GBT6982
The 69mm frame GBT is the largest in the range. This option caters for the larger displacement or higher revving engines requiring greater power outputs. The 69mm is capable of producing engine output from 440- 820bhp using 2.0 to 4.0 litre engine configurations. As with the 61mm frame, there are 5 compressor wheel size choices and the Ma7 and Ma5 covers can both be used.
| FRAME & COMPRESSOR WHEEL | COMPRESSOR COVER OPTIONS | TURBINE HOUSING OPTIONS | POWER RANGE (engine configuration dependant) |
| GBT 6976 Compressor wheel: Trim = 52.4 Inducer Diameter = 55.0mm Exducer Diameter = 76.0mm |
Ma3 0.58 A/R (3” inlet, 2” outlet) or Ma5 0.61 A/R (4” inlet, 2” outlet) or Ma7 0.69 A/R (4” inlet, 2.5” outlet) |
NT7.0 NT7.1 NT7.2 |
440-600 BHP |
| GBT 6979 Compressor wheel: Trim = 52.4 Inducer Diameter = 57.2mm Exducer Diameter = 79.0mm |
Ma5 0.61 A/R (4” inlet, 2” outlet) or Ma7 0.69 A/R (4” inlet, 2.5” outlet) |
NT7.0 NT7.1 NT7.2 |
460-660 BHP |
| GBT 6982 Compressor wheel: Trim = 52.3 Inducer Diameter = 59.3mm Exducer Diameter = 82.0mm |
Ma5 0.61 A/R (4” inlet, 2” outlet) or Ma7 0.69 A/R (4” inlet, 2.5” outlet) |
NT7.0 NT7.1 NT7.2 |
490-720 BHP |
| GBT 6986 Compressor wheel: Trim = 52.4 Inducer Diameter = 62.3mm Exducer Diameter = 86.0mm |
Ma7 0.69 A/R (4” inlet, 2.5” outlet) |
NT7.0 NT7.1 NT7.2 |
510-760 BHP |
| GBT 6988 Compressor wheel: Trim = 52.2 Inducer Diameter = 63.6mm Exducer Diameter = 88.0mm |
Ma7 0.69 A/R (4” inlet, 2.5” outlet) |
NT7.0 NT7.1 NT7.2 |
530-820 BHP |
