mangocrazy
Italian V-twin nutjob
- Messages
- 1,164
- Location
- Sheffield, UK
The cam acts directly on the back of the shim which sits in a recess in the bucket top, the valve stem is in contact with the underside of the bucket. A special tool is needed to press down on the edge of the bucket and compress the valve; the shim can then be removed or replaced. Not sure what effect the citric (or the corrosion) would have on any hardening.I imagine the shims are hardened in some way. would it be affected by the corrosion and treatment ?
Would the shims be direct acting ........ camshaft lobes acting directly on them, or under a bucket and acting on the valve stem ?
Yes, it's a Lampredi twin cam (2 litre).