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So I guess we can conclude from this that the 26" radiator used in axle packages is not always the max cooling unit. I also looked in Galen's parts book and, sure enough, the 055 was used in 440 powered 4-speed b-bodys "less max cooling". The only other application was for a/c cars. I guess max cooling and axle packages don't go hand-in-hand in this instance. Still, one has to wonder why...... life is a mystery....

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It all makes perfect sense to me except if the 8 3/4 cars with 3.55's got the 054....that's odd. I suppose the rationalization is that 3.55 is an optional axle package gear on the 383 cars (standard is 3.23) where the 3.54 is the "standard" gear with the 440-4spd.... Doesn't make any sense from an engineering perspective, but it does have some twisted logic from a sales perspective.



Dave