AMSOIL has published a voice-over PowerPoint presentation on the reformulation of the AMSOIL XL Synthetic Motor Oil line. Highlights of the topics covered are reasons for the formula upgrade and explanation of the new API SN, ILSAC GF-5 and GM dexos1 specifications.

Reformulated AMSOIL XL Synthetic Motor Oils Presentation

When shops perform an automatic transmission flush, as a matter of routine, many will include aftermarket supplements in the procedure. In fact, I once had an independent shop perform a flush which included the removal the factory-fill ATF and the installation of AMSOIL Synthetic Multi-Vehicle ATF. After the AMSOIL ATF was installed, I stopped the tech as he was about to pour an anti-shudder additive into the transmission. Read more

Some still question whether they are compatible and if this combination causes slippage. But decades of superb performance and happy, repeat customers should put this myth on the dust heap of history. We’ve posted an article on the main site entitled Does Synthetic Motorcycle Oil Cause Wet Clutch Problems?. We explore this question along with Canadian Superbike racer Marcel Irnie and Keith Biro of Biro Racing.

AMSOIL has given the additive package of its “XL” series of engine oils a considerable shot in the arm. The XL 5W-20, 5W-30, 10W-30 and 10W-40 previously had a 12,000KM (7500 mile) or 6 month drain interval. The revamped XL products now have a 16,000KM (10,000 mile) drain interval or even longer as dictated by oil life monitors or owner’s manuals. It also boasts a multitude of new specifications including API SN, ILSAC GF-5 and GM dexos 1™ (for the 5W-30). As an added bonus, the pricing remains the same, so the XL line is an even greater value than before. Read more