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1978 280z back fire

diego1988
diego1988
in Engine & Drivetrain

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comment_533319
On 10/24/2017 at 8:08 PM, diego1988 said:

What are symptoms of a blown ingine?

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Hi Diego, a blown engine would have blue smoke if oil is getting into the cylinders.  Have you run a compression check on it?

  • Author
comment_533322

God thankyou it has blue smoke coming from the exhaust and iol on the spark plugs...I'm sure us a blown ingine, this cars seem to blow ingine very ease I think, and no I haven't, need the tool and know how to used it thank I will try it. Thanks Mike

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comment_533332
5 hours ago, diego1988 said:

God thankyou it has blue smoke coming from the exhaust and iol on the spark plugs...I'm sure us a blown ingine, this cars seem to blow ingine very ease I think, and no I haven't, need the tool and know how to used it thank I will try it. Thanks Mike

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IMHO, that is not necessarily the sign of a blown engine. If the engine has never been apart, the oil control rings might be too worn to do their job. 

<sarcasm>Yeah, only 40 years and who knows how many thousands of miles, and the engine is already worn out. Man, that is poor quality.</sarcasm>

Get a realistic view. It's an old car. Rings get worn, valve seals & gaskets dry out, water passages experience corrosion, etc. 

The engine may need to be rebuilt. As long as you can find someone familiar with the L series motors, you'll be in good shape. You can take it to some place like Dandos or Z Car Garage. You have the resources nearby. You just need the cash to pay for it.

  • Author
comment_533353

I'm planning to take the ingine apart, and used it for parts, a friend is selling me one for a good price..hopefully it doesn't have too manny miles on it

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