Compression Ignition Addict
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Spartan vs. H&S vs. KEM write up! ~ The ultimate showdown!!!
Since I had some spare change laying around and I was curious, I bought a Spartan to try. I've been running it for about a month now, so I thought I would share my findings with you guys. Hopefully this will be able to answer some questions for guys trying to decide which to go with.
I'll start with H&S: I love the shift-on-the fly capability of H&S tuning. Their tunes shift closest to stock of the 3. The plethora of tranny tunes is a big plus too. However, the power cannot compete with Spartan or KEM tuning. For the lack of power compared to the other 2, I think the EGTs get too high and I would like to see a little less smoke.
Next, Spartan: If you want just raw, down and dirty power then this is the one I would recommend. It just feels like you could pull anything. I really like the late lock/ early lock option. Plus the Dashdaq is schweeet!!! The bad is that the tranny tuning is by far the worst of the 3. It slams into gear and has no street manners around town. There is no easing into the throttle. It makes it very lurchy in parking lots. The 210 and lower is better than the 250+ but it still is a long way behind H&S and KEM. The spartan runs too hot for my liking and is the smokiest of the 3 by a good margin. But like I said earlier, I think you could pull anything with the Spartan.
Last, KEM: The power is right there with Spartan. It's fast, and it pulls. The transmission tuning is WAY better. Shift quality is great, firm but not hard. The EGTs are by far the lowest of the 3 and it is the least smoky. It also seems to be the easiest on the fuel gauge. The one thing I would like to see out of the KEM tunes is more tuning options, like a late lock/ early lock option like the Spartan.
All 3 tuners make crazy power and put a smile on your face. It all depends on what you want to use it for. I think the KEM tuning is the way to go. It is the best combination of power, shift quality, and fuel mileage. I will be putting my Minimaxx w/ KEM tunes back in my truck this weekend and selling the Spartan. I feel like there is a better chance of tearing the truck up with the Spartan compared to the other 2 and that's a chance I'm not willing to take.
**This thread is not meant to bash any companies, as I think all 3 have great tunes. This is just my opinoin.
2008 F-250 Lariat
Tuned by H&S, 5" flo-pro, S&B CAI
20" monsters on 35x12.50 Nitto Trail Graps