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Author
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Topic: 9 inch center section info
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tomslo
Gearhead Posts: 318
From: Jefferson City, MO
Registered: Aug 2000
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posted 01-13-2003 05:10 PM
   
I am considering a drop to lower gears and have some questions about the different 9 inch center sections. 1) single rib case vs double rib case vs ��N�� for aftermarket aluminum vs aftermarket iron. At what point does the single rib become inadequate or a liablity?
2) Any special requirements in using ��Daytona�� pinion support or comparable aftermarket support?
3) 3.026 bearing vs 3.25 bearing?
4) What brand ring & pinion do you prefer? Also, what version of their gear(street- pro- drag,etc)
This will be for my cougar, which is already equipped with 31 spline axles. It is basically a weekend warrior that sees th strip about once a month.
Thanks, Tom
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2002 F350 4x4, True Blue, v10 Auto, 4.30LS, 35" BFG's
1991 Mustang LX 5.0L, AOD *need to sell*
1970 Cougar, 351C-4v, C6
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steve'66
Gearhead Posts: 6522
From: Sonoma,CA,USA
Registered: Mar 2000
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posted 01-13-2003 08:46 PM
Tom,You don't have to be too concerned.  Richmond's street gears, and a single ribbed case with stock pinion support with good loc-tighted bolts should hold up fine with your 31 splined axles behind your c-6. I'd rate the single ribbed case and the double ribbed WAR (non-N) case about equal, then the N-case, then the aftermarket iron cases. The Daytona pinion support is a nice addition, but we don't have one of those either. SteveW
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Moneymaker
Administrator Posts: 19704
From: Lyons, IL, USA
Registered: May 99
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posted 01-13-2003 09:49 PM
10-4 on Steve's recomendations.------------------
Alex Denysenko
Co-Administrator and Moderator NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA National Record Holder '00,'01,'02,&'03
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Professional Manwhore
The Barry of BarrysGrrl Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com
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ccode67
Gearhead Posts: 1605
From: douglasville,ga,usa
Registered: Mar 2001
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posted 01-14-2003 07:32 AM
Don't use a Richmond gear, I just recently had one go bad, less than 3000 miles, it was setup correctly and was broken in correctly. The guy who set it up has had several Richmond gears go bad, he recommends Motive gears now, has not had a single failure with Motive, rearends are the only thing he does, probably 12 to 20 per week.I think a few others here have had trouble with them also. ------------------
Stuart
MCA #48902
M&M #1091
67 stang 5 speed, 351W,
Edelbrock Performer RPM package http://www.mustangsandmore.50megs.com/ccode67.html
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Ryan Wilke
Gearhead Posts: 1501
From: Stanton, Michigan 49707
Registered: Oct 2000
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posted 01-14-2003 08:39 AM
quote:
Originally posted by tomslo:
...questions about the different 9 inch center sections....aftermarket aluminum...vs iron....
Does anyone have an opinion or any experience with the newer aftermarket ALUMINUM carriers, such as Mark Williams? Specifically, are they rigid/strong enough to "live a long & happy life" in a 3400# door-car behind a Jerico stick-shifted, BBF turning 9"-11" slicks? Ryan 
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TomP
Gearhead Posts: 4812
From: Delta BC Canada
Registered: Dec 99
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posted 01-15-2003 03:40 AM
I use the #1904 Strange aluminum case in my Fairlane, but its 3150lbs (w/me). I'd go for the thru bolt style Mark Williams or Strange aluminum case if i had to buy another, even though mine has never been a problem. The first ring and pinion , used 4.57 street gears) lasted 150 passes
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