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  1. Technical Ford 9" limited slip identification - The Jalopy Journal

    Aug 20, 2018 · Trying to identify this 9" ford differential. It appears to be a limited slip, but it doesn't have the recessed bolts on the clutch cover. Also 3/4" bolt heads. It tests out as limited …

  2. Technical - Which Ford 9" Posi Unit | The H.A.M.B. - The Jalopy …

    Sep 25, 2018 · Truetrac and Wavetrac - Helical gear limited slip differentials (HGLSD) are the modern replacement for the classic clutch style limited slip differential. Under normal driving …

  3. Limited slip in a 9 inch? | The H.A.M.B. - The Jalopy Journal

    Oct 15, 2012 · Preloaded friction limited-slip (GM Positraction, Ford Traction-Lok, etc.) Ratcheting locker (Detroit Locker) Hydraulically-actuated friction limited slip (Hydratrak, Viscolok) Viscous …

  4. What Oil For a Ford 9" w/Limited Slip? | The H.A.M.B. - The Jalopy …

    Aug 24, 2008 · The limited slip additive is an additional product needed for the diff to perform in the way it was intended. A Ford Trac Lock will never perform equally to a Detroit Locker or a …

  5. Ford 9" question: The physical difference between open and posi.

    Apr 4, 2015 · Use what you have that works for you . They are pretty much bullet proof and last millions of miles . I was into the locker and Limited Slip stuff for years . I still have a couple . …

  6. 9" ford posi info on spotting one ?? | The H.A.M.B. - The Jalopy …

    Jun 22, 2009 · Although finding a limited slip rear is the best of all possible options, many aftermarket suppliers can sell you a limited slip carrier to convert conventional units. Ford …

  7. Technical Ford 9" limited slip identification - The Jalopy Journal

    Aug 20, 2018 · If it's a 3.00:1 ratio, mayybee it came out of a '61, '62 or '63 full-size Ford/Merc or T-bird with the optional limited-slip differential from the period: data plate tag on the body …

  8. Technical Ford 9 Inch - Sticking Differential - The Jalopy Journal

    Sep 9, 2021 · Had a narrowed 9.3" Olds in a Chevy II when I was a kid and replaced the original warped/cracked housing with a clean properly welded one. Unaware of the required limited …

  9. What are used 9 inch rearends going for? | The H.A.M.B.

    Mar 8, 2012 · Pre 1978 bronco are probaly the cheapest narow 9 inch at 57" drum to $400- $500 is a good deal only came stock with 28 spline axles. The cheapest is to cut down a F 150 …

  10. Technical - Ford 9 Inch Rearend I.D. | The H.A.M.B. - The Jalopy …

    Aug 25, 2019 · The reason if you use the words” limited slip “ or “track-loc “ or “ posi- trac” etc. everybody starts disagreeing with you! Most of the traction enhanced rear ends Ford put out , …

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