Here is a claim from Royal Purple.
"For instance, Royal PurpleĀ® Motor Oil typically improves horsepower and torque up to 3%" end quote.

So if close to 300 hp you can gain almost 10 ponies from changing from conventional mineral based oil???

Racing 11 is a light viscosity motor oil formulated to withstand exotic fuels such as alcohol, methanol and nitrous oxide (NO2). Excellent for drag racing. Viscosity typical of a 5W20 oil.
or they have synthetic Multi-Grade Oil: 5W20.

Racing 11, could it be used mainly for the street?
Anyone using this or you think Mobil 0W20 is just as good?

Thanks.

 

I used Royal Purple in my old car and I didn't get any dyno numbers to show any type of gains. I imagine that compared to Mobil 1, it would be quite similiar.

 

There is no doubt it works? 11rwhp I doubt it. I would say 3ish maybe 5 race weight. You have to weigh out the $ vs hp gained.

 

I personally use Motul, we noticed a significant drop in oil temp switching from Mobil1 on our race "R"

 

Can someone feel 3 hp? Do you think that Mobil would do the same?

 

I doubt you will feel anything.

I use Mobil1 0w20 the stuff pours like water. I have to wonder how well it protects the engine. It says right on the bottle for Ford and Honda engines requiring 5W20 oil.

The only reason I switched was due to the better flow at low temperatures.
Otherwise for street use I see no real reason to use synthetic.

If you do frequent oil changes it can get costly.

Cheers

 

Personally I don't like the idea of a 0w oil, I always 5w30 or 10w30. I've also tried the synthetics and for the money I'd rather just change my normal oil more often (it's still cheaper that way). I use whatever is on sale, don' t find much of a diff between oils. I do get the Ford oil filter though....

 

I found this to be rather interesting ive had it bookmarked for awhile now and since this topic came out it might be useful to some!

well at least i hope.


More Than You Ever Wanted to Know About Motor Oil

 

Hotrod magazine did a test a couple years back in a 350/350 combo car and dynoed it then switched to synthetic in the engine, trans, and rear diff. Then they tried to replicate the dyno conditions the best they could and ended up picking up about 10 hp and 10 ft/lbs of torque. I've learned some things about synthetic oil and its properties and do find it worthwhile to use even at a higher cost.

 

The owner of a dyno shop in Calgary posted his real world, non funded findings about synthetic versus conventional oil, he used mobil 1 synthetic and I can't remember which conventional. When the oil wasn't up to temperature (dead cold), the synthetic had something like a 10 hp edge. When at operating temperature, there was zero difference anywhere on the board.

I find that motors usually go from getting something too hot, water got in,or a component actually failed, doesn't matter what you have for oil by then. I used to use synthetic but I really don't think that it's worth it, especially for a 302 or any engine with an oiling system designed to work with 10W30 or even 10W40 oil. I'm not looking to hit 1 million miles without tearing down the motor on my hot rod. Bearings and rings will cost less to replace every 5 years than using synthetic oil at every oil change anyways.