plz help i have a v3 sti bottom end went so i replaced it with a recon engine 200 miles later head gaskets went i replaced them 500 miles ago now the cooling system seems to be over pressurised i ve relaced cooling cap water pump new steel head gasket radiator and water pump.

 

How much pressure are you talking about is it coming out of the cap? Have you tried a sniff test on the coolant as a start point?

 

yes sniff test was done all seems ok pipes are solid

 

TRY THE THERMOSTAT MATE

 

What is the "sniff test" if i may ask?

 

It checks for exhaust gases in the water system, which is sometimes a symptom of headgasket failure

 

is the car overheating? is it loosing water? if its loosing water where from?

 

May be a bit of a bitch to do, but try a re-torque of the head studs. Excessive pressure can leak from the gasket and sometimes not show up on a sniff.

Since you did not say overheat then the rest of the cooling system checks out fine?

Without an eyeball on the situation, my attention would be focussed on the gaskets/heads.

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