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The lucas isn't within grade on the viscosity chart and the RP is not within grade on the shear chart!

http://store.nexternal.com/shared/StoreF...urce=googlebase Does anyone have test results on this oil?

http://ew5dev.earlweb.com/ew5dev/site/recommendations.php?site=61&vehicle=2316 This is the 240hp 3.2L 6 cylinder which is common performance today from many manufacturers. Notice that 5w20 is not recommended over 32 degrees and 5-10w30 is not recommended over 50 degrees. Even the 10w40 is not...

http://www.rocketcitymustang.com/articles/2007gt500.ownerssupp.pdf

This is my forever car. The EG33 Boxer 6 was rated at 230hp and 155mph from the factory and is used in $45k engines for small aircraft and 1000hp sleeved sand cars.

http://mazdaforum.com/forum/showthread.php?t=9215 This is what happens to synthetic 30wt oil in a new Mazda.

My top 10 are: 1. Redline 0w40 2. Mobil 1 European Car Formula 0w40 3. Castrol Syntec Specially Formulated 5w40 4. Mobil 1 5w50 5. Valvoline Synpower 5w40 6. Royal Purple 0w40 7. Castrol Syntec 5w50 8. Royal Purple 5w40 9. Pennzoil Platinum/Quaker State European Formula 5w40 10. Amsoil European...

If anyone is interested in the product data sheets for the exotic Shell Helix Ultra oils, here they are: http://www.epc.shell.com/Docs/GPCDOC_X_cbe_24855_key_140003190775_200906010236.pdf http://www.epc.shell.com/Docs/GPCDOC_GTDS_New_GTDS_Helix_Ultra_Racing_10W-60.pdf

I can't find the thread a member was having a problem with the Shell Data sheets to post this in. If anyone is interested in the 5w40 European Formula here they are: http://www.epc.shell.com/Docs/GPCDOC_X_cbe_24855_key_140002095922_FEB.pdf...

So far the highest Viscosity Indexes I have been able to find are: 1. 197-Redline 0w40 2. 186-Mobil 1 0w40 European Car Formula 3. 184-Mobil 1 5w50 4. 182-Royal Purple 0w40 I can't seem to find the viscosity index from Pennzoil/Quaker State/Shell or Castrol. Royal Purple doesn't release data...

I found a race shop that sells a Motul motor flush for $30. This one is added to hot oil and run for 15 minutes and apparently repeated treatments can be done until the oil drains clean! http://www.pdm-racing.com/products/motuloil.html

Does anyone use the (AEF) before an oil change?

This is an amazing list of specific brands and viscosity's that includes a current outdoor temperature range for all viscosity's. Notice that 30 weight oils are not recommended for AMG engines. Also note that oil additives are expressly prohibited but a gasoline additive is actual recommended on...

I was looking through the current 229.3 Mercedes Benz list of approved oils and found an exception. Apparently this is the first 10w40 to be approved! http://www.motul-oil.co.uk/pdfs/technosynthese-engine-oil/6100_Synergie+_10W40_TDS_%28GB%29.pdf

Okay, I've been spending some OCD time online and on the phone and I can't quite get a straight answer to my question about how a Royal Purple 0w40 and a single SAE 40 functions at a given temperature. So far I have been told that when the outdoor temperature is over 60 degrees and the 0w40 is...

Okay, I've been spending some OCD time online and on the phone and I can't quite get a straight answer to my question about how a Royal Purple 0w40 and a single SAE 40 functions at a given temperature. So far I have been told that when the outdoor temperature is over 60 degrees and the 0w40 is...

Don't believe all the awards for VW 2.0T Turbo 4. The car has 28k miles and already has used 2 quarts of oil since the last oil change, that's more than my 1992 Subaru SVX 3.3L H6 with 176,000 miles. I have read the oil consumption rate of these turbo engines is normal, but I just don't find...

Notice the 5w20 widely used is not recommended for over 15 degrees!