Stealth, Action PLus, or Performer RPM?
Joined: Mar 2000
Posts: 43,187
Likes: 43
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
2104 Performer (regular, not RPM, non-EGR) and 3706 (same as 2104 except w/EGR) are the only ones I know of with the '87-up bolt pattern.
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