Jumping a chain tooth in an interference engine is a good point. I
jumped a tooth in my second 2000 many years ago and replaced the chains,
gears, upper tensioner, and at least 3 valves if I remember correctly.
all for around $30.00 at the time.
I am just finishing installing new timing chains in Mr. Hyde and even
though I was trying to be very careful about damaging the head gasket, I
had a huge oil leak after reassembly. I spent last Sunday searching for
the source of the leak and then replacing the head and manifold
gaskets. Should be good for another 10 years and I hope more than
18,000 miles.
Tom
69 2000 - Mr. Hyde
Las Vegas
http://www.datsun2000.com
http://www.nowroc.org
On 11/27/2012 12:24:22 PM, Gordon Maness (gordon.e.maness@hotmail.com)
wrote:
> Aren't these 'interfearance' (timing jumps a tooth = piston and valve
contact)
> engines? If so then the chain can not be an issur.
> > Date: Tue, 27 Nov 2012 11:49:30 -0800
> > From: roadsterdude1600@yahoo.com
> > To: ppeters914@comcast.net; datsun-roadsters@autox.team.net;
> hrhaslett@yahoo.com
> > Subject: Re: [Roadsters] 1600 tuning issues
> >
> > Sure sounds like a timing issue (especially with the run-on). If
this was
> a
> > 2000 I would guess you were a tooth off on your timing chain, but that
> would
> > be much less common/probable with the short 1600 chain. It did this
all of
> a
> > sudden? Did you have a rough start or something that could have
caused it
> to
> > jump timing? Since you cannot adjust at the dizzy, it might be worth a
> > look...
> >
> >
> > Mike Harper, CAI, AARE
> > Harper Auction & Realty
> > 843-729-4996
> > "Experience Sells"
> >
> > www.AuctionMyRealEstate.NET
> >
> >
> >
> > --- On Tue, 11/27/12, Roy Haslett <hrhaslett@yahoo.com> wrote:
> >
> >
> > From: Roy Haslett <hrhaslett@yahoo.com>
> > Subject: Re: [Roadsters] 1600 tuning issues
> > To: "Pete Peters" <ppeters914@comcast.net>, "Datsun Owners List"
> > <datsun-roadsters@autox.team.net>
> > Date: Tuesday, November 27, 2012, 1:46 PM
> >
> >
> > It has run and idled well up until the last few hundred miles, no
> > backfires. Has run especially well at highway speeds (60-65). I had
been
> > getting some hesitation on the street but attributed it to the heat and
> vapor
> > lock. As the sputtering and backfiring started and increased I
decided to
> > change out the electrical components from the coil to the plugs.
(They were
> > all pretty well toasted). I believe to have the gaps all correct and I
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