Can anybody please tell me what the size is of the bit you need to remove to put a t piece in to set up an oil pressure gauge??? Opinons i have are:
1/2" unf
1/4" npt
1/8" bsp
1/8" npt
3/8" bsf
3/8" npt
m10x1.0
m10x1.5
m12x1.5
m14x1.5
m16x1.5
m18x1.5
1/2" unf
1/4" npt
1/8" bsp
1/8" npt
3/8" bsf
3/8" npt
m10x1.0
m10x1.5
m12x1.5
m14x1.5
m16x1.5
m18x1.5