Need Vin # off 00 Silverado 5.3 W/ 3.73 gears
07-09-2003, 01:36 PM
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Need Vin # off 00 Silverado 5.3 W/ 3.73 gears
Can I get the vin # off one of you guys with a 2000 silverado with a 5.3L & 3.73 gears. I need my computer tuned for 3.73 gears so I need a truck vin with 3.73s 
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07-09-2003, 02:03 PM
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07-10-2003, 08:29 AM
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Re: Need Vin # off 00 Silverado 5.3 W/ 3.73 gears
His truck is currently programmed for 4.10 gears. He can use Y2K's VIN number at a dealership to reflash his PCM with the 3.73 program. You need a Tech2 to do this & a good buddy who is a GM service tech. 
07-10-2003, 11:01 PM
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Re: Need Vin # off 00 Silverado 5.3 W/ 3.73 gears
i never heard of needing a vin to change stuff with tech 2... i know u can change gears and tire heights with it, but the vin i don't understand...
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07-11-2003, 12:14 AM
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Re: Need Vin # off 00 Silverado 5.3 W/ 3.73 gears
You may be thinking of a Hypertech programmer or something. The Tech 2 is a bi-directional scan tool. It won't change gear ratio or tire height in the PCM.
The Tech 2 WILL do complete PCM programming when a new program is downloaded into it with the GM dealership computer (or by an authorized independant like we are).
This is done by VIN. It's the only way the Tech 2 can program. Although it's certainly not the prefered method to adjust for gear and tire changes; it's probably the cheapest!!
The Tech 2 WILL do complete PCM programming when a new program is downloaded into it with the GM dealership computer (or by an authorized independant like we are).
This is done by VIN. It's the only way the Tech 2 can program. Although it's certainly not the prefered method to adjust for gear and tire changes; it's probably the cheapest!!
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