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Posted: Mon Jul 30, 2007 2:41 pm
by ian.stewart
kiwicar wrote:Don't know how relevent this will be but I had a mate many years ago with a high reving short stroke 850 mini (destroked 905) where the flywheel would smash up the woodruff key and leave the flywheel to spin!
Kind of exciting for the brief moments before he killed the ignition!
Anyway the way he got around this by lapping the flywheel onto the crank using firstly fine valve lapping compound and finishing with Brasso, he needed to start with a good match on the tapers but after that he did away with the woodruff key all together and relied on the fit of the parts and a long spanner on the flywheel nut. might work on the rover ballancer
Mike
nice idea if the balancer was a taper/interferance fit, but its not, its a light slide fit o the crank, and it also stops the chain pulley from fretting against the key by nipping it against the crank when the big bolt is done up
Posted: Mon Jul 30, 2007 3:22 pm
by seight
Is pinning the crank a 'diy' kind of job do you think?
Mike
Posted: Mon Jul 30, 2007 3:33 pm
by ian.stewart
seight wrote:Is pinning the crank a 'diy' kind of job do you think?
Mike
Tis for me
Posted: Mon Jul 30, 2007 5:28 pm
by seight
Probably not for me then
Thought it might be an alternative for getting an intermediate damper onto my short keywayed/shortnose crank. Not a job for me black n decker - too much potential for complete f up !
Back to a grinder on the keyway it is then
Mike
Posted: Mon Jul 30, 2007 6:18 pm
by JP.
Not shure if you'r interested but just found this on the special offers @ Real Steel :
PRESDIDAMPERUSEDRover V8 used Pre-SD1 crank harmonic damper............................... Price: £41.13
Posted: Mon Jul 30, 2007 11:12 pm
by stevieturbo
ian.stewart wrote:seight wrote:Is pinning the crank a 'diy' kind of job do you think?
Mike
Tis for me
LS1's have no keyways.
I pinned mine, and it is almost required for blower usage. Very easy to do with the right tools. I used a 1/4 drill bit, 2 holes 180deg apart.
http://gallery112848.fotopic.net/p10290771.html