XJ6 & XJ12 Series I, II & III 1968-1992

83 S3 compression reading

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Old May 26, 2017 | 08:36 AM
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quartetchiang's Avatar
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Default 83 S3 compression reading

Remotely probing an '83 XJ6. Owner claims 200K Miles, with compression reading 115/115/120/130/115/120. Says running but needs a "strong tune up". Worth considering? Or walk away? Never owned a Series 3, thus asking for your advise.

Paul
 
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Old May 26, 2017 | 08:48 AM
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Paul:


1. Lots of variables.
A. True or fake numbers.
B. If a USA car, "lower compression ratio", not bad at all.
C, If a Euro car, a bit weak, but lottsa miles....
D. The numbers are close, cylinder to cylinder. That is good.


2. I've no idea as to what a "strong tune up" is. Too subjective for comment.


3. The suggestion of #2 implies, it doesn't run all that well.


4. Is the seller willing to have a qualified mechanic of your choice examine the car ?


5. O'wise, is the rest of the car worth a major engine rebuild ?


Carl
 
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Old May 26, 2017 | 09:01 AM
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Dear Carl:

Thank you for the insight. May I PM you link to the car?

Paul
 
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Old May 26, 2017 | 09:24 AM
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Sure. I'll be glad to look and comment.


Carl
 
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