Cold compresion testing? 650z

[craven wine]

I'll redo over the weekend following the sage advice!

[Pop-Kat]

test should be done warm, if done cold add 5% to the readings, still not enough from you original test but may give you hope

[craven wine]

I eventually rechecked the compression -with the throttle open and plugs out as suggested. this didn't improve results 60's all-round. Hey ho, at least they're all similar! let the dismantling begin.