AoA, I have Corolla XE with 2E engine, now its start to burning oil and also find out that water is making pressure upwards and reduce after travel almost 50 km by filling up the coolant bottle.. although oil is not mixing up with water in Radiator but mechanic said that it is due to Gas Kit or may be you need to phase Head depend on the condition.
Now i find out prices in market for EFI engines are too high and i couldn't make a decision as investment is too high from my expectation and also risk of get a bad engine as i don't know how to check a quality of a boxed engine. and i'm also worried about will that give me some positive points when i go for market in couple of years may be or people will be reluctant to buy modified car?