3.42 was the rear end ratio for stick cars and 3.08 was for the automatic cars with or without A/C. (No A/C allowed in stick cars). All the four speed transmissions were the same internally and were no longer built by Muncie in 73.
You are quite correct- these cars are scary fast. And to think that they accomplished all this with 8.6 to 1 compression!
If there is one version to have of a SD455, it would be a stick car. (Unless you're old like me and need to be refrigerated and have the shifting done for you) :-)
Last edited by njsteve; 06-06-2017 at 05:53 PM.
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06-06-2017, 05:48 PM
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