 | Home > Series Land Rovers > Series 3 2.25 petrol blue smoke |
 
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| Cheshire110 Member Since: 26 Jul 2013 Location: Cheshire/London Posts: 2724  
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I know this isn't really a series forum, but figured it's worth an ask.
Our series three tends to produce a (fairly significant) puff of blue smoke when you pull away having been idling (ie at lights). To me this indicated oil passing the piston rings and being burned off when you pull away? Also it's never been (as far as I know) altered to run on leaded fuel, is this even a problem on a 1983? I know some cars just don't care. It's only done 24,000 miles and very good nick otherwise. Appreciate any advice, Cheers, David Cheers, David Land Rovers of all shapes S3 onwards… Daily is a 110 V8. |
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12th Feb 2016 7:57pm |
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| Mash Member Since: 09 Feb 2015 Location: Guernsey Posts: 1674  
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It could be worn piston rings, have you taken the plugs out and inspected them? You can tell a lot by the state of them.
 Click image to enlarge Better pic added 90 wolf - Jasmin http://www.defender2.net/forum/topic39408.html 90 V8 - Maggie http://www.defender2.net/forum/topic42564.html 110 TD5 - Buggsy http://www.defender2.net/forum/topic59029.html 52HG25 lightweight https://www.defender2.net/forum/topic72342.html D3 Hse - Fiona Capri 2l S - Anna Think I might have a problem............ Last edited by Mash on 12th Feb 2016 8:04pm. Edited 1 time in total |
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12th Feb 2016 8:00pm |
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| Cheshire110 Member Since: 26 Jul 2013 Location: Cheshire/London Posts: 2724
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That was my thoughts, good to know I can make a bit of sense sometimes! Not done anything yet. Cheers, David
Land Rovers of all shapes S3 onwards… Daily is a 110 V8. |
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12th Feb 2016 8:04pm |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 16884 
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It could also be the valve guide oil seals (O rings) in need of replacement.
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12th Feb 2016 8:25pm |
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| Cheshire110 Member Since: 26 Jul 2013 Location: Cheshire/London Posts: 2724
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Woops wrong thread!
Thanks for the advice  Cheers, David
Land Rovers of all shapes S3 onwards… Daily is a 110 V8. |
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12th Feb 2016 10:00pm |
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| Cheshire110 Member Since: 26 Jul 2013 Location: Cheshire/London Posts: 2724
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Yep not really worried about it at all.
Any thoughts on unleaded conversion? At the moment we use additive but it's a bit of a pain, interested to know if a conversion's necessary. Cheers, David Land Rovers of all shapes S3 onwards… Daily is a 110 V8. |
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12th Feb 2016 10:09pm |
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| Gonarezhou Member Since: 08 Mar 2015 Location: White River Posts: 178  
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David I ran an old Series III for two years on Unleaded 101 Octane Avgas in the Zambezi valley of Zimbabwe....worked hard and actually never missed a beat even when my Cruiser electrics were causing me nightmares!
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12th Feb 2016 10:15pm |
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| Gonarezhou Member Since: 08 Mar 2015 Location: White River Posts: 178
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Actually I don't as many think the blue smoke comes from oil passing through the rings (and I have reasons for this) my own speculation is that the oil ingresses through the valves by seeping in through the valve stem seals....just my own thought.
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12th Feb 2016 10:20pm |
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| dorsetsmith Member Since: 30 Oct 2011 Location: South West Posts: 4554 |
http://www.turnerengineering.co.uk/acatalog/2.25_Petrol.html at bottem of the page unleaded converion heads inp and metic |
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12th Feb 2016 10:24pm |
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| Trebro Member Since: 28 Jan 2016 Location: Hampshire Posts: 240 
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I had oil coming up the head and being blown through the rocker cover breather back into the inlet manifold. Head gasket had blown between cylinders and subsequently exhaust n inlet valves were burnt.
Maybe best to try a compression test first then work from there? |
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12th Feb 2016 11:14pm |
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| Trebro Member Since: 28 Jan 2016 Location: Hampshire Posts: 240
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I tried additive for a while in my 5 bearing engine, then read that it wasn't required in the 5 bearing engines, I noticed no difference driving without additive, ironically I found using 97 Ron petrol made it run poorly. |
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12th Feb 2016 11:18pm |
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