It's possible that it's been cut as much as .050" but that would be a lot.
You're right, it's tricky to do with the head on the block.
> -----Original Message-----
> From: owner-datsun-roadsters@autox.team.net
> [mailto:owner-datsun-roadsters@autox.team.net]On Behalf Of roadster68
> Sent: Wednesday, February 11, 2004 8:05 PM
> To: datsun-roadsters@autox.team.net
> Subject: Re: Upper Timing Chain Tensioner - '68 2000
>
>
> I tried to measure the head thickness. I thought it was a little awkward
> with the head on the block. I am not that smooth w/ a micrometer either.
> As best I could tell the average of several thicknesses worked out to be
> about 4.480 inches. The number 4.528 is the one that I have seen
> most for a
> stock head. This is a difference of 0.048 inches. Did I get a good
> measurement and if yes, then is my number very far off stock? Larry.
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