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Old 09-16-2019, 07:43 PM   #1
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RAM 1500 Tuning Question

I've got a 2004 Ram 1500, 5.7L hemi.
Has anyone had and ECM tune done on a 5.7L and what difference did it make? I've talked to three companies that can do the EMC tune for my 2004 truck, but none of them felt that they would be able to produce a noticeable improvement.
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Old 09-16-2019, 09:30 PM   #2
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There's just not much to gain trying to tweak a stock late model, naturally aspirated motor. Intake, headers, high flow cats and full cat back exhaust on my old SRT10 was only worth about 6% improvement and the person who put it all on before I bought the truck spent at least 6 Grand on the parts and install. Forced induction is another story, but that's a lot more than just tuning.
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Old 09-17-2019, 02:53 PM   #3
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On any gas engine you just won't get much improvement. On my '02 1500 with the 4.7, I had a Superchips programmer, aftermarket throttle body, HO cams, cold air intake, complete aftermarket exhaust from headers to tip. Maybe some other items. Altogether it made a difference but mileage was miserable if I was doing anything other than cruising empty. The final piece that put it altogether was the y-pipe in the exhaust. It's known to be a big restriction in the exhaust on that generation of Dodge.
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