Originally Posted by wstar

Just an update on this in case anyone else was considering this idea (adding NST's alternator pulley to an existing Stillen crank pulley): it works out fine with the belt Stillen recommends for their crank pulley (Gates K070776). The tension indicator on the tensioner shows up on the middle mark, which is just barely in range for a new belt according to the service manual (and then you still have some allowance for the belt to wear out over time).