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Run in tune

General Tuning Discussion

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Hi guys, what aspects of the tune should i pay more attention on when tuning a fresh motor?

Such as boost pressure, afrs and rev limit.

The engine is an RB25/30.

If running it in on the road, then I would usually stick to the following.

- Rev limit to 6k

- No extended idling sessions (avoid heavy traffic)

- Keep boost to around 10-15psi max.

- Don't be afraid to load it up heavily (within reason) going up hills etc.

- Keep AFR in check, excessively rich will cause potential issues.