ok guys,.. heard different things on this possibility but took a look under cam cover other day to find this,. situated on my exhaust cam pulley...
can anyone shed some light on what it is/how works??
anyhelp appreciated thanks!
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Thread: variable cam... 960 2.5 I6
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Wednesday 20th October 2010, 14:00 #1Senior Member
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Thanked 27 Times in 22 Postsvariable cam... 960 2.5 I6
Past
95 854 2.5 10v with b5254t conversion...RIP,
96 850 awd...cut up RIP,
95 965 manual!..parted out,
94 855 T5 green..scrapped RIP,
94 855 T5 red..heart lives on body RIP,
03 S60 D5 sold
94 855 glt 2.5 10v white parted out RIP
97 V70 AWD parted out RIP
Present
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04 s60 D5 (literal twin of previous s60)
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Sunday 24th October 2010, 23:16 #2Senior Member
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Thanked 96 Times in 73 Postslooks like some kind of vvt system maybe on the cam
because it just had to be done
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Monday 25th October 2010, 20:41 #3Senior Member
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Thanked 528 Times in 448 PostsLooks more like some sort of harmonic balancer, VVT systems are usually oil pressure operated and the pulley is more 'bell' shaped on the front with an solonoid activator on or around the camcover area around the pulley.....could be wrong though.
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Monday 25th October 2010, 22:15 #4Senior Member
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Thanked 72 Times in 59 Postsi would also guess its some sort of balencer also!
would be very unusual to have a VV system just on the exhuast cam, never heard of it my self!
as far as i know they are only on the inlet cam VVt VTEC
or on both like my old MIVEC FTO u should see under the rocker cover of one of those 24v coots, also youtube a dyno run of one the noise is second to none!
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Monday 25th October 2010, 22:27 #5Senior Member
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Thanked 72 Times in 59 Postsahh heres a good vid wait till the second run, you can hear it open up at 5000rpm and go onto 9000rpm the unduction noise of mine could be heard from 2 miles away at night!
[ame]http://www.youtube.com/watch?v=0-C6XOGYUxg[/ame]
that my old one, miss it very much got my 9th point on my licence it had to go the next day swapped it for an old 320e merc that died 2 months later
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Tuesday 16th November 2010, 01:38 #6Senior Member
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Thanked 27 Times in 22 Postscheers, only thing i cant see is why the balancer would be on just 1 cam?? thats if it is a balancer... but my engine gets a distinctive rasp after 3k in anygear like it was some sort of variable system
Past
95 854 2.5 10v with b5254t conversion...RIP,
96 850 awd...cut up RIP,
95 965 manual!..parted out,
94 855 T5 green..scrapped RIP,
94 855 T5 red..heart lives on body RIP,
03 S60 D5 sold
94 855 glt 2.5 10v white parted out RIP
97 V70 AWD parted out RIP
Present
93 854glt 2.5 20v (turbo)white daily project
04 s60 D5 (literal twin of previous s60)
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1998 Volvo C70 T5
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