jin,
just FYI, oil company does not produce additive... petrolchemical company produce them...
Focal,
one more time.. do not confuse the reader with statement like those....
eg. MOST PROTECTION, BEST DETERGENT, or claim to be the 1st in something, because we dont want that... what the user wan is a overall balance product. I dont like misleading ad or information ... u just see shell or castrol or mobil... they will never put up the ad such as, NO1 protection, or longest life engine oil... what theyput is 4x better or no 1 sales volume.. or 3 times cleaner...
eyong
if u ask me, i will tell you forget about it... what you got is one of the best possible in the market... why bother to take risk
the common hp increaser in the market is usually booster or something similiar... it does give u the feel and actual hp value, but what is the cost and side effect... that is what I am still learning and checking out ....