Re: Why don't we see more PWMV kits on diesels
The HFS-4 is basically a 2-stage controller.
Most OE diesel engines uses a small turbo for quicker spool-up reason. The HFS-4 will injection based on Boost first and followed by IDC. The addition input of rail pressure will further aid the water/fuel ratio accurancy.
I would leave the oil burners alone. I agree the PWM system is more suited for day to day modern diesels.
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Richard L
aquamist technical support
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