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Harlin



Member Since: 06 Jul 2016
Location: clacton,essex
Posts: 42

England 2006 Range Rover Supercharged 4.2 SC V8 Java Black
valve lube

should i fit valve lube kit to my 4.2 sc ,,80,000 miles or not some say do some say defo not

Post #414989 23rd Nov 2016 7:44pm
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Foulolron



Member Since: 05 Aug 2015
Location: East Yorkshire
Posts: 25

United Kingdom 2004 Range Rover Vogue 4.4 V8 Adriatic Blue

I belive its only the BMW engines that doesn't require flash lube

Post #415034 23rd Nov 2016 10:51pm
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Haylands



Member Since: 04 Mar 2014
Location: North Ferriby, East Yorkshire
Posts: 4662

England 2002 Range Rover Vogue 4.4 V8 Epsom Green

Yep, agree, you do need it for that engine...

Or get the valve seats changed.....Thumbs Up Pete
__________________________________________________
2002 V8 LPG Now gone BT IID TOOL. -CLICK HERE FOR BUILD THREAD-

Post #415043 23rd Nov 2016 11:15pm
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Harlin



Member Since: 06 Jul 2016
Location: clacton,essex
Posts: 42

England 2006 Range Rover Supercharged 4.2 SC V8 Java Black
valve

how much am i looking at to get them changed

Post #415059 24th Nov 2016 12:14am
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Harlin



Member Since: 06 Jul 2016
Location: clacton,essex
Posts: 42

England 2006 Range Rover Supercharged 4.2 SC V8 Java Black
valve lube

if i do get the kit how long will the seats last as opposed to not fitting them .thanks

Post #415062 24th Nov 2016 12:19am
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Haylands



Member Since: 04 Mar 2014
Location: North Ferriby, East Yorkshire
Posts: 4662

England 2002 Range Rover Vogue 4.4 V8 Epsom Green

Depends on too many variables to hazard a guess, depends how you drive and how the gearbox treats the engine, it usually takes many 10's of thousands of miles to do significant damage, but could do it in a lot less, seen it done in less than 12,000 miles on some engines...

If it has been run without lube for any length of time, get the compression in the cylinders checked, if it is low then you need new valve seats (exhaust) and valves before fitting a valve lube. Obviously check for worn rings before diving in as it could have low compression and be nothing to do with LPG...

Replacement seats and valves will be expensive as there is a lot of labour and machining, I would guess well over 1,000.

The reason the later ones are worse is down to the bean counters again, using inferior materials and parts, the cheapest they can get away with.... Pete
__________________________________________________
2002 V8 LPG Now gone BT IID TOOL. -CLICK HERE FOR BUILD THREAD-

Post #415076 24th Nov 2016 1:31am
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Harlin



Member Since: 06 Jul 2016
Location: clacton,essex
Posts: 42

England 2006 Range Rover Supercharged 4.2 SC V8 Java Black
valve lube

thankyou

Post #415078 24th Nov 2016 1:42am
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