Chrysler used the 8 3/4 right into 74. And in A-bodies 73+ they were 4.5" bolt circle. My fiends original 73 Duster /6 had a 8 3/4 with a 489 case. Meanwhile my 63 Polara has the small 741 case and the stupid keyways for the drums. A B-body 8 3/4 will not fit an A-body without being narrowed. On Fri, Aug 8, 2008 at 5:29 PM, Dan McCormack <mcwheels@xxxxxxxxxxxxxx> wrote: > > Well it is true that 73 and up A bodies that had the disc brake option had a > 4 1/2" bolt pattern. But I'm almost positive that Mopar never put an 8 3/4 > rear end in an A body after 1972. (anybody know of one?) They switched to > the Spicer 8 1/4" in the 1973 A bodies. To the best of my knowledge Mopar > never made an A body 8 3/4 rear end with a 4 1/2" bolt pattern. A friend of > mine is running a B body 8 3/4 rear end in his 73 340 Duster. This is an > original 1973 340 car and came equipped from the factory with a Spicer 8 > 1/4" rear end. > > Dan > > > ----- Original Message ----- From: "Herb" <zephyr9900@xxxxxxxxxxx> > To: "1962 to 1965 Mopars" <1962to1965mopars@xxxxxxxxxx> > Sent: Friday, August 08, 2008 10:42 AM > Subject: RE: green bearing questions > > > > Earl, you are correct 73 & up A - Body's with 83/4 are 41/2 bolt pattern. I > had a 68 formula S Barracuda that I up graded to 41/2 & disc brakes. It was > a bolt in swap from a 73 340 Duster. Also, my old parts bolted right back > into the Duster!! > > Herb > > 1963 Sport Fury Convertible 361 > 1970 Challenger RT 440 > 1999 Durango SLT 5.9 > 2006 300-C Heritage 5.7 > 2008 SRT-8 Magnum 6.1 > St. Louis, MO. > > > -------Original Message------- > From: Earl H. > Date: 8/8/2008 9:25:33 AM > To: 1962to1965mopars@xxxxxxxxxx > Subject: RE: green bearing questiuons > > Neal, > > You probably have an old set of C body axles laying around. > Have them cut down and re-splined. Way cheaper, and will > Work just fine. You can find 4.5 bolt pattern A body axles > From 73 & later Dusters. Not very common, but 83/4 rears > Came in 340 & some 360 cars. > > Earl > > > ---- > Please address private mail -- mail of interest to only one person -- > directly to that person. I.e., send parts/car transactions and negotiations > as well as other personal messages only to the intended recipient, not to > the Clubhouse public address. This practice will protect your privacy, > reduce the total volume of mail and fine tune the content signal to Mopar > topic. Thanks! > > '62 to '65 Mopar Clubhouse Discussion Guidelines: > http://www.1962to1965mopar.ornocar.org/mletiq.html. > --^---------------------------------------------------------------- > This email was sent to: 63hemipolara@xxxxxxxxx > > EASY UNSUBSCRIBE click here: http://topica.com/u/?bUrDWg.cbYSnR.NjNoZW1p > Or send an email to: 1962to1965mopars-unsubscribe@xxxxxxxxxx > > For Topica's complete suite of email marketing solutions visit: > http://www.topica.com/?p=TEXFOOTER > --^---------------------------------------------------------------- > > > > -- Steve '63 Hemi Polara