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
believe the parts to be ok (Beck Arnley). I think it is a matter of the
timing and carb adjusting at this point. Another current symptom is run-on
(dieseling) after shut down. What usually causes that?
FYI. Fresh head about
5,000 miles ago. Engine has approx 20,000 miles on rebuild (done back in the
80's) Does not burn any oil.
Thanks,
Roy
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