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Rb26 Lag - Compression?

byebye

By byebye,
in Engines & Forced Induction

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Rolls Grand Master

Rolls

Posted
Posted

If the compression is within 5% per cylinder then don't worry about the actual number (unless its under 100 or something extreme), it is almost certainly fine.

Lag could be poor boost control (line leaking), N1 turbos, leak somewhere. Can you get a graph of boost vs rpm? that often shows the issue.

Rolls Grand Master

Rolls

Posted
Posted

I think you have one lazy turbo. One is overboosting to compensate, Best way to check it would be using two boost gauges one on each turbo and see whichone is boosting

They are both connected, they will read the same pressure surely?

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