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Originally Posted by Steve - SanJose
Only the V8 will cure the need for power. Regarding the 3.5 to 3.7 difference, it sounds like most are saying the difference is small.
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Sorry to say, I'm pretty disappointed with the 5.3L alpha power. Really was expecting more. I'm sure that you can get a lot more power from one though with the normal, cold air intake, exhaust and a tune mods. I really think the 3.7 is a pretty good improvement over the 3.5 especially in the lower end. I mean 20hp is almost 10%.
I don't see why people don't think the PCM reflash works. I personally tune vehicles and have had great success in the drivability on the H3, especially if larger tires are installed. Unfortunately I don't have any dyno numbers since I don't have a dyno, but everyone I've tuned says "Everyone should do this."
Just my .02
Pete