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      • SRD Tuning
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  • fuel system
Close-up of two Plazmaman fuel rails on the intake runners, each feeding six injectors, one row nearer the cylinder head than the other
Posted inEngine Management Mk4 Supra

Staged Injection on the Emtron KV12: A Blend, Not a Switch

How the Emtron KV12 stages twelve CP1000 injectors on the Supra: every table that controls the handover, what the logs show, and where the secondaries sit uncomfortably close to their minimum pulse width.
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Chart of injector flow against rail pressure showing a square root relationship, so an injector rated 1,000 cc at 3 bar flows 1,155 cc at 4 bar rather than 1,333
Posted inEngine Management Mk4 Supra Tuning

Twelve Small Injectors Instead of Six Big Ones

Every big power build hits the same wall. You need enough injector to feed the engine at full noise, and the injector that does that is too big to idle…
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Recent Posts

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air model calibration dbw ecu emtron gtr injectors litchfield manifold nissan r34 r34 gtr r35 rajab racing skyline slap adventures supra traction control turbo upgrade

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