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Author
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Topic: Posi traction gears
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Maui
New Member
Member # 4061
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posted
 
 
I have a 68 Mustang, 289 2v with an open end differential , I think 2.83 or 3.00 gears. I want to put posi in it but do not know exactly what gears would be best for everyday high school drving and some excitement hear and there. I have 15X7 inch rims and P225/60R15s on them. I was wondering if I should get 3.27, 3.50, or 3.55 gears. If anyone can help me out I would appreciate it. You can reach me at:
Hemicharger10@aol.com,
Thanks,
Michael
Posts: 2 | From: Los Altos | Registered: Jan 2004
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Mavmania
New Member
Member # 3660
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posted
Hi Michael,
One of the things is to look at you trans setup as a factor to which gears you decide to use. Is it a C4, 3 speed, 4 speed, ....?? If it is a C4, I would keep the 3.00 ratio if it sees highway/freeway time. 3.55s would be way to low a gear for the C4 at highway speeds - high rpms. If you have a 4 speed or better, 3.55 would do well. Basically you have to figure out what exactly you want to do with the car and base it off that. I have a Maverick Grabber with a roller 5.0 and C4, and the 3.00 ratio works well - performs nicely. I would like a little lower gear, but I want to keep the rpms down as low as I can at higher speeds. Hope this helps, and if you fill us in more on the trans we can probably help you out some more. ![[Smile]](smile.gif)
-Corbin
Posts: 5 | From: North Bay, Ca | Registered: Oct 2003
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166 Merlo
FELONY
MOTORSPORTS
Member # 1549
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posted
I got 3:55's in my 65' with a C4. It's rarely gonna see freeway time. ![[patriot]](graemlins/patriot.gif)
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'89 - Boss Coupe
'70 - Drop Cutthang
'68 - Cougnut
'87 - 0166, Its real
Posts: 3954 | From: Thebay | Registered: Jul 2002
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