I picked up a built 5.0 1990 mustang that needs to be tuned. What’s the best route to go ecu, tuner, etc.

  1. Haltech is my choice. Although some dudes go old school Mega squirt. Stock block? If you're on nitrous or boost stay pretty soft on the timing down low. Some dudes have gone extremely fast with stock blocks.

  2. Bout to say I’ve personally worked with leech and they’re cool dudes and also killer for remote tuning / tuning at all. I’ve learned so much from them. They’re gonna be on hiatus soon tho so co tact them asap

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