Tune specific for Hummers. HUMMER SUPER TUNE

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Product Price: USD 500.00

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We are doing tunes on ECMs specific to Hummer applications. This is not the KOJO tune in our listing for the C/K trucks, but one of our own specific tunes for Hummers only.

Results compared to another top name tuner have been: more power, Cooler engine coolant temps, 1.5 MPG increase, Higher top speed, quicker of the line performance, better shifting characteristics. (your results will vary depending on what you have done to your Hummer already). In this case the Tested Hummer is a 2001 wagon, approximately 9000#s, on 42″ tires, Has our WHLP upgrade, a mechanical waste gate spring. This was going from an already tuned ECM so the results from a stock ECM to one with our tune will be dramatic. We can tune for any Hummer with the DS4 injection pump.

We can tune so the glow plugs stay on longer, or if you want to run a manual spring waste gate we can turn off the vacuum system in the ECM so you don’t throw codes or go into limp mode. If you have a special request let us know and we will try to accommodate.

Turn around time can be 10-14 days. We can supply a good used ECM for $250 email or call for details also it could take longer depending on availability of  a used ECM.

We highly recommend you install our WHLP upgrade to support the new tune. Also you should have boost gauge and Exhaust Gas Temp EGT gauge to monitor those.

After your purchase we’ll need to know your

VIN#

Differential gear ratio and tire size.

Any power adders already done.

See also different:
  • Hummer H1
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