Tuning Solutions


Sullivan inc. Tuning

For 1998-2010 GM-based cars and trucks
(GMC, Chevrolet, Pontiac, Cadillac, Hummer)
We use the latest in EFILive, and HP Tuners software to tune any aspect of your engine and transmission computers. Whether your vehicle has simple bolt-ons, a cam or cylinder head change, or a full forced induction package, we can tune your vehicle accordingly. Even stock vehicles can benefit from custom programming to help you get a little extra horsepower, better fuel mileage, or even just better transmission shift points and firmness. LT1 tuning is available if the owner supplies his or her connection cable.

Sullivan inc. offers the following GM tunes
- Mass Air Systems (N/A or Forced Induction)
- Speed Density Systems (N/A or Forced Induction)
- Custom Operating Systems (for applicable computers only)
- Automatic Transmission Calibrations 
 (4-speed and 6-speed Automatics)

Stand-Alone System ECU and TCU Systems
No matter the horsepower level or injector size, Sullivan GM Performance takes pride in getting stand-alone equipped cars and trucks to run as if they were still stock. We pay close attention to the details: cold starts, hot starts, timing maps, VE tables, shift points, and more. Tuning available for pump gas, race fuel, and even E85. Supported aftermarket ECU’s include:

- Big Stuff 3
-- TCI

GM Tuning: $100/hour
- $375 minimum for initial vehicle tuning session
- $100/hour after minimum has been reached
- Includes dyno time, street testing and color printouts

Stand-Alone Tuning: $100/hour
- Most makes and models, import and domestic
- 5 hour minimum for initial vehicle tuning session
- Later date, same-vehicle tunes only $90/hour
- Street testing, and color printouts  - Includes dyno time, 
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