Lockers for a 7.5 axle - Ranger-Forums - The Ultimate Ford Ranger Resource


Drivetrain Tech General discussion of drivetrain for the Ford Ranger.

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Old 08-18-2004
Glowin3232's Avatar
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For the past few weeks I've been looking at a bunch of different lockers for my rear axle. After today I am pretty much dead set on buying one, because I got a little stuck... lol I was driving WAY out in the boonies of North Port checking out what hurricane Charley left behind, it was wierd cuz all of the gigantic trees were all bent pretty much uniformly in one direction because of the 100+ mph winds... Anyway I was wheelin around this huge mud pit/swamp and flexed a little too much in a ditch dug out by rain run off... :? Lets just say if I had a locker I could have spent an hour of my time NOT digging my truck out.

My 1st choice is a Powertrax Lock-Right. Its one of the cheapest for around $295, and I love the idea that I can install it myself because you dont have to take out the stock carrier to put it in.

Does anyone have a Lock-Right in their truck? Or ridden in vehicles that had one installed? I wanna get a little more feedback before I buy one.
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Old 08-18-2004
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I've heard they're good....I've also heard good things about Auburn Lockers, but they can't be rebuilt. Of course, at $350, I should hope you'd never have to....
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Old 08-18-2004
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If you have a 7.5, you're going to have trouble installing it yourself. There are some clearance issues in the smaller carrier, so you will have to do a little bit of grinding on the ring gear to get the locker to fit inside.
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Old 08-18-2004
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oh i dont like the sound of that... I read something about grinding the ring gear on another site and i thought it was just for 4.10 and up gears, is this true? ive got 3.73...
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Old 08-18-2004
D.
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Auburn pro's can have the clutch packs rebuilt.. they break really easy.

Im no fan of either and went with an eaton unit after breaking both above mentioned differentials.

D.
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Old 08-18-2004
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Quote:
Originally Posted by djayenos
Im no fan of either and went with an eaton unit after breaking both above mentioned differentials.

D.
Damn mate, what do you launch at, 5K RPM?

I just roooooooooolllll into mine.....lmao
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Old 08-19-2004
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There's only one way to find out of you have clearance issues, Clarence. The Lock-Right is the perfect locker for your application, though.
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Old 08-19-2004
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Features Missing

I just read on the Richmond Gears website that the Lock Right for the 7.5 only fits with 3.45-3.73 gear ratios. So I'm good to go.

I've got one more question though. Should I use a heavier weight oil for the differential to try and drown out some of the clicking noises? If so, what weight of oil would you recommend?
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Old 08-19-2004
D.
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Quote:
Originally Posted by John Moorehead
Quote:
Originally Posted by djayenos
Im no fan of either and went with an eaton unit after breaking both above mentioned differentials.

D.
Damn mate, what do you launch at, 5K RPM?

I just roooooooooolllll into mine.....lmao
What do I launch at.. OH.. about 3500-3700. I shift at about 6500-7000. Lotsa rpm's, thats what a non-pushrod engine loves.. no floating valvetrain, no lash to worry about

D.
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