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New 3.23's for a 489 casting? #1214197 04/11/12 03:40 PM 04/11/12 03:40 PM
Joined: May 2004 Posts: 617 Corvallis,OR 540CUDA OP super street
540CUDA OP super street Joined: May 2004 Posts: 617 Corvallis,OR	Im waiting for an answer from Dr Diff, but maybe someone else can answer. Are new gears still available? 3.23 ratio for a #489 casting 8 3/4". Thanks PRH 540,T-ram,-1's tagged and insured. 9.24et 146.13mph 1.30 60'3300#s

Re: New 3.23's for a 489 casting? [Re: 540CUDA] #1214198 04/11/12 04:02 PM 04/11/12 04:02 PM
Joined: Jun 2010 Posts: 287 Iowa, US oldsklharo enthusiast
oldsklharo enthusiast Joined: Jun 2010 Posts: 287 Iowa, US	Highest I could find on the bay are 3:55's. There are lots of 3.73, 3.91 and up http://www.ebay.com/itm/Richmond-Gear-Ri...=item5649b7718c

Re: New 3.23's for a 489 casting? [Re: oldsklharo] #1214199 04/11/12 04:10 PM 04/11/12 04:10 PM
Joined: Nov 2003 Posts: 1,029 Southeast Virginia 68jim super stock
68jim super stock Joined: Nov 2003 Posts: 1,029 Southeast Virginia	I have not seen anything new for a while for the 489 case. There are recently new 3.23 gears available for the 742 case. nitro gear link If anyone knows it will be Dr Diff... Jim

Re: New 3.23's for a 489 casting? [Re: 68jim] #1214200 04/11/12 04:13 PM 04/11/12 04:13 PM
Joined: Jun 2010 Posts: 287 Iowa, US oldsklharo enthusiast
oldsklharo enthusiast Joined: Jun 2010 Posts: 287 Iowa, US	I recently picked up a used complete center section with 3.23's for my 489 case because I could not find new 3.23 ring/pinion for the 489 I actually got a complete drop in center section with really nice gears for $100 buxs! They are out there just need to dig a little...........

Re: New 3.23's for a 489 casting? [Re: 68jim] #1214201 04/11/12 04:14 PM 04/11/12 04:14 PM
Joined: Jul 2007 Posts: 1,526 North Carolina cjskotni pro stock
cjskotni pro stock Joined: Jul 2007 Posts: 1,526 North Carolina	If you want the ultimate in high gears, I have a set of 2.76(ish) from my 489 case. Let me know if are interested and I will see if I can dig em up.

Re: New 3.23's for a 489 casting? [Re: cjskotni] #1214202 04/12/12 12:19 AM 04/12/12 12:19 AM
Joined: Nov 2004 Posts: 164 Alberta....... S silvercloud member
silvercloud member S Joined: Nov 2004 Posts: 164 Alberta.......	Nitro does list 3.23s for 489 cases in their application listing-also 2.94s! http://www.nitro-gear.com/ring-pinions/ and scroll down the page. Has anybody actually used Nitro stuff? Really curious about the quality as I have had nothing to do with them. Jason An '06 3500 QC 4x4 Laramie CTD with a 6.7 named "Frankentruck", an '80 W200 CC 440/435 yard truck, a Dakota, a Hemi Ram, and a bunch of projects....still working on resurrecting my '74 Charger after a 25 year hiatus for a "quick paint job"! Now a '78 D150 shortbox factory 440 to keep me occupied.

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