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tbyrne
02-16-2004, 11:34 PM
Wester's Performance tunes are now available with these basic choices.

1) 85 octane high altitude tune

2) Dual 87-91 Octane tune (will automatically adjusts for octane)

3) Dual 89-93 Octane tune (will automatically adjusts for octane)
(These dual octane tunes are recommended for all dual purpose (work/play) trucks.

4) 91 Octane HOT tune (much more aggressive than the Dual octane tune)
(Recommended for performance trucks where higher than 91 octane fuel isn’t available, like California.)

5) 93 Octane HOT tune (much more aggressive than the Dual octane tune) (Recommended for performance trucks. No, or very limited, heavy towing or hauling!)

Custom tunes to your specific requirements and desires.

The new 87/91 and 89/93 dual fuel tunes will be able to run with 87 or 89 octane in MOST conditions with good performance, or with 89, 91 or 93 when even more performance is wanted. The dual octane tunes are capable of tuning for a higher octane. The factory tune will only advance the timing to the limits set in the original spark tables. Changing between 87 or 89 octane and 91 or 93 is automatic, the tuning will adjust itself for the octane you are using by referencing another spark table.

Under MOST conditions, all the tunes will run fine with the octane programmed for, but altitude, towing, load, condition of the engine, temperature, poor fuel quality, oxygenated fuels, or sensor variations may require choosing a higher octane. Just be aware that under certain conditions a higher octane fuel may be required, and that more performance and sometimes better fuel mileage is available just by using higher octane.

Standard with all performance tunes

Complete reflash of the PCM to your VIN, with all factory updates.
Dyno developed performance tune optimized for your exact engine and transmission combination.
Raised and optimized shift points
Firm, but not harsh shifts
Elimination of all torque management that can be safely removed

Some of the more common modifications to ask for.
Raising the top speed limiter to any speed you specify
Specifying the exact shift points you want in every gear
Firmer (or softer) shifts.

Specific tuning for your modifications, like larger than stock tires, gear ratio change, aftermarket MAF sensor, supercharger, headers, cam change, engine modifications, etc.

The Guarantee

30 day free trial, you don’t like it, we’ll either modify it, or send it back and owe nothing!

Lifetime warranty (no cost or fees)

Lifetime updates for all future mods ($45 shipping and handling fee)

Lifetime full price paid credit toward your next custom tune for your next vehicle ($45 shipping and handling fee)

NO vehicle downtime if you want/need an update. Your new program will be sent to you first and then you can send the old one back!

Some guys have been reporting horsepower gains in the 28-50hp range with the 6.0 motor. The numbers on the high side were from SS owners. One guy went from 15.2 - 14.1 with this programming, along with removing the spare and bed liner.

Others have been seeing about 24-34hp from the 5.3 and 25-55hp from the 8.1s. The spread depends how aggressive the tuning is along with other modifications that are done to the vehicle. Fine tuning for other mods will sometimes make more of a different than just running those with the stock programming.

We have a group purchase running for a savings of 20% through Friday. More details can be found in the Group Purchase section of our website.

Tom

http://www.tbyrnemotorsports.com/Banners/truckbanner.gif (www.tbyrnemotorsports.com)

Order line - 1-877-4-TBYRNE
E-mail - tbyrne@tbyrne.com

SUPERCHARGER DISCOUNTS AVAILABLE! (http://www.tbyrne.com/superchargers.html)