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boost problems

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CRANKED91TSI

Probationary Member
16
0
Aug 9, 2009
Paris, Kentucky
ok i have a problem. I installed a 16G on my talon then upgraded again to a big 16G but the seals were bad so i re installed my 16G....NOW MY PROBLEM, last time i ran at the track (with the small 16G) i was able to boost launch at 15psi but after i swapped turbos and then put my small 16g back on i can only boost 5psi at the line..... but when i get moving i can run 15psi and it will hold to redline. ( my small 16G is ported and polished, and the wastegate was opened up a bit because we used to have a problem with boost creep) and the last time this happened i had a hose that was not tightened at all and it would build 5psi at the line but when i took off it wouldn't spool at all...?? Does this have something to do with my turbo being ported and polished??? and i believe my car is a little low on oil...(maybe alot, i do know it is low tho) anybody have any ideas on why i cannot launch at 15 anymore??? any help would be greatly appreciated. yhanks!!!
 
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