Lotus Elan

Rest Of Gearbox Weight Required.

PostPost by: Brian Walton » Mon Nov 01, 2004 7:17 am

Well I have found out that my bellhousing is magnesium.

Now I want to confirm that the rear shaft housing is also magnesium. Has anybody got a gearbox out of the car and would be of a kind mind and placing the thing on the bathrrom scales.

I would love to know the weight of it all.

with thanks

Brian
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PostPost by: prloz » Mon Nov 01, 2004 8:21 am

Hi Brian,
The weight of an aluminium tail housing is 2.25 kg.
If it's much less than this, it's magnesium.

Regards,
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PostPost by: nigelfletcher » Mon Nov 01, 2004 1:01 pm

Seeing as it's nearly Bonfire Night, an easy way to check if your bellhousing is magnesium is to file off some of the metal, place the filings on a small piece of paper and set it alight. If it's magnesium you'll get your own mini fireworks display.

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PostPost by: elandoc » Tue Nov 02, 2004 12:39 am

Interesting!
I didn't think there were any tail pieces in mag...thought they were all aluminium or iron. Who supplies them?
67 S3 DHC - The world's most expensive Elan
64 Morris Cooper S (now sold)
85 Ferrari 308 GTSi QV
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68 Lotus Europa S2 (in boxes - wanna buy it?)
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PostPost by: davea » Wed Nov 03, 2004 9:08 pm

My s4 gearbox (stock, cast iron)
Bell housing 16 pounds
case 13 pounds
tail housing 12 pounds

The weights are done on a cheap bathroom scale, so take as approximate.
No gears here, just empty housings. Heavy aren't they!

Gearbox was noisy, so removed the works. Working on a parts list now.
Some bearings and other things a bit worn in there.


Discovered Engine main bearings were down to copper on a couple journals,
rod big ends not that far gone, but need replacing.
Crank looks fine. Have been running track days for a couple years... around 10 or so
total I think, and about 5000 street miles.

David A.
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PostPost by: Brian Walton » Sun Nov 07, 2004 8:22 pm

Ref Mag tail housing.

Try Tony Thompson. I think I saw them listed.

Brian
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