The trans is a TH700R4.
This might be a bone-headed question, but:
The bottom is packed with snow and ice. Are there are linkages that could be getting blocked and keeping it from going into reverse?
.....or is the transmission self contained and nothing outside of it can cause this problem.
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68 Camaro (?350 SB)
69 Camaro (L72 427 BB)
69 Camaro (DZ 302 SB - www.z28.net)
Camaro - A friendly flying car – from the French - the first half "camarade/friend" and the last half “aero/of the air".
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