You've demonstrated my point quite well. You'd be hard pressed to make a U20
head work at all if it had been cut .125". Cam tower shim sets only go to .080"
and I wouldn't advise stacking them. Of course, you could always use three head
gaskets. ;-)
Gordon Glasgow
Renton, WA
> -----Original Message-----
> From: owner-datsun-roadsters@autox.team.net
> [mailto:owner-datsun-roadsters@autox.team.net]On Behalf Of JH Bahn
> Sent: Thursday, November 21, 2002 4:10 AM
> Cc: datsun-roadsters@autox.team.net
> Subject: Re: 1600 Head
>
>
> Mike is definitely correct. The other option is to fly cut the
> pistons to accept
> the fully open valves. I have one that is milled .125" - definitely required
> some tweaking to make it work . . . The message is, don't just mill
> the head and
> bolt it back on without carefully checking clearances!
>
> JH Bahn
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