I’ve been doing MTNTOUGH for about a 1 yr. It’s a great program. I’m about to complete 45-70 and it’s been a hard hard hard program
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Have a 2020 5.3 Silverado and haven’t had any issue. I also put a pulsar tuner on it and disable the dfm. That could be a good reason.
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Guys that have done the 45-70. What is your experience? I done one round of KB20 and HP20. Both were great. I feel I’ve heard the 45-70 is HP20 on steroids.
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