Slant Six Forum :: Now It's a 8 3/4

: I ripped the spider gears out of my third
: member a while back. Some fragments got into
: the pinion and the bearings...so it was
: toast.
: On external inspection I thought that I had a 8
: 3/4 gear with a ratio of 323. It actually
: had a 8 1/4 ring and pinnion with a 331
: gear.
: Randy's differential fixed me up with a 8 3/4
: posi with a 373 gear with the same third
: member casting numbers. It was a simple bolt
: in.

Author:	Trysix [ Sun Oct 06, 2002 9:32 am ]
Post subject:	Now It's a 8 3/4
I ripped the spider gears out of my third member a while back. Some fragments got into the pinion and the bearings...so it was toast. On external inspection I thought that I had a 8 3/4 gear with a ratio of 323. It actually had a 8 1/4 ring and pinnion with a 331 gear. Randy's differential fixed me up with a 83/4 posi with a 373 gear with the same third member casting numbers. It was a simple bolt in. I haven't done a hard run yet(breaking it in) But I'm happy with the results so far. I never would have dreamed my 83/4housing would have had a 81/4 guts.Oh well... Trysix 1965 Coronet 4dr, not so stock slant six with OD a833 trans .....and now a 83/4 373 posi soupitup@msn.com

Author:	DusterIdiot [ Sun Oct 06, 2002 10:31 am ]
Post subject:	Re: Now It's a 8 3/4
Quote: : I ripped the spider gears out of my third I'm happy with the results so far. : : I never would have dreamed my 83/4housing would : have had a 81/4 guts.Oh well... If you had an early "741" cased 8 3/4" some of them had an actual 8 3/8" ring in them.... fyi -D.Idiot res0aus2@verizon.net

Author:	Doctor Dodge (Doug Dutra) [ Sun Oct 06, 2002 11:58 am ]
Post subject:	Re: The "other " 8 1/4 Mopar rearend
Quote: : I ripped the spider gears out of my third : member a while back. Some fragments got into : the pinion and the bearings...so it was : toast. : On external inspection I thought that I had a 8 : 3/4 gear with a ratio of 323. It actually : had a 8 1/4 ring and pinnion with a 331 : gear. : Randy's differential fixed me up with a 8 3/4 : posi with a 373 gear with the same third : member casting numbers. It was a simple bolt : in. A lot of 57-65 full size SL6 cars had that 8 1/4 gear in the same 8 3/4 housing. You did the right thing by changing over to the 8 3/4 gear set. Does you rear axle have the taper axle with the bolt-on brake drum? Dd

Author:	Trysix [ Sun Oct 06, 2002 3:47 pm ]
Post subject:	Re: Now It's a 8 3/4
Quote: : I'm happy with the results so far. : : If you had an early "741" cased 8 : 3/4" some of them had an actual 8 : 3/8" ring in them.... : : fyi : : -D.Idiot Doc, My axles did not have the drum nut. The drum just slips off and the axles are held in by a flange. Duster, It is a 741 case. Trysix soupitup@msn.com

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