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Re: Engine ID
"John" <mooresjc@chartermi.removethisandonedot.net> wrote in message
news:EQ5lf.1566$YM1.734@fe02.lga...
> "Maximillian Rennquist" <WDSPoontang@gmail.com> wrote in message
> news:1133831744.670859.293590@f14g2000cwb.googlegroups.com...
>> Why do you think it has a Detroit Locker?
>>
>
> Ah shit, that was a brain fart! It was ordered with a 3.25 Traction-Lok,
> which I believe was made by Dana, not Detroit Locker. Do you know who
> made it for Ford?
Fords "Limited slip" clutch rear ends of that vintage are called Traction
Loc, Traction Loc units first appeared about 1969, prior to that from about
1964 to 1968 they used Equa locs. Don't know of a vender who manufactured
them for Ford, never heard of any reference to one either.
Your description of how your rear-end is working sounds a lot more like a
Detroit locker than a Traction Loc clutch "Limited slip". If indeed you do
have a locker with 3.25 gears I can pretty much guarantee that the locker is
not original from Ford and was added some time later. For '71 Drag Pack
option cars you got either 3.91 Traction-Lok or a 4.11 Detroit-Locker
differential, the only 429 (S)CJ Mustang gear ratio that got a
Detroit-Locker from Ford in '71.
>
> Anyway, in a turn with very little to no torque to the wheels you can
> hear/feel one of the axles rachet. A little more torque in a turn and one
> of the tires squeal thru the turn. AND, when I drop the clutch and punch
> it at 3,000 RPM, it leaves the prettiest twin black marks you ever saw!
>
> --
> John - ThunderSnake #59
> '69 Mach 1 w/ 390 4V
> Wide Ratio Toploader
> 3.25 Traction-Lok
> Acapulco Blue
>
>
>
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