Due to high demand, tuning turnaround is a minimum of 2 weeks. Current lead times on custom built turbos is ~1 month. Please plan accordingly. We thank you for your support of the finest parts available for the 6.5L Turbo diesel platform!
Turbomaster Wastegate Controllers
Delete your vacuum pump and gain the reliability you need for your 6.5L with genuine Turbo Masters!. Also known as a mechanical boost or wastegate controller.
Typical variants include include the following but please ask if you are unsure because turbos are typically swapped from the OEM configuration:
1991-1995 6.5L Truck : GM3 or GM4 Turbo
1996-2000 6.5L Truck : GM5 or GM8 Turbo
1994+ H1 Hummer or Van : GM6 or GM7 Turbo
Tuning is required to gain full benefits and prevent trouble codes with de-fueling. Contact us for options!
A boost gauge is required with this product so you can set/monitor you boost levels. Order the boost bolt separately as a bolt-on way to add a boost gauge to stock intake plenums.
When removing the vacuum pump completely, you will need to use a shorter serpentine belt. General information is as follows:
- 1994-1995: 101" - 101.5" Belt
- 1996+: 99.5" or 100" Belt
- Generally speaking they are ~1" shorter then the stock belt