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- Sun Apr 01, 2018 2:14 pm
- Forum: Engines and Exhaust
- Topic: 4JA1 and 4JB1 internals
- Replies: 6
- Views: 47
Re: 4JA1 and 4JB1 internals
i have a 4ja1 N/A i ran 2 bars (29 psi) stock internals ran like a rocket still with the N/A pump it poured black smoke till it hit boost an ran clean <img alt=":D" src="\images\47837\26512e98-28a7-4231-a5ff-c15c729b945c.gif" title="Very Happy"/> it still drives fine after it and didnt really care ...