True, but I need to get the camshaft sprocket high enough to take up the chain slack so I can use the standard tensioning setup. At the moment I have Kameari twin sprocket tensioners which work really well and solved the problem but I can't stand the noise, BTW the timing gear is new. How easy is it to fit new flat top pistons if I want the extra power. On the other hand I remember with this cars original head which I presume was close to full height the engine was poweful enough for my needs. The present head is 105mm high there are cam tower shims in place but not enough to get the cam high enough. Another option would be to use the present head with a copper head gasket shim but I believe these can have problems.
So to sum up here are my options to go back to the standard tensioner setup.
1:Replace the head with the 'new' one which is 107mm thick and loose some power.
2: use the present head with a copper gasket.
3: Put thick enough shims under the cam towers (I had decided that wouldn't work but I could be wrong).
4: New low compression head and flat top pistons to increase power.
5: Fix the problem without spending too much, use this car for general driving, and buy a well restored 2 seater Z.
Richard.
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