Tach Question

[RVRBUM2]

Just Got A New Tack For The Boat And It Has A 1 2 3 4 Setting On The Back Not The Normal 4 6 8 That Im Used To What Do You Set It At For A Big Block Chevy

[Cheap Thrills]

Just Got A New Tack For The Boat And It Has A 1 2 3 4 Setting On The Back Not The Normal 4 6 8 That Im Used To What Do You Set It At For A Big Block Chevy
That sounds like a 2 stroke tach. :idea: inductive pickup or distributor ?
T.

[RVRBUM2]

That I Am Not Sure About I Wil Have To Check That Out