Archive for January, 2011


Circle D Transmission: 6L80E article in GM High-Tech Magazine

January 20th, 2011 by admin

We’ve made some progress with the 6L80E – Click this link to read the article in the March 2011 issue of GM High-Tech Magazine http://www.gmhightechperformance.com/tech/transmission/1103gmhtp_circle_d_6l80e_transmission_upgrades/index.html

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