Quote:
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Originally Posted by allmotor_2000
Quote:
Originally Posted by scott135i
It's the quickest and cheapest way to add power, especially the stage 1. Adds more power in the upper rpm range more than down low as peak boast is increased.
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Stage 1 does not have RPM based control, so it increases boost the 'same' across the RPM range. |
Yes and the larger impact is at the higher rpm range where peak boost is higher.
With and without jb4 you hit roughly the same boost from idle to 3000 rpms vs say 5000 rpms with the jb4.
That's been my seat of pants impression and dyno experience at least.