Often carbon from rich running can build up around the head and sparkplug
tips, and when you switch off the motor, it keeps glowing for a while,
reigniting your fuel mixture. Not certain on the timing for that engine, tho
it could be 10deg base setting. So check to see if you are running rich,
this may be your problem, start by cleaning your sparkplugs and see if that
helps.
Good luck
Adam
----- Original Message -----
From: Waylon Harthun <jackfrost@uswest.net>
To: <datsun-roadsters@autox.team.net>
Sent: Saturday, March 17, 2001 8:16 AM
Subject: off topic datsun question
> I am running an L20b motor in one of my cars. I recently replaced timing
> chain and gears in the motor but I seem to be having trouble with run on
> after I turn the key off, sometimes followed by a backfire. can someone
> tell me what a good running setting for the timing should be. also could
it
> be a problem with the carburetor? Any help would be grateful.
> Waylon Harthun
> 65 1500
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