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Old 05-10-2012, 05:07 AM   #15
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Originally Posted by justimagination View Post
........As you can see, it's all about what you want. My self, having a low mileage A, it does just fine for us. I tow a 4k pound toad and never have got in a situation where I needed anymore power. As others have said, the's put a lot time and effort in desigining an engine, whether gas or diesel, so I choose to leave mine alone. JMHO, good luck and travel safe.

the only flaw to that thinking is you are in the minority. If you have to climb a 6% grade or more... you definitely want all the power your engine can generate. OEMs dont care about the end user. THey only want to sell a product with the least amount of warranty claims/issues for the most profit $$$. Everything else (reliability, end user satisfaction, etc) is just gravy
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Old 05-10-2012, 05:11 AM   #16
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Originally Posted by MntDriver View Post
I had originally bought the UP, but decided that I never received the "butt dyno" that some talked about, and sent it back for a refund. You really don't even know for sure they ever "tuned" your ECM, as you remove it, send it in, and they send it back to you. You just trusted they did something with your ECM, but never knew for sure. I say save your $800 for gas! PM me if you have any other questions about the UP.

The best way for a power increase for these 8.1 gas engines, is more air in, and more exhaust out. I put on Stainless Steel Magnaflows, and that seemed to give me some type of minor power increase. Next step will be headers, and the Banks kit is on my radar screen.
could it be your elevation that didnt make the UP tune noticeable?? Obviously "butt dynos" are subjective... and a regular drum dyno is only as good as its calibration/bench mark.
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