hi all,

i have a E reg escort rst, i recently changed the engine to one my m8 had built for his S1 so im now using S1 turbocharger and all S1 water piping.
prior to this my old std engine had no issues with overheating.

the engine i now have in was built a few years ago uprated almost everything,and ran fine, but after him abbandoning the project he sat up the engine after doing ZERO road miles, then i had it off him a few years later which is where i am at now.....

what i have tried :
reploacement stat, take out the stat, bleeding the system, running water thru the top hose and running the car, wired the fan on perm.

but everytime i leave it on idle for 10-20 mins the temp guage goes off the scale and the water pipes are rock hard with pressure!! im seriously out of ideas, so far this prob has blown a water pipe and a heater matrix rad.. please if anyone can help i would be seriously greatful im at a complete loss now