So I was getting tuned yesterday and my has basic bolt ons and should be making 310-330 hp after finding out I don't have a stock turbo. But my car isn't making any power over 270 and my tuner and I have no idea what's wrong. We boost leaked the car to 25psi and no leaks, did a compression test and the results were 160/160/170/170. It holds boost all the way to redline and fuel doesn't start cutting until after redline, we also checked the spark plugs and wires and that checks out so can I get some ideas of what the problem could be? My tuner and I are stumped

 

Get a better tuner.

 

My tuner is not the problem it's the car, and many people from this forum have been tuned by boosted tuning I trust what he does, it's the car not him

 

anyone have any ideas?

 

That makes no sense, and you have 2 threads.

 

yes i posted one in the gerneral and one here because i wasnt getting any answers