Spar<>tan WarHammer_X race tune (revised 600HP)
I'm having a similar experience with my tune. Matt sent me a revised Warhammer and I ran it for about 800 miles. It fixed all my problems except 3/4 cold shift and it seemed down on power. I went back to the normal warhammer about 150 miles ago and so far I haven't experienced any of the problems I was previously having.
I've always had Sppartan tunes however.
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