6.4lStroker
New member
- Joined
- May 20, 2011
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- 19
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What kind of numbers are the Spartan tunes putting down compared to the H&S tunes? Which one has the better transmission tuning? I have the Spartan tunes for my 6.4 and I know that they are top notch, but I'm in the market for my new 6.7 and am looking for peoples opinions. Any input is appreciated, thanks.