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are my compression #'s ok?

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Old Oct 18, 2009 | 03:33 PM
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Default are my compression #'s ok?

cylinder 1-165
cylinder 2-170
cylinder 3-165
cylinder 4-180

how do those numbers sound?
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Old Oct 18, 2009 | 03:36 PM
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Compression check? Hope you haven't popped a cylinder?

I don't get why people change 'stats like that. They almost never fail and they really have nothing to do with the car overheating (unless they fail closed which is pretty rare). I'd expect the overheating to be either too little radiator, running lean or a popped head gasket.

Wonder if the oil seal in the turbo is bad? Maybe switch back to the old turbo and see if the oil smoke goes away?
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Old Oct 18, 2009 | 03:41 PM
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[QUOTE=QuadraJet,Oct 18 2009, 03:36 PM] Compression check? Hope you haven't popped a cylinder?

I don't get why people change 'stats like that. They almost never fail and they really have nothing to do with the car overheating (unless they fail closed which is pretty rare). I'd expect the overheating to be either too little radiator, running lean or a popped head gasket.
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Old Oct 18, 2009 | 07:27 PM
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Cooler 'stat may just set an Under Temp CEL. It won't make the car run any cooler except while crusing down the road with low load. I'd leave the current 'stat alone unless you think it's broken. I didn't think of it before but, maybe you need to bleed the cooling system. Maybe you have an air pocket.
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Old Oct 18, 2009 | 08:48 PM
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Originally Posted by QuadraJet,Oct 18 2009, 07:27 PM
Cooler 'stat may just set an Under Temp CEL. It won't make the car run any cooler except while crusing down the road with low load. I'd leave the current 'stat alone unless you think it's broken. I didn't think of it before but, maybe you need to bleed the cooling system. Maybe you have an air pocket.
that couldnt be the problem with the blue smoke correct?? i wouldnt throw a cel tho since im running AEM.. im gunna switch it back to the normal one this week tho i ordered a new one
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Old Oct 19, 2009 | 10:28 AM
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Blue smoke is oil burning in the combustion chamber.

- Look under your oil cap for a milky residue
- Check your compression
- Peform a leakdown test

My guess is blueish/grey smoke is a mixture of oil and antifreeze which = blown headgasket
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Old Oct 19, 2009 | 10:53 AM
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Could you have blown the seals on the turbo? From what I learned it only needs to happen once and its usally at start up. Thats why I went with the BB turbo.
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Old Oct 19, 2009 | 03:02 PM
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i'm thinking its the colder t stat im running causing the car to blow that white smoke u see during a cold start on a cold day.. once the car gets to operating temp it doesn't blow smoke anymore.. i did a compression test and everything is perfect..plus my oil doesn't look milky it looks fresh and my turbo still boost fine..heat comes out when u turn on the heater inside the car also car doesn't overheat at all(which means not the head gasket)
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