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early (pre 79) cruiser transfer cases

Tech Talk for Cruiser owners.

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early (pre 79) cruiser transfer cases

Post by bad_religion_au »

Is there any way to strengthen these? i've already done one idler shaft, AND yesterday my second case blew the rear off it trying to drive slowly up a ledge. i had good traction, and was at a bout 2000rpm in low first when it went "pop" and then i had no drive.

anyone got a fix for em?
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Post by WICKED »

60's dude, stronger, can put gears in there and bolts to the orignal piont's
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Post by J Top »

I have heard of holding the 2 halves together in the centre , the weakest point, by bolting into or through the idler shaft to support the cases.
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Post by beanz2 »

Make a brace like this?
Image

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Post by Zeyphly »

How worn out were the transferes when they failed? Was the new one reco'd or just second hand? I thought 60's had a different output spline off the grear box?
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Post by bad_religion_au »

Zeyphly wrote:How worn out were the transferes when they failed? Was the new one reco'd or just second hand? I thought 60's had a different output spline off the grear box?


i think he means use the 60 series gearbox too,

my first one was worn, the second one was an awesome condition low k second hand one.

the first one did an idler shaft but the case stayed in tact, will the T case bracket help that by takin the load off the idler shaft.

the second one i believe did an idler shaft, but it was impossible to reconstruct the bits to see a point of failure
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Post by beanz2 »

The cracks I have seen is usually through the idler shaft hole in the case towards the top, right where the bracket sits.

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Post by andrewfarmer »

Drill the idler shaft (8mm) through the centre.
Make a large (20-25mm) heavy flat washer for each end.
(you'll need to set in an 'o' ring on the gearbox end washer).
The gearbox end washer has a threaded hole, the rear one an 8mm hole.
Bolt together with a very long capscrew from the rear threaded into the gearbox side washer.

Spreads the load on the idler gears to both sides of the casing instead of just the rear.

If you want to get really keen - you could turn out the idler gear to take taper roller bearings instead of the needles.
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Post by bad_religion_au »

andrewfarmer wrote:Drill the idler shaft (8mm) through the centre.
Make a large (20-25mm) heavy flat washer for each end.
(you'll need to set in an 'o' ring on the gearbox end washer).
The gearbox end washer has a threaded hole, the rear one an 8mm hole.
Bolt together with a very long capscrew from the rear threaded into the gearbox side washer.

Spreads the load on the idler gears to both sides of the casing instead of just the rear.

If you want to get really keen - you could turn out the idler gear to take taper roller bearings instead of the needles.
hmmm this and the brace might be an idea. thanks guys
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