Re: It's a SS396 post sedan.Are they worth anything?
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Fast67VelleN2O</div><div class="ubbcode-body">
Remember the transmission was still optional. You could order what you want. I wouldn't know about 4.56 and 4.88 ordered vehicles though. I've only ever seen docs with M21 and M22 in front of those. </div></div>
In the Pontiac world, when you ordered 3.90 gears, you got the M21. For lesser gears, you got the M20.
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