81/4 to 8 3/4 Rear 71 B Body-Parts Interchange ?'s - Moparts Forums

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81/4 to 8 3/4 Rear 71 B Body-Parts Interchange ?'s #244728 03/06/09 02:28 AM 03/06/09 02:28 AM
Joined: Jul 2008 Posts: 403 NE Ohio 7 71 FJ6 Charger OP mopar
71 FJ6 Charger OP mopar 7 Joined: Jul 2008 Posts: 403 NE Ohio	Can I use the housing mounts,U-bolts and brake hardware/backing plates etc.from my 8 1/4 rear in the car now on my 8 3/4 I am about to put in? I believe I can use the drive shaft also from the 8 1/4 in the car. And yes it is a bigblock car. Just need someone to help verify. Thanks '71 383HP FJ6 Charger SE

Re: 81/4 to 8 3/4 Rear 71 B Body-Parts Interchange ?'s [Re: 71 FJ6 Charger] #244729 03/06/09 02:35 AM 03/06/09 02:35 AM
Joined: Apr 2005 Posts: 12,271 Overpriced Housing Central RobX4406 I Live Here
RobX4406 I Live Here Joined: Apr 2005 Posts: 12,271 Overpriced Housing Central	You should be able to use that stuff, except the driveshaft. The driveshaft might be about 2/3-3/4" too long. The yoke points to axle centerline are different on each rear axle.

Re: 81/4 to 8 3/4 Rear 71 B Body-Parts Interchange ?'s [Re: RobX4406] #244730 03/06/09 02:39 AM 03/06/09 02:39 AM
Joined: Jul 2008 Posts: 403 NE Ohio 7 71 FJ6 Charger OP mopar
71 FJ6 Charger OP mopar 7 Joined: Jul 2008 Posts: 403 NE Ohio	OK,anyone else? Only want to do this once! '71 383HP FJ6 Charger SE

Re: 81/4 to 8 3/4 Rear 71 B Body-Parts Interchange ?'s [Re: 71 FJ6 Charger] #244731 03/06/09 08:43 AM 03/06/09 08:43 AM
Joined: Nov 2003 Posts: 12,494 Western Colorado High Desert moparmarks I Live Here
moparmarks I Live Here Joined: Nov 2003 Posts: 12,494 Western Colorado High Desert	Like Rob said, can use everything but the shaft. That will need to be reworked or replaced. 72 Satellite Sebring Plus 440, 72 Dart 5.9 4-spd, 68 Valiant, 73 W200, 78 D100 sb, 78 D200, 98 DAKOTA, . Moparmarks Parts & Restorations Desert Mopar Metal Grand Jct. CO 970-261-7039 http://moparmark.com/ motormangj@gmail.com

Re: 81/4 to 8 3/4 Rear 71 B Body-Parts Interchange ?'s [Re: 71 FJ6 Charger] #244732 03/06/09 08:53 AM 03/06/09 08:53 AM
Joined: Jan 2003 Posts: 2,015 Frederick, MD 7 71charger top fuel
71charger top fuel 7 Joined: Jan 2003 Posts: 2,015 Frederick, MD	I put an 8.75 in my 8.25 equipped '71 back in '94. I didn't switch the driveshaft and it's been fine for almost 15 years. That's longer than most new cars live.

Re: 81/4 to 8 3/4 Rear 71 B Body-Parts Interchange ?'s [Re: 71charger] #244733 03/06/09 10:29 AM 03/06/09 10:29 AM
Joined: Jul 2008 Posts: 403 NE Ohio 7 71 FJ6 Charger OP mopar
71 FJ6 Charger OP mopar 7 Joined: Jul 2008 Posts: 403 NE Ohio	OK,I need Nacho,I know he's got somethin on this.If I can get an exact length,I'll get it cut and balanced. Unless someone feels like measuring their's center to center and posting it. Thanks all. '71 383HP FJ6 Charger SE

Re: 81/4 to 8 3/4 Rear 71 B Body-Parts Interchange ?'s [Re: 71 FJ6 Charger] #244734 03/06/09 05:02 PM 03/06/09 05:02 PM
Joined: Aug 2007 Posts: 6,095 Valencia, España NachoRT74 master
NachoRT74 master Joined: Aug 2007 Posts: 6,095 Valencia, España	already PM'd you through DC.com the COMPLETE info I have around. Just what parts manual states With a Charger born in Chrysler assembly plant in Valencia, Venezuela

Re: 81/4 to 8 3/4 Rear 71 B Body-Parts Interchange ?'s [Re: NachoRT74] #244735 03/06/09 08:46 PM 03/06/09 08:46 PM
Joined: Jan 2003 Posts: 1,771 Rustylvania M Mr_fixit top fuel
Mr_fixit top fuel M Joined: Jan 2003 Posts: 1,771 Rustylvania	The driveshaft difference is only about 1/2" . That close enough to work.

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