If you look in the manual (at least for the CL9), it's the recommended thickness. Of course, it'll take thicker oils, which the service centre will use anyway because their cheaper but nothing wrong with 5w-30.
Group V (5) based synthetics are usually not compatible with petroleum or petroleum fuels and have poor seal swell. These are used for air compressors, hydraulics, etc. It's the Group IV (4) PAO based synthetics that make the best motor oils. They are compatible with petroleum based oils and fuels plus they have better seal swell than petroleum. Typically PAO based motor oils use no Viscosity Additives yet pass the multi-grade viscosity requirements as a straight weight! This makes them ideal under a greater temperature range. One advantage of not having to employ Viscosity Improving additives is having a more pure undiluted lubricant that can be loaded with more longevity and performance additives to keep the oil cleaner longer with better mileage/horsepower.
Group V (5) based synthetics are usually not compatible with petroleum or petroleum fuels and have poor seal swell. These are used for air compressors, hydraulics, etc. It's the Group IV (4) PAO based synthetics that make the best motor oils. They are compatible with petroleum based oils and fuels plus they have better seal swell than petroleum. Typically PAO based motor oils use no Viscosity Additives yet pass the multi-grade viscosity requirements as a straight weight! This makes them ideal under a greater temperature range. One advantage of not having to employ Viscosity Improving additives is having a more pure undiluted lubricant that can be loaded with more longevity and performance additives to keep the oil cleaner longer with better mileage/horsepower.
Isn't Redline a Group V oil?
yes the redline should be a group V oil. as for its compatibility with our cars id be willing to listen to anyone else who has had experiences.
By itself, that may well be the case. However, just because the oil use Group 5 basestocks doesn't mean it won't have additives and other basestock to provide the desired performance characteristics. This oil has been used in the u.s. market for many years with great results. You only need to have a look at forums such as http://www.bobistheoilguy.com to gauge its performance.
This Redline oil far exceeds what we need on a day-to-day basis. The stock honda euro engine is unlikely to stress the oil, especially with the recommended oil drain intervals. Unless your engine is super funky (supercharged, turbo charged, super cams, etc) this oil will be perfectly suitable.
Group V (5) based synthetics are usually not compatible with petroleum or petroleum fuels and have poor seal swell. These are used for air compressors, hydraulics, etc. It's the Group IV (4) PAO based synthetics that make the best motor oils. They are compatible with petroleum based oils and fuels plus they have better seal swell than petroleum. Typically PAO based motor oils use no Viscosity Additives yet pass the multi-grade viscosity requirements as a straight weight! This makes them ideal under a greater temperature range. One advantage of not having to employ Viscosity Improving additives is having a more pure undiluted lubricant that can be loaded with more longevity and performance additives to keep the oil cleaner longer with better mileage/horsepower.
Isn't Redline a Group V oil?
That statement is misleading. Group 5 means any fluid that not group 1/2/3/4 as such... It could be *anything* so it's a pretty big stretch to say that ALL group 5 causes burns/leaks an shit.
Originally Posted by sensei_
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