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Wt vs nt diff centres

Tech Talk for Suzuki owners.

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Wt vs nt diff centres

Post by me217 »

Hey does any body no if wide track diff centres are the same as narrow tracks. Reason bein i might be able to get a set of air lockers cheap out of a holden drover with compressor
me217

1985 suzuki mighty boy : mods, f8b
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Post by Highway-Star »

except for ratio, they are the same internally. NT=3.9, WT=3.7
But if you buy a pair, you'll have matched ratios :)

Externally the NT has a smaller drive flange. You can either change the flange on the diff, or change the flange on your tailshafts to get them to match.
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Post by me217 »

o ok cool. thanks and its a pair. if i change just the centres ova does that mean i'll keep my old flange
me217

1985 suzuki mighty boy : mods, f8b
1990 toyota mr2 gt import : mods, turbo timer, short shifter, 2.5" exhaust
1992 suzuki sierra : mods, g16b mpfi, 235's/75, snorkel & lift on the way.
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Post by danssurf82 »

u will have to take the big nut off both diff centers where your tailshaft joins and knock the flanges off, and swap then over
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Post by zook4fun »

no they don't fit, they are no good give me the details :lol:
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Post by Gwagensteve »

danssurf82 wrote:u will have to take the big nut off both diff centers where your tailshaft joins and knock the flanges off, and swap then over
Once you undo the pinion flange nut, you need to replace the crush sleeve or there's no guarantee you'll achieve correct bearing preload and shorter bearing life & damaged gears are the result.

Much better to swap driveshaft flanges.

Steve.
[quote="greg"] some say he is a man without happy dreams, or that he sees silver linings on clouds and wonders why they are not platinum... all we know, is he's called the stevie.[/quote]
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Post by joeblow »

Gwagensteve wrote:
danssurf82 wrote:u will have to take the big nut off both diff centers where your tailshaft joins and knock the flanges off, and swap then over
Once you undo the pinion flange nut, you need to replace the crush sleeve or there's no guarantee you'll achieve correct bearing preload and shorter bearing life & damaged gears are the result.

Much better to swap driveshaft flanges.

Steve.
there is a 99.99999999% chance that you WILL achieve the right preload and pattern. don't be shy.
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Post by Gwagensteve »

Wonder why suzuki don't say you can reuse the crush sleeve then?

I've seen too many trashed gears from incorrect setup to advocate cranking the nut up and calling it good. I don't believe it's a good idea.

Suzuki are very specific about when something can be pulled and gunned back up - example - transfer case flanges can be pulled and replaced without issue, but diffs can't according to them..... then again, what do they know?

It might be possible, but from the preloads and patterns I've seen suzuki diffs must be set up by someone who knows exactly what they are doing or they will last months.

I guess it depends on the $$ in the diff and the use of the car, but if I depended on it, I'd pay for a new crush sleeve as suzuki recommend (or get a solid spacer set up.)

Just my 2C.

Steve.
[quote="greg"] some say he is a man without happy dreams, or that he sees silver linings on clouds and wonders why they are not platinum... all we know, is he's called the stevie.[/quote]
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