Boost Problem

[archie9998]

I have a L reg 1993 GTi-R and when car is cold it boosts at 0.7 bar but when it gets to normal operating temp the boost goes down to 0.5 bar anybody got any suggestions?

 

[KF79GTIR]

yeah dont boost when cold you will damage your pistons

 

[archie9998]

I always let the car run for a couple of minutes before i move off

 

[KF79GTIR]

makes no difference until your engine oil temp is upto its full dont give it to much boost as i now i am in the middle of a full rebuild because i couldnt keep my right foot off the floor long enough but this time i am goin forged