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Computer Upgrade

1990-1993 Hardbody 4-cylinder

Pricing: $495.00


  • Top speed limiter is removed.
  • The rev limiter is raised to 7,000 RPM
  • Most aggressive fuel map and timing curve when 91+ premium fuel is used.
  • Optimize the throttle response code for better throttle response.
  • Still allows for smooth idling.
  • Easily installed.
  • You must either send your working ECU to be upgraded or pay a deposit of $500.00 for no down time. Deposit will be refunded when we receive your working ECU.
  • 8-10 HP increase.
  • This is a special order item and no refunds, returns, or exchanges will be offered.
  • It is important that you include a list of your vehicle details including automatic or manual transmission, California or Federal emissions, any performance upgrades, etc.


  • PPCO1521
  • PPCO1521
  • New


Shipping Information

  • Item Requires Shipping
  • 7.0 lbs.

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