Quote:
Originally Posted by jor
Way over my head as to what to do next, but could I ask the thickness of the new hg as compared to the old? That could explain low compression in all cylinders. I recall seeing a table of recommended gasket thickness v piston height above block, which I will try to find.
MLS gaskets can be split if required.
jor
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Yes 100% rights that refers to if a bottom end rebuild takes place and piston height changes. I replaced mine with a 3 hole gasket as it was the same.
The valve clearance is out of specification.
As part of head refurbishment the shims were to be replaced with thinner ones. I've last night quickly "as it was raining" on cylinder 1 exhaust clearance and I was expecting 0.40 and it's more like 0.25.
Question is.....if the machine shop ground the valves and the seats but just used the old shims again would this cause the loss of compression?
I will check the other valve clearance and write down the results .