My shop says the aluminum used on these heads is very soft compared to
current standards. Stripped threads are not uncommon, especially after 30
years of use.
Mike K.
Colo. Springs
----- Original Message -----
From: "datsunmike" <datsunmike@nyc.rr.com>
To: <maurell@bellsouth.net>; <datsun-roadsters@autox.team.net>
Sent: Friday, May 24, 2002 4:57 PM
Subject: Re: Help with my head
> The rocker shaft is held by studs. I always have mine helicoiled so they
> don't pull outta the head - I read too many horror stories lately.
>
> What I have done on really mangled threads is have them completely welded
> and then retapped to accept helicoils. This has been a recurrent theme on
> several heads I have/had. Especially the thermostat threads.
>
> Mike
>
> ----- Original Message -----
> From: <maurell@bellsouth.net>
> To: <datsun-roadsters@autox.team.net>
> Sent: Friday, May 24, 2002 2:24 PM
> Subject: Help with my head
>
>
> > Yeah, I know....
> >
> > It's a 1600, aluminum head. I sent it to the shop to have it worked. The
4
> bolts on the top which secure the rocker mechanism were removed and then
> brass inserts were pressed into the head; I assume the threads were
stripped
> or something? Upon tightening, and probably over tightening, one became
> stripped.
> >
> > Can this be remedied? I need more than one possible solution...as
always,
> advice is appreciated.
> >
> > Does anyone know of a good machine shop in the Jackson/Grenada
Mississippi
> or Memphis, Tennessee area?
> >
> > Thanks,
> >
> >
> > Jeff
> >
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