Featured in this issue:Defending the Duramax® Diesel Against Allison® 1000 Stator WeaknessEasy Repairs for Overheating Honda/Acura ConvertersNew Converter PartsDodge Diesel Performance ShaftsSonnax Website Features

Featured in this issue:How to Recognize & Repair Solenoid Accumulators in Late-Model Valve BodiesEssential 4L60/E Upgrades You Can't MissTransmission Kits Upgraded for Better Coverage4R/5R Zip Kit® Gets an OE Ratio UpgradeGet CASH for Your Solenoid Cores

Featured in this issue:Resolving RFE Stalling & Overheat Issues After Performance TuningAnnouncing the Sonnax Fan StoreGen. 3 6T40 Drop-In Pump RepairsRFE, 48RE & 4L80-E UpgradesTech Team Tip: Drilling GM 6-Speed Pumps

Featured in this issue:4L60-E PWM Modifications4L60-E Friction Material OptionsNew Converter PartsTwo New Exploded Views

Featured in this issue:Performance Converter Kit CatalogTips for Successful 6R140 Impeller Hub InstallationNew Parts Guide & Exploded ViewsFrequently Asked QuestionsSmart-Tech® Overdrive Clutch Housing KitTCRA Seminar

Featured in this issue:A Slippery Slope: The What (and Why) of Woven CarbonNew Converter Parts48RE Converted Valve Body CHR135

Featured in this issue:New RFE Universal Valve Bodies: One SKU Does it All!Must-Have 4R70W Series Upgrades for Work & SportGet Your Racers Ready for Their Best Season EVER!JF016E (RE0F10D), JF017E (RE0F10E) Valve Body ComponentsGenuine OE, Direct Replacement BearingsFull Line of ZF 6-Speed Precision Bushings

Featured in this issue:Introducing the Sonnax Zip Valve™Great New Prices on Sonnax ToolsNew 6-Speed Remanufactured Valve Bodies6R80, 6R100 Zip Kit® & Unit ID GuideNew Bushings, Bearings & Performance Parts for Better Builds

Featured in this issue:Sonnax Voted Tops for Parts & Tools!Outsmarting 4L80-E Overdrive Roller Clutch FailureTwo Simple Parts Help Guard Against 4L60/E Clutch & Shift ConcernsProtect Against 4T60/65-E ComebacksNew Performance Parts & Catalogs

Featured in this issue:Small Changes Make a BIG Difference for GM 6T70/75 Gen. 2 UnitsOutsmart OD Roller Clutch Failure with the Smart-Tech® Overrun Clutch Valve Kit6F35 Zip Kit® for Gen. 1 & 2 UnitsTech Team Shop Talk: Help Us Help You