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» Northern California Ford Owners     » Automotive   » Tech Talk   » 31 spline trac lok

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Author Topic: 31 spline trac lok
89Rodknocker
CAFords OG
Member # 2951

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Has anyone runs one of these and made some good power through one?

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89 lx (stolen and stripped)
94 gt runner (sold)
89 lx Stock(sold)
86 gt T-trim (sold)
73 Camaro BBC
01 5.0 Explorer limited Borlas (sold)

Posts: 2488 | From: Bay Area | Registered: Jun 2003  |  :
forced331
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Member # 1270

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I plan on running it with my setup. I know that JohnB runs this on his cobra.

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1992 Ford Mustang LX (Original Owner)"Titanium Frost" 331stroker S-Trim, 5spd

2014 Ford Mustang GT- daily driver

Posts: 1154 | From: Sonoma County | Registered: May 2002  |  :
stangless
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Member # 1414

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quote:
Originally posted by 89Rodknocker:
Has anyone runs one of these and made some good power through one?

I read that the ford racing 31 trac lok will not work with 4.30 gears. But take that with a grain of salt. that's what i've heard is not a proven fact.
Good luck!

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=(

Posts: 4634 | From: bay | Registered: Jun 2002  |  :
JohnB
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Member # 969

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I'm running one in my Cobra, no issues.

And yes, 4.30's and a 31 spline T-lok will work with the proper cross-pin. A stock one will not work.

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1965 Shelby Cobra
1993 Cobra
2012 F150 Raptor
2020 GT500

Posts: 6523 | From: Orlando FL/Redding CA | Registered: Mar 2002  |  :
89Rodknocker
CAFords OG
Member # 2951

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Did you up the clutches john in yours? If so how many extra fit and can i just add the 31 spline spider gears in my 28 spline 8.8?

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89 lx (stolen and stripped)
94 gt runner (sold)
89 lx Stock(sold)
86 gt T-trim (sold)
73 Camaro BBC
01 5.0 Explorer limited Borlas (sold)

Posts: 2488 | From: Bay Area | Registered: Jun 2003  |  :
JohnB
Tech Moderator
Member # 969

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I did, you can add one extra clutch. You cannot pull the spiders from a 31 and swap in a 28 case...different size cases.

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1965 Shelby Cobra
1993 Cobra
2012 F150 Raptor
2020 GT500

Posts: 6523 | From: Orlando FL/Redding CA | Registered: Mar 2002  |  :


 
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