Very nice ride there! What plugs are currently in it? they SHOULD be D8EA NGK. D7 and D9 will work. If it is cold a d7 will work a bit better than the 8. Make sure the plug is NOT a DR8EA as that is a resistor plug and will degrade spark.
As for any tricks, trial and error. My 78K like NO throttle and full choke. Some like half throttle and ect.
The ride IS the adventure. The destination is just to get gas!