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489 ring and pinion #1889718
08/11/15 08:15 PM
08/11/15 08:15 PM
Joined: Mar 2011
Posts: 91
canada
S
sailboat Offline OP
member
sailboat  Offline OP
member
S

Joined: Mar 2011
Posts: 91
canada
Need to know what is the proper spline for a ring and pinion for a 489 case that would fit a 1970 challenger T/A? Is it a ten spline or a twenty-nine spline? Thanks in advance.

Re: 489 ring and pinion [Re: sailboat] #1889738
08/11/15 08:39 PM
08/11/15 08:39 PM
Joined: Mar 2003
Posts: 5,193
NEW JERSEY
AARCONV Offline
master
AARCONV  Offline
master

Joined: Mar 2003
Posts: 5,193
NEW JERSEY
depends on the gear set..different companies different splines

Re: 489 ring and pinion [Re: sailboat] #1890048
08/12/15 02:24 AM
08/12/15 02:24 AM
Joined: Jan 2003
Posts: 8,016
Polson, MT
DoctorDiff Offline
master
DoctorDiff  Offline
master

Joined: Jan 2003
Posts: 8,016
Polson, MT
'71 and earlier 8.75" rears originally used 10 spline yokes.







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