Originally Posted by What v8
I was thinking about doing a gtx30r because my car would hit full boost at 5k, but now it hits full boost at 4400 and it will hit it even sooner with cams. Thats not too loaggy for my and i should be able to make more power with this with heads and equals than a gtx30. i know it could be close but this turbo will have more top end as well... if i go to a gtx turbo it will be a gtx3582.
Cams tend to make it spool later, not earlier. If you're spooling at 4400 now, expect to see full boost at 4650-5000 depending on cam choices.