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Search: Posts Made By: carringb
Forum: Engines and Drivetrain 05-18-2021, 04:34 PM
Replies: 11
Views: 3,357
Posted By carringb
Yup I meant 7.5L Magnum might sell a “tune”...

Yup I meant 7.5L

Magnum might sell a “tune” but the PCM on that PCM isn’t really tunable because it’s pretty basic. And you cannot modify it through OBD-2. You have to rewrite it by connecting...
Forum: Engines and Drivetrain 05-18-2021, 01:39 PM
Replies: 11
Views: 3,357
Posted By carringb
Better breathing and a higher voltage ignition...

Better breathing and a higher voltage ignition coil (with corresponding better plug wires) is about all you can do. Tuning won’t do a thing on the 7.5L. It’s got a very basic EFI system and it’s just...
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