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MG Midget and Sprite Technical - Timing cover -Grinding ?

Hi,
Thanks to your help I have sorted out a duplex chain set and hopefully set the camshaft timing.
I attach a photo of my timing cover.I think this was for a duplex chain even though a simplex set was fitted to my car .I have read in places on the web that you need to grind of the little steel lip surrounding the hole for the camshaft leading into the breather cannister when fitting a duplex chain.Can anyone tell me if this is right please before I start grinding.If I do not have to I would rather not and the cover does appear to be the right one,with the cannister on the front for a duplex chain set

Thanks

Mark

M Teal

I've never heard of the need to grind that off.
Lawrence Slater

It can be a tight fit on some covers. An alternative to grinding it off is to push the cover out a bit to gain clearance.

A good way to check whether any action is needed to get clearance is to fit the cover (using only a couple of bolts) without a gasket and see if the engine turns over by hand without any contact noise. When finally assembled, the gasket thickness provides sufficient up-your-sleeve clearance.

Note that you also need to change the two bottom machine screws securing the front plate to the bearing cap to ones with countersunk heads.
Paul Walbran

thanks guys,Have trial fitted without gasket and it is fine

Regards

Mark
M Teal

I had to dress mine out a bit and grind in a few places as the vernier gear fitted did hit - although it may have been that the cover had been 'dinked' at some time in its life.

Better find out now than when its fitted as I did and I didn't build the engine either.

R.
richard boobier

This thread was discussed on 07/01/2012

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