http://www.youtube.com/watch?v=2jbcCr2ll3c
Without looking at this test in the above link,do u think octane additives,STP,WYNN\'S etc increase or decrease engine power??????
ta stu..
I know that Wynns Four oil stopped my Landrover rattling lol.
I think they generally reduce power, or do nothing...can\'t see the link at work to see if I\'m right though :(