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Old 01-31-2021, 09:56 PM
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steve25 steve25 is online now
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Join Date: May 2008
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I really don’t know about that 455 4.33 rear gear deal for a option. as the factory would then be selling a car who’s motor would be guaranteed to blow up in no time flat!!!

If such a thing was done at all then the gears would have been swapped in after the car was sold to the customer by the dealership and then install by the selling dealership.

That 4.33 rear gear deal however was a option in the 389 and 400 ram air models up to 1970, in fact in A body and F body cars ordered with the RAII through RA4 motors 3.90 gears where mandatory with the 4.33 gears being optional.
Also the RA4 motors could not be had with AC due to the fact of how high these motors where always spinning!

I mean gez! Full on race cars with 455 motors running under the 10 second range rarely run over 4.11 gears , so I can’t imagine a need for such in a pure street motor that is fully out of steam at 5500 rpm!

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Last edited by steve25; 01-31-2021 at 10:11 PM.