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- Sat Jul 19, 2025 7:48 pm
- Forum: S300 Calibrations
- Topic: H22a4 stock timing map.
- Replies: 0
- Views: 552
H22a4 stock timing map.
Need help guys I bought a car with H22a4 (first time messing with a H series) in it and have since trying to fix all the stuff that was wrong with this thing. (Cam timing was off, ignition timing was off, valves were adjusted too tight, just to name a few things) but I have got this thing running ...