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Original post by: davejones ,


on cat acerts (mxs, nxs, bxs) i would recommend the VVA delete tune done by: [|CAT DPF CGI VVA ECM tuning]

i've done all my trucks with them, and i just can't tell you how happy i am.

on my mxs, once i loaded the vva delete tune, we unplugged diverter valve solenoid, oil pressure sensor on IVA and backed off VVA's.

power is great, no issues with vvas any longer, and i gained apx. 3/4 of miles.