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| Home > General Chat > blue exhaust smoke..piston rings / turbo | |||||||
 9502 Posts Member #: 1023 Post Whore Doncaster, South Yorkshire |
5th Nov, 2012 at 10:54:53pm
what are the typical symptoms for worn piston rings?
Yes i moved to the darkside |
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 1755 Posts Member #: 8852 Post Whore leicestershire |
5th Nov, 2012 at 10:56:46pm
Guides 13.95 1/4 mile on a 2.95 fd. Carnt be that hard to beat! |
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9502 Posts Member #: 1023 Post Whore Doncaster, South Yorkshire |
5th Nov, 2012 at 11:00:18pm
i dismissed guides as it gets worse with boost but interested in your method of thinking if you dont mind elaborating ? Yes i moved to the darkside |
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3006 Posts Member #: 2500 Post Whore Buckinghamshire |
6th Nov, 2012 at 07:41:18am
Off the wall suggestion but I ran a Kent engine which did that and it turned out that if I retarded the ignition a touch it all went away ! I rationalised it to myself that the increased advance was "rattling" the pistons and making the ring seal less than perfect ?. Those old Ford pistons were very heavy and prone to wear quite quickly when thrashed, too.
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Site Admin  15300 Posts Member #: 337 Fearless Tom Fenton, Avon Park 2007 & 2008 class D winner & TM legend. |
6th Nov, 2012 at 08:22:15am
I would personally say NOT guides. My turbo 205 needs guides at the moment, it smokes badly on overrun or when restarted when hot, but on full chat its clean as a whistle.
On 29th Nov, 2016 madmk1 said:
On 28th Nov, 2016 Rob Gavin said:
I refuse to pay for anything else Like fuel 😂😂 |
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 1492 Posts Member #: 9468 Post Whore Wootton Bassett |
6th Nov, 2012 at 08:24:45am
Mine has the same issue.
On 10th Mar, 2012 theoneeyedlizard said:
Hypothetically speaking, where would you stick your nozzle? On 22nd Jun, 2012 apbellamy said:
my wife doesn't know what.head is never mind compression ratio. |
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9502 Posts Member #: 1023 Post Whore Doncaster, South Yorkshire |
6th Nov, 2012 at 09:37:41am
On 6th Nov, 2012 Tom Fenton said:
I would personally say NOT guides. My turbo 205 needs guides at the moment, it smokes badly on overrun or when restarted when hot, but on full chat its clean as a whistle. Agreed mine is the opposite no smoke on overrun From the start i have said turbo oil seals but it had another turbo when i bought it so previous owner was adament (sp?) its not that Chances of buying a dud turbo after a turbo failure are slim but possible, it is a ball bearing turbo so next thing im looking into is how it gets its oil ( BB turbos oil feed have to be restricted or they smoke) Yes i moved to the darkside |
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Site Admin 15300 Posts Member #: 337 Fearless Tom Fenton, Avon Park 2007 & 2008 class D winner & TM legend. |
6th Nov, 2012 at 09:40:48am
What car are we talking about? Not your Mini?
On 29th Nov, 2016 madmk1 said:
On 28th Nov, 2016 Rob Gavin said:
I refuse to pay for anything else Like fuel 😂😂 |
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9502 Posts Member #: 1023 Post Whore Doncaster, South Yorkshire |
6th Nov, 2012 at 09:46:01am
On 6th Nov, 2012 Craigie-B said:
Check your oil drain isnt kinked I guess? hope this helps =] Oil drain on these are straight down and steel pipes so not that Yes i moved to the darkside |
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9502 Posts Member #: 1023 Post Whore Doncaster, South Yorkshire |
6th Nov, 2012 at 09:47:57am
On 6th Nov, 2012 Tom Fenton said:
What car are we talking about? Not your Mini? No its the skyline :( unfortunaty the skyline forums seem to lack the rediculously inteligent type so i thought here would be the best place to post :) Yes i moved to the darkside |
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 10022 Posts Member #: 1456 Mongo Barnsley, South Flatcapshire |
6th Nov, 2012 at 09:49:59am
On 6th Nov, 2012 Brett said:
unfortunaty the skyline forums seem to lack the rediculously inteligent type Are they all "I tellin ya me skyline is shit hot, av got a 1000hp innit!?" If something is worth doing, it's worth doing half of. |
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9502 Posts Member #: 1023 Post Whore Doncaster, South Yorkshire |
6th Nov, 2012 at 09:59:49am
No they really are a great bunch of lads but i think what TM has here is rather special Yes i moved to the darkside |
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 665 Posts Member #: 9345 Post Whore Sheffield |
6th Nov, 2012 at 10:41:35am
The symptoms are very similar for rings, turbo oil seal and guides. It usually ends up being more a process of elimination.
