Shelty

I was flipping through my Hot Rod magazine the other day and I saw an ad for Royal Purple synthetic oil that claims it can give you an additional 10 horsepower.

Is this a true fact or a complete sack of crap?

cliffyk

the latter...[/align][/align]

hot wheels

royal purple, a cai and a few stckers and your well over 400 hp[sm=headbang.gif]

mustangman02232

you can make a dyno read whatever you want, HP TV got 8 rwhp on an LS1 by swaping oil, tranny, and rear end fluids

Li0nHart

I have heard that you can get a bit more HP from a "slicker" oil but i doubt 10HP. I think the best benifit of synthetic is the fact you can go longer between oil changes.

kenv

[sm=exactly.gif]---& synthetics hold up better to heat

DKGreenMetallic98

sounds like a crock of ****.

Sacmo

New fluid, less friction, more hp... I could see an increase, but not 10... 1 maybe 2 hp at the most...

Jay Meagher

I tried it back when I raced in the NMRA.. Many of the FS racers were using it and it did pick up 9-10whp. The problem is by the 5th pull it was back to what it made before the oil change. It was talked about as being "final round oil". I ended up using crude 5w20 with half a quart of Lucas. My engine would pick up 9whp adding the Lucas and run the same over and over. I don't know that the Lucas was helping or fixing a problem with the oil I was using. With stock lifters and high spring pressures gains would be had, on a stock engine I don't know what the outcome would be.

Wakes4Fun

It's called advertising.......sounds like a bunch of crap to me.