If by "diminishes" you mean it goes away completely then it could be the oil
in the carburetor dampers is leaking when it sits. Do you have to top up
the oil in the dampers frequently? If so, then this might be your problem.
If by "diminishes" you mean it continues, but at a reduced level then it is
probably valves.
Second problem is you are running rich.
Graham
'68 1600
-----Original Message-----
From: Matt Peterson <pete_303@hotmail.com>
To: datsun-roadsters@autox.team.net <datsun-roadsters@autox.team.net>
Date: Tuesday, August 24, 1999 12:04 AM
Subject: cloud of smoke on start-up
>Hello everyone,
>
>I was curious as to what a cloud of whitish blue exhaust means on start-up.
>After the car has sit for awhile on start-up it will expel a good amount of
>whitish smoke from the exhaust then it diminishes although the exhaust is
>still visible. Could oil be leaking into the cylinders when it sits?
>
>Another question. When my car is started up cold I don't need to give it
>any gas to start it. However, if the engine is still hot I need to depress
>the gas pedal to the floor in order for it to start up. It just started
>this one day a few weeks ago and it is getting annoying. I have no idea
>what could be causing it to do this.
>
>Any help would be appreciated!
>
>thank you,
>
>Matt Peterson
>'68 1600
>Zimmerman, MN
>
>
>
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