Spent 45 min performing compression test with $25 compression tester today.
2002 WRX with 90k miles
Mods: VF34 @ 16.5psi 302whp
JDM STI TMIC
Maddad v2 DP & whisper catback
One step colder NGK platinum plugs
Stock intake with K&N panel filter
German castrol oil
1. Remove stock intake box, etc:
2. Remove 12mm bolt in order to remove coil pack from each cylinder:
3. Remove spark plugs using 5/8" long socket with an extension
4. Coil pack and spark plugs removed:
2002 WRX with 90k miles
Mods: VF34 @ 16.5psi 302whp
JDM STI TMIC
Maddad v2 DP & whisper catback
One step colder NGK platinum plugs
Stock intake with K&N panel filter
German castrol oil
1. Remove stock intake box, etc:
2. Remove 12mm bolt in order to remove coil pack from each cylinder:
3. Remove spark plugs using 5/8" long socket with an extension
4. Coil pack and spark plugs removed: