bufmatmuslepants

iTrader: (3)

Easiest way to bump compression is thinner head gaskets. What cam are you running? What crank are you using, forged or cast? Looks like you fell for a typical catalog build. What is your head gasket thickness now? Give us a full list of parts well see if we can help salvage this.

BTC

I believe Royal Purple is known to shear pretty badly. If I were going to use it, I would probably change it pretty often.

German Castrol has tested well in the LT1 engine, but when you start building them I guess things could change.

96capricemgr

iTrader: (1)

BLEACH does well in that test, I wont be filling the crankcase with it any time soon.

RamAir95TA

iTrader: (2)

Nothing wrong with Royal Purple. Hell, we use it in solids-handling bearing cases in $30,000 Cornell food pumps.

Ed Wright

iTrader: (1)

Shear pretty badly according to who??

Ed Wright

iTrader: (1)

Shear pretty badly according to who?? Read that on the Internet?

RJDio

I don't understand how bleach factors in, not sure what you mean.

Camaro350Z28

iTrader: (6)

im guessing he meant they added bleach in the commercial which is why it started to smoke

97z28K&N

He is saying that jut because something passes that viscosity test or does better than conventional oil, does not mean you should put it in your engine. Bleach passes the test better than conventional oil but he's saying he wouldn't put that in his engine (considering that it would destroy it).

speed_demon24

iTrader: (6)

By people who have their oil tested instead of spouting off what's the best oil with 0 facts to back up their claims.

RJDio

What is up with Cerma? I was looking for the old infomercial and saw some good youtube comparisons of major synthetics vs. Cerma additive included. I gotta say; dang! I'm gonna research it and maybe throw in a quart. Have to look into it!

Evil Opti

Yeah fram is good for daily driver street cars with regular changes of under 3000 miles. Fram is fine if you change them pretty often but more often then not the fram filters break down earlier then a Wix or a M1 filter. Hardcore built LTx’s would never see a fram. A better filter is crucial.

As far as people bashing royal purple, there is nothing wrong with RP. Its pricey but its good oil. Also they have nice filters.

RJDio

well it seems Cerma isn't cheap! Its an additive, and advertised as a one time use!?! Really?!? I mean if it's a bullet to bite once...Anyone have any experience with this or is it snake oil?

Evil Opti

John D Rockefeller was snake oil. lol Cool test though. What are those bars made of?

Camaro350Z28

iTrader: (6)

ive always ran EVOO and ive only had to rebuild every 1000 seconds ran. Works well for me

Ed Wright

iTrader: (1)

I defer to professional race engine builders and professional racers I deal with, not Internet "experts".
Thanks.

Ed Wright

iTrader: (1)

Have to wonder, you some of you guys consider an infomercial like this a "fact"?

There is another racing oil that used to have a trailer at NHRA races, and had a demo like that. Their oil passed, almost no others passed with as much load as theirs.
Closest test my engine has to that is upper pushrod *****. Mine burned ends off the intake pushrods with that crap. Still have a couple of qts in my trailer. Not sure why.
Royal Purple stopped that. Even the very thin "Race9", which is too thin to run all the time. 1000 lbs open spring pressure, so that is like 1800 psi on the ends of the intake pushrods? Doesn't appear to shear there. It didn't pass that loaded ball test in that video. Evidently it's not comparable to what is going on in your engine.
If you want to base your choices on silly demos like this video, instead of real world results people are getting testing with real highly stressed engine, that is your privilege. Slamming a companies product over useless demos like this shows a lack of character.

RedHotG8

iTrader: (1)

An oil analysis is a professional oil test by a certified lab and can tell you more about your oil than Joe the engine builder, so speed demon does know what he's talking about.

Ed Wright

iTrader: (1)

Yeah, I know what that is. I'm not talking about joeblow trying to build engines down the street.

Today I was testing at the Tulsa track, several (8 or 9) Pro Stockers had rented it for testing, getting ready for the Kansas Nationals at Topeka this weekend. Started raining after I got in only three passes, but I did get to visit with some of the guys I usually talk to. One is Mike Edwards, friend for over thirty years, and presently the NHRA Pro Stock national record holder, points leader, and appears to be making more power than the rest evident by his normally higher MPH.
Mike is the one that got me to change to Royal Purple when I was buring the ends off push rods. His engine guys have tested several oils, and have had analysis done. I asked about this again today, over some posts on this thread. I asked if he was still using Royal Purple, his guy (Alan) said "absolutely". They have had other oils tested, and some look better according the the guy in the lab's opinion. Many that "tested better" hurt push rods and lifters like what I used before, but did not perform like Royal Purple. He said his stuff last better, stays nicer with "Royal Purple, so he has kept going back to it. Saw their decals on a couple others there today too. The engine builders from ANY of those cars today knows much more about this than anybody on this message board. Those are the most powerful V8 two valve engines in drag racing. 500 cubic inches turning over 10,000 RPM, with over an inch of valve lift with valve springs that make my 1000 lbs open pressure look scrawny. That is harder on oil than anything you guys are doing.

VAformula

iTrader: (8)

I second Castrol, my first lt1 engine had it for 160k miles and it never let me down. No expert opinions or anything, just personal experience.