The hole sounds like someone wanted to see what is going on in there.
The cracks are from the clutch slipping. You need to have them ground off
(as opposed to having the flywheel turned) If they are deep and you drive
the car hard, the flywheel could potentially come apart.
Sidney Raper
1964 1500
1967 SRL311 00060
1967 SRL311 00076
Jacksonville Florida
http://www.geocities.com/roadsternut/index.html
>From: snyler <marc@animalfirm.com>
>Reply-To: snyler <marc@animalfirm.com>
>To: " roadster List" <datsun-roadsters@autox.team.net>
>Subject: What the?!?!?!
>Date: Wed, 29 Aug 2001 19:40:00 -0500
>
>List,
> So what would bring this about? I parted the trans from the motor
>yesterday, and what do you know, there's a roughly (and I mean roughly)
>rectangular hole in the bell housing covered by a thin piece of metal
>fastened by two sheet metal screws. What would bring that about? Also,
>this being the first time I've set eyes on my roadster's flywheel, are
>tose small, shallow radiating cracks or tears normal?!? They only seem
>to be where the fiber disc rode against the flywheel. And speaking of
>the fiber disc. At least it didn't wear down to the rivets, but it did
>separate from the inner portion of the disc. Is this common? Strange
>and unusual pictures at:
>
>http://datsun_marc.tripod.com/cgi-bin/r16_engine.html
>
>What do you think Sirs? (And Madames)
>
>-Marc T.
>
>==========================================================================
>Marc Tyler
>Sisterdale TX
>TDROC
>1970 1600 #SPL311-31016
>1965 L-320 #L320 013642
>1965 L-320 Parts car
>
>http://datsun_marc.tripod.com/cgi-bin/datsun_homepage.html
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