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The Terminator
Driveline
Upcoming WInter Project - IRS/Rear Diff Build
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<blockquote data-quote="Roots-type" data-source="post: 16661913" data-attributes="member: 72150"><p>Auburn pro is a nice diff that has zero clunk. Locks hard and fast. Definitely recommend it over the ford racing piece. </p><p></p><p>Fluid/modifier- use whatever the diff calls for, not what the forums tell you. </p><p></p><p>Install kit- Ratech. part # RAT305K </p><p></p><p>As for 3.55 to 3.73, rpms will be just over 2100rpm at 70mph assuming stock tire height. In other words, negligible. 3.73 is a good gear choice that works well at both ends of a race. Can't go wrong with them.</p></blockquote><p></p>
[QUOTE="Roots-type, post: 16661913, member: 72150"] Auburn pro is a nice diff that has zero clunk. Locks hard and fast. Definitely recommend it over the ford racing piece. Fluid/modifier- use whatever the diff calls for, not what the forums tell you. Install kit- Ratech. part # RAT305K As for 3.55 to 3.73, rpms will be just over 2100rpm at 70mph assuming stock tire height. In other words, negligible. 3.73 is a good gear choice that works well at both ends of a race. Can't go wrong with them. [/QUOTE]
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Upcoming WInter Project - IRS/Rear Diff Build
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