CAL.	I have a kit with calipers and rotors foe sale in the for sale ads.like new drilled and slotted rotors

Re: 11.75 rotors [Re: DoctorDiff] #236971 02/28/09 01:30 PM 02/28/09 01:30 PM
Joined: Jan 2003 Posts: 8,501 Candler,NC / Myrtle Beach, SC J JDMopar master
JDMopar master J Joined: Jan 2003 Posts: 8,501 Candler,NC / Myrtle Beach, SC	Quote: Yes, my bushing and seal package allows a '73 and newer rotor to work with '70-'72 B/E body disc knuckles. You must also run '73 and newer caliper brackets. Doc....do the adapter bushings have to be pressed onto the spindles? It would seem like they would need to be so they wouldn't rotate

Re: 11.75 rotors [Re: JDMopar] #236972 02/28/09 02:06 PM 02/28/09 02:06 PM
Joined: Jan 2003 Posts: 8,016 Polson, MT DoctorDiff master
DoctorDiff master Joined: Jan 2003 Posts: 8,016 Polson, MT	The inside edge of the bearing seats against a lip on the bushing. The bushings are a tight slip fit, just like the bearings. Contact info

Re: 11.75 rotors [Re: DoctorDiff] #236973 02/28/09 02:54 PM 02/28/09 02:54 PM
Joined: Jan 2003 Posts: 1,379 Houston,Tx. L Lee446 pro stock
Lee446 pro stock L Joined: Jan 2003 Posts: 1,379 Houston,Tx.	Who has the caliper adapters for the 11.75?

Re: 11.75 rotors [Re: Lee446] #236974 02/28/09 03:01 PM 02/28/09 03:01 PM
Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska	I'd like to nab a set myself. I think the last pair I saw here was $75 which is too high for me. I didn't have the money at the time(still dont ). live every 24 hour block of time like it's your last day on earth

Re: 11.75 rotors [Re: Lee446] #236975 02/28/09 03:03 PM 02/28/09 03:03 PM
Joined: Jan 2003 Posts: 8,016 Polson, MT DoctorDiff master
DoctorDiff master Joined: Jan 2003 Posts: 8,016 Polson, MT	The only 11.75" caliper brackets available are used. Contact info

Re: 11.75 rotors [Re: DoctorDiff] #236976 02/28/09 07:23 PM 02/28/09 07:23 PM
Joined: Jan 2003 Posts: 8,501 Candler,NC / Myrtle Beach, SC J JDMopar master
JDMopar master J Joined: Jan 2003 Posts: 8,501 Candler,NC / Myrtle Beach, SC	Thank you.

Re: 11.75 rotors [Re: DoctorDiff] #236977 03/01/09 01:36 AM 03/01/09 01:36 AM
Joined: Jan 2004 Posts: 3,001 Coram, NY Pool Fixer master
Pool Fixer master Joined: Jan 2004 Posts: 3,001 Coram, NY	Quote: The only 11.75" caliper brackets available are used. that's a part that should be reproduced. I had a tough time finding them 10 years ago when I did the swap

Re: 11.75 rotors [Re: Pool Fixer] #236978 03/01/09 08:04 AM 03/01/09 08:04 AM
Joined: Jul 2004 Posts: 3,819 Arlington, Texas B bobby66 master
bobby66 master B Joined: Jul 2004 Posts: 3,819 Arlington, Texas	Quote: Quote: The only 11.75" caliper brackets available are used. that's a part that should be reproduced. I had a tough time finding them 10 years ago when I did the swap Master Power advetised those for a while, but I haven't seen them lately.

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