4 channel rears have the reluctor rings and sensors on the ends of the axles and 3 channel has it more in the middle of the rear. if it doesnt have either, it wont have any kind of rings/sensors on it. that should help ya!
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01' Z06 62k miles. Vararam, Longtubes, off road xpipe, tuned by me. Times TBA
2001 Corvette, Bolt ons , tuned 10.75@124.56 mph 1.38 60' Sold
1997 Saturn Sc1 5spd DOHC swapped
Bolt ons, decked head, stock intake cam on exhaust side, lotsa weight redux
13.22@102.32 mph 1.93 60'
12's on moda? One day
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