Behold! The six-month old pully which broke into 1000 bits..

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Multiphonikks
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Post by Multiphonikks »

bmcecosse wrote:Looks like it was made from the tins John West rejects. Do you have a replacement ? If not I think I can give you one (a genuine old one) for the postage cost. But it's a good chance to fit a crank damper instead !
And DO tell us - who was the supplier of this piece of cr@p ?
Lol. Surprisingly enough, got it from ESM. But I've since ordered (and got) a nice, solid, cast one complete with weight ....:) It's weighting (sorry) to go on when I've got a chance. At the moment the one on Hebe is off Rebecca's old engine :)


Nikki
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bmcecosse
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Post by bmcecosse »

Solid cast with weight is presumably in fact a crank damper - there should be a rubber insert bonded between the centre part and the outer section. Return the shattered bits to ESM and DEMAND a full refund. You (and ESM) were lucky it didn't do any damage when it broke up. Glad you're fixed up ok.
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Multiphonikks
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Post by Multiphonikks »

Yeah. I was (luckily) not on the main road when it happened. Considering I do about 60 miles of motorway driving a day it was very lucky. My engine has sounded rough though since it happened. :(

The new one is all one-piece, so I can't see any rubber on it at all.

Basically, it's a standard pully (cast) with a weighted section on the front, maybe 1 inch in diameter beyond the "v" of the pully. there's two holes either side of the crank shaft hole (presumably to aid fitting and removal?)

I <i>think</i> that what I'll do is drive Hebe to the rally, but not let her go above 4k (cause that's when she starts vibrating madly) and drive her next week (when I've got my voice back that is - otherwise you lot on Sunday can have one very quiet nikki!). The week after that I've got off (half term) so hopefully I can get one of the spare engines fixed up and fitted ready for the following week. I say... "hopefully..."

What do you lot think about re-building and re-fitting the engine....
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rayofleamington
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Post by rayofleamington »

What do you lot think about re-building and re-fitting the engine....
I think it'll help you learn a lot more about engines 8)
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where to break down next?
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Cam
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Post by Cam »

... and will probably end up with you having a rebuilt engine at lower cost than to buy one outright. It's a win-win situation! :wink:
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bigginger
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Post by bigginger »

Just do it - you KNOW you want to. Tons of tools on free loan from here, too, should you need them.
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Multiphonikks
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Post by Multiphonikks »

Hmmm It is very tempting :)
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bigginger
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Post by bigginger »

So give in to temptation. For once... 8)
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bmcecosse
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Post by bmcecosse »

What's wrong with the spare engine - does it really need re-building ? And is it your engine that is vibrating - or the transmission/wheel balance. If you rev the engine when out of gear does it 'vibrate' ? If it's bad it could be the crank is cracked or even broken.
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Packedup
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Post by Packedup »

I'm wondering if it's something as simple as a high speed misfire causing poor balance. Although it could be something more terminal of course :(
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