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 9258 Posts Member #: 123 Post Whore Betwix Harrogate and York |
6th Nov, 2012 at 11:03:07am
My rings are shot and I got lots of smoke on overrun, but not too bad on boost where the rings get forced out against the bore.
Fastest 998 mini in the world? 13.05 1/4 mile 106mph
On 2nd Jan, 2013 fastcarl said:
the design shows a distinct lack of imagination, talk about starting off with a clean sheet of paper, then not bothering to fucking draw on it,lol On 20th Apr, 2012 Paul S said:
I'm mainly concerned about swirl in the runners caused by the tangential entry. |
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9502 Posts Member #: 1023 Post Whore Doncaster, South Yorkshire |
6th Nov, 2012 at 11:37:12am
compression test all within 8psi of each other and gain 12-15 across all 6 cylinders with oil
Yes i moved to the darkside |
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1755 Posts Member #: 8852 Post Whore leicestershire |
6th Nov, 2012 at 12:27:19pm
Ah skyline 13.95 1/4 mile on a 2.95 fd. Carnt be that hard to beat! |
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9502 Posts Member #: 1023 Post Whore Doncaster, South Yorkshire |
7th Nov, 2012 at 05:04:47pm
On 6th Nov, 2012 eden7842 said:
Ah skyline  remorgage the house to fix it thenhar har, actually i bought this mainly out of money i have not spent on the mini in the last 8 months with enough left in the kitty for a fully forged engine ( why i bought a smoker with 10k worth of mods) 
another symptom tested out this aft.. when cold and the oil pressure is high 85-120psi it smokes with abit of stick when it warms up and settles at the normal 65psi no smoke at all untill it gets hot then it smokes a fair bit on the power this sounds mucho like the turbo to me Yes i moved to the darkside |
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 16540 Posts Member #: 4241 King Gaycharger, butt plug dealer, Sheldon Cooper and a BAC but generally a niceish fella if you dont mind a northerner Rotherham, South Yorkshire |
7th Nov, 2012 at 05:25:19pm
It's a nissan, it's never going to be reliable...
On 11th Feb, 2015 robert said:
i tried putting soap on it , and heating it to brown , then slathered my new lube on it 
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9502 Posts Member #: 1023 Post Whore Doncaster, South Yorkshire |
7th Nov, 2012 at 05:38:56pm
On 7th Nov, 2012 apbellamy said:
It's a nissan, it's never going to be reliable... this thing burns more oil than your audi and thats meant to burn it
Yes i moved to the darkside |
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 9812 Posts Member #: 332 Resident Cylinder Head Modifier Mitsi Evo 7, 911, Cossie. & all the chavs ...... won no problem |
7th Nov, 2012 at 05:53:24pm
Replace the Turbo, or get it refurbed, on 80k it will be tired on a unknown engine.
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 861 Posts Member #: 951 Post Whore Bromsgrove |
7th Nov, 2012 at 06:49:20pm
Sounds like turbo seals,oil pressure won't affect oil up the bores much,and a hotter engine means tighter piston clearance. 'Where does the engine go?' |
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9502 Posts Member #: 1023 Post Whore Doncaster, South Yorkshire |
7th Nov, 2012 at 10:33:09pm
On 7th Nov, 2012 BENROSS said:
But my monies on a goosed ring land above the oil control ring on one piston. rather specific, i like it :) lets assume it is just above the oil control ring and below the 2nd compression ring but no where else, i would expect the compression test to show it even if its only slightly down or would the top compression ring be enough to hide the damage? Yes i moved to the darkside |
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9812 Posts Member #: 332 Resident Cylinder Head Modifier Mitsi Evo 7, 911, Cossie. & all the chavs ...... won no problem |
7th Nov, 2012 at 10:43:54pm
You maybe correct Bret, but i have known this many times, but wait and see what you reveal go for the blower first! Buddy
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9502 Posts Member #: 1023 Post Whore Doncaster, South Yorkshire |
7th Nov, 2012 at 10:52:53pm
On 7th Nov, 2012 BENROSS said:
You maybe correct Bret, but i have known this many times, but wait and see what you reveal go for the blower first! Buddy dont worry big turbo coming soon
Yes i moved to the darkside |
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 6752 Posts Member #: 828 Post Whore uranus |
8th Nov, 2012 at 07:53:35am
had the same specs on my 16v astra brett . it was a cracked ring land on 3 pistons . Medusa + injection = too much torque for the dyno ..https://youtu.be/qg5o0_tJxYM |
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