Just had a small amount taken off the head, but it has had a hard life before me. Not measured it but has had a lot skimmed off, machinist bloke mentioned this also. Compression ok.

Have since changed vacuum hoses, still no change.

Turbo/manifold all bolted up ok but noticed quite a few, large, hairline cracks in the exhaust manifold. Could this be the problem? No stutter when not on boost.

Will the boosting problem and stutter be seperate?


HELP!