Strengthening The Rearend From An LS1 Firebird Formula - Maximum-Effort Fourth-Gen10-Bolt
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Before beginning the build, a suitable fully loaded rearend from a '98-'02 Pontiac F-body was sourced from a local junkyard for $300. Although it isn't pretty, it's the correct housing for the '00 Formula that is set up for the three-channel (ABS) versus four-channel (ABS and traction control) sensors. To tell if the rearend is a three- or four-channel, check for an electrical connector in the top/center of the differential housing; if so, it's a three-channel. Jason Bailey of Texas Drivetrain Performance set the rear up on jackstands and placed a drain pan under the rear differential cover. View Related Article
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