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Ok i just got a tune on my boosted d16 with a turbonetics T3/t4 on 4psi(boost leak). Now i have a .48hot .60cold T3super 60 at a full 9psi(fixed boost leak). Would it be worth getting retuned?
Oh and the turbonetics was .63hot side and took FOREVER to spool.
if it took forever to spool then you prolly had a bad tune to begin with
or it was because the turbo is fairly large for that motor + he said it had a boost leak . Its a great sized turbo, but for some spools too slow on the 1.6l.
You will need a retune for sure. Anytime you change something that is going to change the ve of your motor then you will need a retune on a map based system.