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Originally Posted by mach4
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[1] can/should I run the 722.4 torque convertor (which I believe is a higher stall speed one) or the 722.3
[2] can/should I keep the vacuum transducer setup from 722.4 with the 722.3 or eliminate that
Anything else that I should consider or am missing in thinking through a solution?
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The 722.4 torque converter is physically smaller than the 722.3. Plus the it will not fit the input shaft of the 722.3 trans. So you cannot swap them.
The only issue I would consider is since you are running a 2.47 rear ratio, the benefit of having a higher stall converter helps in stand still acceleration. So sourcing an '85 Federal torque converter maybe a wise move.
I would keep the transducer setup and try it on the trans, that is if it's working properly originally. It might respond very well with some modulator adjustments. You will never know unless you try it.
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