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  #1  
Old 01-30-2001, 03:02 AM
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I was wondering, does Chrysler or Mercedes have any type of variable valve timing or lift device(VTEC, VVTL-i, Vanos, etc.) in their cars or on the drawing board? I am wondering because nearly all of the other foreign car makers are incorporating these into their cars, Honda/Acura being the first with VTEC and VTEC-E, Toyota with VVT-i and VVTL-i, and BMW with Vanos (I think that is what it is called). The american car manufacturers dont look like they are going to have it any time soon. I am just wondering. Thanks for your input.
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  #2  
Old 01-30-2001, 07:51 AM
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pezzy the '94/95 E320's

have vvt on one of the cam's.
Jim
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'97 CRV
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  #3  
Old 01-30-2001, 09:04 AM
s60
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yes,self-hydraulic lifters.
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  #4  
Old 01-30-2001, 09:11 AM
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MB started using varible intake cam timing in 1989 on the 500SL & 300SL. Now they are using multiple spark & varible spark timing with 3 valve @ cylinder technology. MUCH less $$$ to build & maintain.
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Old 02-01-2001, 09:54 PM
SV
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So the cars w/ 3 valves per cylinder have timing on the intake valves only, not the exaust valves as well, right ? I think with the new engines coming out in a couple of years MB will use timing on both the intake and exaust valves, don't you think ?
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  #6  
Old 02-02-2001, 08:50 AM
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unlike Honda's VTEC, MB does not have variable lift - only variable timing.

but Honda's system is not continuously variable - it cuts in only at a specified RPM/load, using a separate set of cams. MB's is continuously variable, i believe.
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  #7  
Old 02-02-2001, 09:06 AM
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From 1998 MB engines DON'T have variable cam timing, but use variable SPARK timing. All are 3 valve @ cylinder. The SLK230K still uses 4V @ cyl with variable intake timing.
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  #8  
Old 02-02-2001, 01:59 PM
is4b2rd
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VVTi in MB

I thought I read in the S-Class brochure that the S600 does ave variable valve timing..
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  #9  
Old 02-02-2001, 09:31 PM
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Yes, the older v-12 does (2000 and back). As of the newer one, it does not from what I gather.

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