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Jul71-Oct74 Offline
#1 Posted : Wednesday, 27 December 2023 12:32:30 AM(UTC)
Jul71-Oct74

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Hi Guys
Ive got an Astra 1.6 petrol with approx 60k on the clock which I bought a few months ago.
Car looks immaculate, but dry compression test results are:
1: 215 psi
2: 215 psi
3: 190 psi
4: 230 psi.
Would that amount of variation be cause for concern?
Car seems to run fine otherwise.

Edited by user Wednesday, 27 December 2023 12:35:39 AM(UTC)  | Reason: More information

greenhj Offline
#2 Posted : Thursday, 28 December 2023 9:31:45 PM(UTC)
greenhj

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wouldnt bother me.

What does number 3 plug look like compared to the others?

Tried dropping a bit of oil in the low cylinder and retesting?

Have you done a leakdown test?

Does it drive ok?

Edited by user Thursday, 28 December 2023 9:33:32 PM(UTC)  | Reason: Not specified

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