Precision Turbo Wastegate Springs
Precision Turbo Wastegate Springs for the PW39, PW46, and PW66 wastegates. See chart below for obtaining the desired boost level for your wastegate.
| Precision Turbo PW39 39mm Wastegate Spring Chart | ||
| PSI | BAR | Springs |
| 1.3 | 0.09 | Natural |
| 2.7 | 0.19 | Yellow |
| 4.0 | 0.28 | Natural + Yellow |
| 5.6 | 0.39 | Red |
| 6.9 | 0.48 | Natural + Red |
| 9.4 | 0.65 | Green |
| 10.7 | 0.74 | Natural + Green |
| 12.1 | 0.83 | Yellow + Green |
| 13.4 | 0.92 | Natural + Yellow + Green |
| 15.0 | 1.03 | Red + Green |
| 16.3 | 1.12 | Natural + Red + Green |
| 18.8 | 1.30 | Blue |
| 19.5 | 1.34 | Natural + Blue |
| 20.1 | 1.39 | Yellow + Blue |
| 22.8 | 1.57 | Natural + Yellow + Blue |
| 24.4 | 1.68 | Red + Blue |
| 25.7 | 1.77 | Natural + Red + Blue |
| Precision Turbo PW46 46mm Wastegate Spring Chart | ||
| PSI | BAR | Springs |
| 1.5 | 0.10 | Natural |
| 3.0 | 0.21 | Yellow |
| 4.5 | 0.31 | Natural + Yellow |
| 6.0 | 0.41 | Red |
| 7.5 | 0.52 | Natural + Red |
| 9.0 | 0.62 | Green |
| 10.5 | 0.72 | Natural + Green |
| 12.0 | 0.83 | Yellow + Green |
| 13.5 | 0.93 | Natural + Yellow + Green |
| 15.0 | 1.03 | Red + Green |
| 16.5 | 1.14 | Natural + Red + Green |
| 18.0 | 1.24 | Blue |
| 19.5 | 1.34 | Natural + Blue |
| 21.0 | 1.45 | Yellow + Blue |
| 22.5 | 1.55 | Natural + Yellow + Blue |
| 24.0 | 1.66 | Red + Blue |
| 25.5 | 1.76 | Natural + Red + Blue |
| Precision Turbo PW66 66mm Wastegate Spring Chart | ||
| PSI | BAR | Springs |
| 0.9 | 0.06 | Natural |
| 1.8 | 0.12 | Yellow |
| 2.7 | 0.19 | Natural + Yellow |
| 2.9 | 0.20 | Red |
| 3.8 | 0.26 | Natural + Red |
| 6.3 | 0.43 | Green |
| 7.2 | 0.50 | Natural + Green |
| 8.1 | 0.56 | Yellow + Green |
| 9.0 | 0.62 | Natural + Yellow + Green |
| 9.2 | 0.63 | Red + Green |
| 10.1 | 0.70 | Natural + Red + Green |
| 12.8 | 0.88 | Blue |
| 13.7 | 0.94 | Natural + Blue |
| 14.6 | 1.01 | Yellow + Blue |
| 15.5 | 1.07 | Natural + Yellow + Blue |
| 15.7 | 1.08 | Red + Blue |
| 16.6 | 1.14 | Natural + Red + Blue |