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Anon
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Compression test & plugs

Scores on the doors for compression test & some images of the plugs for good measure, numbered 1-4 (front to back):

1: 155-160psi / 11bar


2: 160psi / 11bar


3: 140psi / 10.75bar


4: 160psi / 11bar


After the electrical gremlins thread i'm presuming nothing, anything to be concerned about here ?

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Sat 14 Jul 2012 @ 20:08 Edit this messageQuote this messagePMQuote this message
Anon
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Good compression figures. Has the head got hard seats?

No 3 down 20psi could be a worry but do another check to confirm.

Plugs running ok by the look of them.

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Sat 14 Jul 2012 @ 20:48 Edit this messageQuote this messagePMQuote this message
Anon
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philbradshaw wrote:
Good compression figures. Has the head got hard seats?

No 3 down 20psi could be a worry but do another check to confirm.

Plugs running ok by the look of them.

Thanks.
Don't have much history of the engine, was told it was a replacement unit. The camshaft cover has a soft blue cover of some sort (only noticed today), with GM genuine parts or somesuch on it.
Always used lead replacement stuff in it just in case.

Repeated the number 3 test at the end too.
It's now ready for the camshaft cover to come off tomorrow so getting it started & warmed up again would be a pain!
Sat 14 Jul 2012 @ 20:58 Edit this messageQuote this messagePMQuote this message
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