I've been waiting to see if anyone else would weigh in on this one, but here
goes... I was
under the impression that the flywheel bolts were in the same classification as
the head
bolts, that is, that they are "true-stretch" bolts, designed to take a set at
their
specified torque, used once and discarded.
Gary McCormick
San Jose, CA
------------------------------------------------------------------------------------------
Charles Hubbard wrote:
> Fred,
>
> That's the first time I've heard someone say to replace the flywheel bolts.
> It sounds plausible...I was just wondering if this is to address a problem,
> a personal preference, or if its standard for roadster rebuilds. I'm getting
> ready to put my engine back together and don't want to lay awake wondering
> if I messed up by not getting anal on the flywheel bolts.
>
> Charlie Hubbard
> 1964 SPL310
>
> >From: Fred_Katz@ci.sf.ca.us
> >Reply-To: Fred_Katz@ci.sf.ca.us
> >To: datsun-roadsters@autox.team.net, Robert.Long@CSDInc.com
> >Subject: Re: Tranny Update & Questions
> >Date: Mon, 21 Aug 2000 14:08:17 -0700
> >
> >Robert,
> >
> >It's always a good idea to remove the clutch hardware and check it over
> >while the engine is out. Measure the thickness of the clutch plate to see
> >whether it is too thin to re-use. If it's down to the rivets then
> >definitely toss it. Check the tangs on the pressure plate. If the metal
> >tangs are gouged from the throwout bearing, then definitely toss the
> >pressure plate. The surface of a good pressure plate should be smooth and
> >not riddled with imperfections or gouges. Likewise for the flywheel.
> >
> >You might as well replace the thowout bearing. And even if the flywheel
> >looks good, clean the pilot bearing at the center of the flywheel and check
> >it for wear, then regrease it if okay. Keep in mind that if you remove the
> >flywheel, you should always install new bolts on the flywheel. Invest in a
> >clutch pilot tool to center the clutch assembly on the engine; these tools
> >are cheap and make installation a breeze. And be specific when ordering
> >parts, as the bolts are different between models and years. Also, some
> >people recommend moving up to the stronger 2000 pressure plate rather than
> >replacing with the 1600. That's a personal preference item. I prefer using
> >the lighter 1600 pressure plate as it's easier on the foot in heavy traffic
> >conditions.
> >
> >Most people recommend replacing the clutch while the engine is out because
> >of the relative low cost of the parts versus the hassle of pulling the
> >engine. But if the clutch is in near new condition I would keep it.
> >
> >Fred "katman"
> >BADROC
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