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Author Topic: lower timing cover removal  (Read 5473 times)

Reply #15June 20, 2009, 08:13:35 pm

92EcoDiesel Jetta

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Re: lower timing cover removal
« Reply #15 on: June 20, 2009, 08:13:35 pm »
Quote from: libbybapa on June 20, 2009, 07:57:15 pm
Actually many diesels have significantly lower compression ratios 16-17:1.  The 23:1 compression ratio was prescribed by the VW engineers to alleviate hard cold starting due to the heat loss of the pre-combustion chamber design.  My mercedes diesels start just fine in the cold with significantly lower compression.

The Mercedes diesels (80's era) also has pre combustion chambers. What's so different in their (pre combustion chamber) design where one needs high combustion to start (in the cold) and the other does not?
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Reply #16June 20, 2009, 08:42:56 pm

lovinthedeez

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Re: lower timing cover removal
« Reply #16 on: June 20, 2009, 08:42:56 pm »
i wasn't trying to say that the original diesel founder detemined the 70's and 80's vw idi technology.  just saying that any diesel motor is going to have a close tolerance between the pistons and valves.  a little knowledge never killed anyone  ::)
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