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 Post subject: L20B motor problem
PostPosted: Sun Sep 01, 2019 3:29 pm 
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Joined: Sun Sep 01, 2019 3:11 pm
Posts: 3
I have Datsun 200B L20B motor all parts replaced and the carby rebuilt the problem I have is when I start the motor and it warms up when I put it in auto-drive about 5 sec after the motor start to shake and it going to stop running so I take it out of auto-drive and the motor idle ok. parts that I replace is the Spark plug, leads, Distributor cap, Ignition coil, points, air filter, and the carby rebuilt, all hose has been replaced.


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 Post subject: Re: L20B motor problem
PostPosted: Mon Sep 02, 2019 11:15 am 
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Joined: Wed Jun 01, 2011 1:43 pm
Posts: 364
Location: San Francisco, CA
Idle speed or maybe fuel pressure? The torque converter in an auto will sap some power from the engine so maybe that is the reason?

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 Post subject: Re: L20B motor problem
PostPosted: Sun Sep 08, 2019 11:58 am 
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Joined: Thu Aug 20, 2009 11:40 pm
Posts: 101
Location: Melbourne, Vic
I think you have an idle speed problem and / or incorrect base ignition timing (not advanced enough)....both of these two things will need to be adjusted to ensure specified idle speed in "D" position.


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 Post subject: Re: L20B motor problem
PostPosted: Sun Feb 16, 2020 10:33 am 
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Joined: Sun Sep 01, 2019 3:11 pm
Posts: 3
I have found the problem L20 it was the head gasket as I was told to use durapro gasket.


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