Smokey 20V
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11-24-2015, 01:48 PM
Post: #1
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Smokey 20V
Hey guys,
Since my last engine rebuild i've made 1000km's My engine ended up pretty fine and i already tested it at Circuito Estoril back in September. Guys on the track said the engine was a bit smokey, well i was having 120º temperatures on Oil.... Of course the engine had a bit of oil consumption.... The issue here is on the road... driving normally, oil temp at 95/100º people say that when i'm lifting my foot and pressing the pedal the car smokes a bit... Im with a 10W40 millers CFS oil and i didn't changed my piston rings..... I'm pretty sure that because the engine was not used for a long time i have the rings affected.... Is the car regularly a bit smokey all the times? Thanks |
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11-24-2015, 08:50 PM
Post: #2
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Smokey 20V
If you didnt change the piston rings what sort of rebuild was it? Your chances are pretty good its the piston rings. Did you pull the pistons out of the block? Blue smoke on lift off throttle could also be valve steam seals, in case they werent changed...
1979 Toyota Corolla KE35 1983 Toyota Corolla AE86 1985 Toyota Corolla AE86 |
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11-25-2015, 01:19 AM
(This post was last modified: 11-25-2015 02:14 AM by pack.)
Post: #3
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Smokey 20V
I changed all the gaskets only...
The cylinders were in so good shape... and because it was looking so good i didn't want to mess with it. Well... now i think they needed a change.... I didn't pull the pistons out... just looked at the bore and because i had the factory marks and all seemed OK It's not a big deal... the car is just a bit smokey sometimes.... |
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11-25-2015, 08:13 AM
Post: #4
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Smokey 20V
(11-24-2015 01:48 PM)pack Wrote: people say that when i'm lifting my foot and pressing the pedal the car smokes a bit... To me, that points more to valve stem seals then to rings. "It's all about the heart, the people who focus on parts, turbo's and all that stuff...they're just losers." -Shinji Minowa |
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11-25-2015, 08:42 AM
Post: #5
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Smokey 20V
I'll have to check that... maybe the stem seals aren't properly placed... Or somehow managed to move from their spots..
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11-25-2015, 09:31 AM
(This post was last modified: 11-25-2015 09:33 AM by boedtsie.)
Post: #6
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Smokey 20V
I had the same,
Changed over to 20w50 what was recommended by someone from irland. Alot of them use it there (millers). And that solved my problem. Hopefully you some use of it. This is the oil btw. https://www.matthys.net/en/Shop/146/moto...0--5-liter grtz |
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11-25-2015, 10:00 AM
Post: #7
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Smokey 20V
First of all i'll try the 10W50 SCF from Millers.... my friends use it on the Integras with good results....
Maybe i'll solve it.. |
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11-30-2015, 04:44 PM
Post: #8
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Smokey 20V
Ok now it's official... Something is not right with my engine....
When driving and leaving the gas pedal, just after some time when i press it again the car smokes alot.... Also when shifting from 3rd or 4th gear to 2nd for example i also saw alot of smoke.... Small baffles when shifting gears..... I think my valve stem seals are bad..... or my piston rings gave up..... Weird because my car wasn't smoking.... What causes the smoke when leaving and pressing the gas pedal? |
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11-30-2015, 05:05 PM
Post: #9
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Smokey 20V
Had the same problem with my 20v engine, replaced stem seals, didnt help, then I've changed the piston rings and that solved the problem. It looked to be the oil control rings that were stuck.
http://s141.photobucket.com/albums/r69/larszylauv/ |
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11-30-2015, 07:43 PM
Post: #10
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Smokey 20V
(11-30-2015 04:44 PM)pack Wrote: Ok now it's official... Something is not right with my engine.... Thats the same i had and now its gone with the 20w50 oil. Try it before you open the engine. grtz |
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