Mail Order tuning for ALL GM vehicles with their OEM PCM/ECM with only bolt-on modifications.
Please print the following PDF form and mail it with the PCM. If
you cannot print it out, use it as a guide and include the information
with the PCM when shipping it. Typical turn-around time is next day.
Some go same-day and if work load is very high, PCMs may require 2-days
for programming.
PLEASE do not send ANYTHING except the PCM and worksheet.
PLEASE do not ship the plastic PCM bucket or the PCM seals. If you have
removed the seals, re-install them on the harness connector before
re-installation, not the lip on the PCM.
Bolt-on mods include items such as headers, torque converters, cold-air intakes, intake manifolds, etc. Internal Mods would include swapping of camshaft, cylinder heads, non-OEM style pistons, etc. Aftermarket rockers, pushrods, replacement lifters are NOT considered internal engine mods. This Internal Engine mods pricing class of tuning includes forced induction as well as all 1, 2, and 3 bar Speed Density tuning. Feel free to use our contact form if you have further questions
- GM V8 Gen III Cars
- 98-02 Firebird/Camaro 5.7
- 97-04 Chevy Corvette 5.7
- 03-04 Chevy SSR 5.3
- 04 Pontiac GTO 5.7
- 04-05 Cadillac CTS-V 5.7
GM V8 Gen IV Cars
- 10-14 Camaro 6.2
- 05-14 Chevy Corvette 6.0, 6.2, 7.0
- 05-06 Chevy SSR 6.0
- 06-09 Chevy Impala 5.3
- 06-07 Chevy Monte Carlo 5.3
- 05-09 Pontiac Grand Prix 5.3
GM V8 Gen III Trucks
- 02-06 Chevy Avalanche 5.3, 8.1
- 99-07 Chevy Silverado / GMC Sierra 4.8, 5.3, 6.0, 8.1
- 00-06 Chevy Tahoe 4.8, 5.3
- 00-06 Chevy Suburban / GMC Yukon & Denali 4.8, 5.3, 6.0, 8.1
- 03-04 Chevy Trailblazer 5.3
- 01-07 Chevy Express / GMC Savana 4.8, 5.3, 6.0, 8.1
- 03-04 GMC Envoy 5.3
- 04 Chevy Tiltmaster 6.0
- 06-09 Chevy Kodiak / GMC Topkick 8.1
- 09 GMC Canyon 5.3
- 04 Buick Rainier 5.3
- 02-06 Cadillac Escalade 5.3, 6.0
- 03-07 Hummer H2 6.0
- 03-04 Isuzu Ascender 5.3
- 01-07 Workhorse 5.7, 8.1
GM V8 Gen IV Trucks
- 09 Chevy Colorado 5.3
- 07-14 Chevy Avalanche 5.3
- 07-14 Chevy Silverado / GMC Sierra 4.8, 5.3, 6.0, 6.2
- 07-14 Chevy Tahoe 4.8, 5.3
- 07-14 Chevy Suburban / GMC Yukon & Denali 5.3, 6.0, 6.2
- 05-11 Chevy Trailblazer 5.3, 6.0
- 05-11 GMC Envoy 5.3
- 05-09 Buick Rainier 5.3
- 07-09 Cadillac SRX 4.6
- 07-09 Cadillac Escalade 6.2
- 08-09 Hummer H2 6.2
- 08-09 Hummer H3 Alpha 5.3
- 05-09 Saab 9-7x 5.3
- 05-06 Isuzu Ascender 5.3
If your vehicle has a separate trans controller, you MUST send it in along with the engine control module.
Mail order tunes (no street/dyno tuning) consist of (this is general, the tune will be custom based on your modifications):
Rear O2, AIR & EGR delete
Fan temp adjustment
Speedo recal for different rear end gear ratio
Remove CAGS (if M6)
Auto tranny tuning including adjustment to shift speed and firmness,
torque reduction stepped down, shift-point change, changes for stall
converters
New spark/timing maps (makes HP!)
WOT fueling adjustment (makes HP!)
Improved knock handling
Throttle cracker adjustment
Many small performance oriented changes
Mail order tunes are done with a bench harness, laptop, HPTuners, Tunercat,
or EFI Live interface, and a 12vdc power supply. Mail order calibrations
are the result of thousands of hours of dyno and street testing. Mail
order tunes are typically used for bolt-ons cars including nitrous and
small cams. For more serious setups with larger injectors, they should
be used to get the vehicle into good enough physical shape to be able to
drive it around and to get it broken in or solid for dyno or WOT tuning
with a wideband. Mail order tunes are not a substitute for
wideband/dyno tuning for engines with internal mods; you must verify WOT
AFR. If you are bringing the car back to us for dyno tuning, you may
deduct $100 of the mail order tune price from the cost of a full tune!
Mail order Tuning includes free updates for 90 days from the time of
original purchase with the customer covering shipping and handling both
ways.
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