Transmissions and Drivetrain Need help with your trans? Problems with your axle?

26 spline to 28

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Old 01-12-2003, 05:47 PM
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Car: 04 Xtreme Blazer
Engine: 4.3L V6
Transmission: 4L60E
26 spline to 28

I have an 89 IROZ with 26 spline axles, I have a chance to get a good posi carrier for the 28 spline axles, I was wondering if I got 28 spline axles from the junkyard, would they work when I put the carrier in? same axle bearings?
Old 01-12-2003, 05:48 PM
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IROC-Z
Old 01-12-2003, 06:44 PM
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Yes.
Old 01-12-2003, 07:32 PM
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Car: 85 Monte Carlo SS...
Engine: T.P.I L98.
Transmission: TH350
Axle/Gears: 3:73 Posi
There is a good chance being that your car is a 89, that it already has 28 spline axles. Have you taken it apart already to varify that indeed you have 26 spline???
Old 01-13-2003, 05:42 PM
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Car: 04 Xtreme Blazer
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yes, is does have 26 spline axles, I have heard that the switch was a mid-year change in 89
Old 01-13-2003, 11:08 PM
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Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
You'll need to find a 90-92 third gen to be able to get 28 spline axles that will fit. It might be easier to just buy new 28 spline axles.
Old 01-15-2003, 02:46 PM
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Car: 85 IROC-Z / 88 GTA
Engine: 403 LSx (Pending) / 355 Tuned Port
Transmission: T56 Magnum (Pending) / T5
Axle/Gears: 3.42 / ?
I bought Moser 28 spline axles and I'm very happy with them. 20% stronger than stock and a perfect fit.
Old 01-17-2003, 11:59 PM
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Car: 1987 Trans Am
Engine: LT1
Transmission: T-56
Axle/Gears: 10 Bolt SLP Torsen, 3.73 ratio
LOL, I got Superior Axle and Gear 28 Spline axles 30% stronger than OEM, and a helluva lot stronger than the 26's I had in there....although my axles so no signes of wear, or abuse...I did it as part of the 10 bolt buildup lol.
Old 02-21-2003, 04:12 PM
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Car: 85 Z28
Engine: 383
Transmission: TH350
Axle/Gears: 3.73 posi
Corry,
Any chance you have the PN of those "Superior" axles that you purchased or better yet the exact dimensions of them (length, diameter etc..). I've called around and everyone says that i have to measure my originals before they make any new ones. Not happening because my car is in storage until April and I want to purchase axles now. Any info would be greatly appreciated.
Old 02-21-2003, 04:18 PM
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That's the nice thing about Superior axles... they're not "custom", they're manufactured before they're hardened, so they're altogether better in a stock configuration than a "custom" axle...... no measuring required

http://www.footeaxle.com/Pages/start.html
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