PRI 2011: Strange Introduces Street/Strip Aluminum Center Section

There has been a longing for an aluminum center section that can hold up to the rigors of street driving.  Typically slight deflection of the aluminum near the end caps can cause the ring gear to inconsistently wear with the pinion.  Strange Engineering has listened to the cries and has released a center section with thru-studs, meaning there are no bolt heads on the end caps and only on the differential’s front face.

Additionally, Strange has added more webbing to the front of the case to increase rigidity, resulting in the construction of a brand new pinion support to accommodate this new design. The oil scavenging channel effectively lubricates the pinion bearings for the most demanding street applications.  An integral pinion support drain and lubrication channel further improves oil circulation.

The Strange HD aluminum case is made from 206-T4 heat treated aluminum that has a 12% higher yield strength and 32% higher tensile strength when compared to commonly used 356-T6

• 7/16″ diameter ARP bolts made from superior 8740 steel – far superior to grade 8 bolts/studs
• Large ribbed billet aluminum main caps
• Large tail bearing and retaining plate
• Available in 3.0625″, 3.250″, and 3.812″ bores

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About the author

Mark Gearhart

In 1995 Mark started photographing drag races at his once local track, Bradenton Motorsports Park. He became hooked and shot virtually every series at the track until 2007 until he moved to California and began working as a writer for Power Automedia. He was the founding editor for its first online magazines, and transitioned into the role of editorial director role in 2014. Retiring from the company in 2016, Mark continues to expand his career as a car builder, automotive enthusiast, and freelance journalist to provide featured content and technical expertise.
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