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Hi guys I’ve done a compression test on my polo. 1.3 gk engine 1984 gl. it’s got a gk cam in it and gn inlet, exhaust and I ported/polished it on a rebuild a while back. It’s been running strong and fairly reliable since rebuild but I never did the bottom end. Cyl1 - 80psi cyl2 - 90 cyl3 - 90 cyl4 - 87 it’s pretty lumpy on idle but revs well otherwise. what’re your thoughts? I think the compression is too low. I could do a bottom end rebuild but I don’t think I can take anything off the gasket etc because it’s already only just cl