W41 Quad 4 PROM - Performance Forum

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W41 Quad 4 PROM
Wednesday, December 07, 2022 10:27 AM
Can anybody tell what PROM the W41 should have? The ECM that I got when I bought the W41 engine from a friend has an ANMS PROM. I looked at the volumetric efficiency table and the values are significantly less than those in an AUKY PROM that I know is from a high output Quad 4. Me thinks that the ANMS PROM is for a low output Quad 4.

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