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Re: 8.75 ... 489 ... what year? [Re: zrxkawboy] #1608893
04/28/14 04:00 PM
04/28/14 04:00 PM
Joined: Jan 2003
Posts: 25,849
Rio Linda, CA
John_Kunkel Offline
Too Many Posts
John_Kunkel  Offline
Too Many Posts

Joined: Jan 2003
Posts: 25,849
Rio Linda, CA
A Sure-Grip will usually have two tags, one with the ratio and one that advises to use SG fluid.

8127043-SGTag.jpg (89 downloads)
Re: 8.75 ... 489 ... what year? [Re: dogdays] #1608894
04/28/14 06:52 PM
04/28/14 06:52 PM
Joined: Jan 2004
Posts: 8,285
fredericksburg,va
C
cudaman1969 Online sleepy
master
cudaman1969  Online Sleepy
master
C

Joined: Jan 2004
Posts: 8,285
fredericksburg,va
Quote:

Unless they were running short of 741 cases at some point, I would venture to guess that the 489 probably came behind a HP383, HP400 or any 440. Maybe 340s, maybe not every year's 340.

This is mostly a guess, but there are a lot of 741s out there, same as there are a lot of 318s and slant sixes. I've never seen one (489) behind a 318, although again, Mopar, never say never!

I'm sure someone else will clarify things.

R.



I have a 72 duster with /six three speed with a 489-323 limited slip factory installed.

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