Yeah that's exactly what I have heard about JPC by a bloke who knows his shit with these pumps.
Who's Brett?
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4x4 obsession. ..
I would still like to try a different tuner for a second opinion.
I heard that jpc does not tune properly and does the lazy mans tune.?
Just bought a 92' Maverick and drove from QLD to Coffs. 500km and got 10.2l per hundred. Not sure what the norm is but The GU used more than that. The Mav is completely stock and only done 215,000 kms.