PCM and handheld tuners
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Gzero wrote:I've used both SuperChips and HP Tuners. Superchips was a good starter but it wasn't until I purchased an HP Tuner did I really notice a huge benefit. There is just so much to tuning, I leave it up to someone else to actually do the tune files. HP Tuner is great a scanner also. Hook it up and you can see live data on your laptop.
With this Accel that i have it has two options. The first, is a performance tune for 91 octane gas, and i run the recommended 93 octane. The second i can get in there and change shift points, pressures, tire size and some other things too, i cnt remember right now, but it also scans. I do have an evap code coming up. Will this code keep it from running the best?
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Very possible the code will affect the performance. I think the thing I noticed the most with a handheld tuner like that was the shift points. Transmission responded much better with the tune.
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If you dont have an Oil pickup tube, or a baffle installed. Run 7 qts of oil as well. It is literally a requirement in these trucks. You WILL spin a bearing if you dont. Dont ask me how i know...
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Don't forget it's a 4 speed....the shifts are always going to be all over the place with big rpm swings. It's the only part of these trucks I dislike.
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