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04 /25/ 24, 10:24am

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Subject: Excessive smoke at staartup Author: Bill [ Next Thread | Previous Thread | Next Message | Previous Message ] Date Posted: 06/ 3/ 03, 10:28pm I am purchasing a 79 31'Wanderlodge witht the 3208 Cat. There is excessive smoke at startup of a cold engine. A block heater was installed, and the engine kept warm at all times, which prevents smoke at startup. Is excessive smoke at startup an indication of a problem? Or is it a normal function of the Cat 3208? [ Next Thread | Previous Thread | Next Message | Previous Message ]

Replies:

[> Subject: Re: Excessive smoke at staartup Author: Peter [ Edit | View ] Date Posted: 06/ 12/ 03, 6:06am If the smoke is mostly white it is just half burnrd diesel that is normal for 3208s, or any other diesel that does not have glow plugs. By heating the engine for a couple of hours prior to start most of the cold diesel smoke will be avoided. Heat of compression causes ignition, and when the block is cold there is a lot of unburned diesel until the block heats up. [ Post a Reply to This Message ]

[> Subject: Re: Excessive smoke at staartup Author: Harvey Lawrence [ Edit | View ] Date Posted: 06/ 19/ 03, 11:09am Bill I had a 1979 FC with a 3208 and it was a recent rebuild. it did smoke (Blue) on start up unless you used the block heater, and even then a little.I wrote CAT and they explained that because the 3208 does not have cylinder sleeves it has a loose tolerance until the pistons warm up, and the blue smoke is normal during warm up. After mine warmed up it did not smoke at all. Harv [ Post a Reply to This Message ]

[> Subject: Re: Excessive smoke at staartup Author: RICH - eXPERT dIESEL [ Edit | View ] Date Posted: 07/ 13/ 03, 3:42am The 3208N from Factory was a 16.5:1 compression engine with only 2 piston rings. This causes the cold start smoke problem. Rectified by installing 18.2:1 Turbo Pistons with 3 rings. Ruch [ Post a Reply to This Message ]