Buick Grand National Turbos

The Buick Grand Nationals from 1984-1987 represent the best of the Buick Turbo car series. If you’re one of the many enthusiastic Buick Grand National collectors, you know it’s true! These cars have fantastic power and economy. Let Limit Engineering assist you with all your Grand National needs.



Model Description Compressor Flow Horsepower Remarks
TB0330 84-85 Buick Stock Turbo 34 Lbs/Min Stock Complete stock core required
TA33C 84-85 Buick Upgrade Turbo 53 Lbs/Min 500 HP Complete stock core required
TB0348 86-87 Buick Stock Turbo 37 Lbs/Min Stock Complete stock core required
TA49 Stage 3 60 Trim TO4E 53 Lbs/Min 500 HP Bell required
TA60 Stage 3 60-1 TO4E 62 Lbs/Min 600 HP Bell required
TA62 P-TRIM 60-1 TO4E 62 Lbs/Min 620 HP Bell required
TE44 Stage 3 60 Trim TO4E 53 Lbs/Min 500 HP 3" Inlet 2" Outlet
TE45A P-TRIM 66MM 73 Lbs/Min 725 HP 3" Inlet 2" Outlet
TE60 Stage 3 60-1 TO4E 62 Lbs/Min 600 HP 3" Inlet 2" Outlet
TE61 Stage 3 61MM GT 61 Lbs/Min 610 HP 3" Inlet 2" Outlet
TE62 P-TRIM 60-1 TO4E 62 Lbs/Min 620 HP 3" Inlet 2" Outlet
TE67 P-TRIM 67MM GT 73 Lbs/Min 725 HP 3" Inlet 2" Outlet
GT70 P-TRIM P-TRIM 70MM GT 85 Lbs/Min 850 HP 4" Inlet 2.5 Outlet
GT70 Q-TRIM Q-TRIM 70MM GT 85 Lbs/Min 850 HP 4" Inlet 2.5 Outlet
GT76 P-TRIM P-TRIM 76MM GT 102 Lbs/Min 1020 HP 4" Inlet 2.5 Outlet
GT76 Q-TRIM Q-TRIM 76MM GT 102 Lbs/Min 1020 HP 4" Inlet 2.5 Outlet