Thinking of refreshing my 172

[stanis232]

Picture for attention: Concern

It seems that I have a bit of oil being burnt during the course of the month. Almost every month a quart of oil has to be topped up.

My mechanic informed me that the compression is 180psi at chamber no.1,2&4 but no. 3 was at 160psi. With that being said I'm thinking I should do a ring job I'm currently doing average 113,000kms

Parts I have in hand(engine and engine bay):
Head rebuild kit and head bolts
Plugs
Valve seals
Engine and gearbox mounts

I'm thinking I should change some other parts as I'm opening up the engine. What parts should I change while I'm down?

Timing belt
Pulleys
Water pump
Oil pump
Etc.

Any advice would be greatly appreciated

Thanks in advance

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[imprezaworks]

Is money an issue, can you do the jobs yourself?.

If the answers are no, maybe, will give it a go. Imo just get a good second hand engine that’s had proof of belts etc.