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46re, 47re, A518, 727

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Old Dec 11, 2020 | 05:33 PM
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I always wondered how come the 2nd gens(V8, V10, Cummins) use different Automatic transmissions in them? The V10s do use the same as the Cummins right? Why don't the V8s use the same? Since the 1st gens used the same ones in the Cummins and V8 excluding the v10 of course since it wasn't made yet it doesn't make sense to me. Sounds like Chrysler just wanted to make things more complicated for themselves and there customers.
 
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Old Dec 11, 2020 | 05:58 PM
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Originally Posted by BM9NBA2
I always wondered how come the 2nd gens(V8, V10, Cummins) use different Automatic transmissions in them? The V10s do use the same as the Cummins right? Why don't the V8s use the same? Since the 1st gens used the same ones in the Cummins and V8 excluding the v10 of course since it wasn't made yet it doesn't make sense to me. Sounds like Chrysler just wanted to make things more complicated for themselves and there customers.
Different bolt patterns
 
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Old Dec 11, 2020 | 06:05 PM
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Originally Posted by MoparFanatic21
Different bolt patterns
Couldn't they have just used an adapter from the factory so that they all had the same transmission in them from the start.
 
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Old Dec 11, 2020 | 06:41 PM
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Originally Posted by BM9NBA2
Couldn't they have just used an adapter from the factory so that they all had the same transmission in them from the start.
Could have but that would be more expensive for Chrysler then just making 3 different transmissions
 
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Old Dec 11, 2020 | 06:42 PM
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Originally Posted by MoparFanatic21
Could have but that would be more expensive for Chrysler then just making 3 different transmissions
Really? It'd be more expensive? Thats surprising
 
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Old Dec 11, 2020 | 07:52 PM
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Originally Posted by BM9NBA2
Really? It'd be more expensive? Thats surprising
Yep different driveshaft lengths, the adapters, and a bunch of other little things
 
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Old Dec 11, 2020 | 09:18 PM
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The cases are all pretty much the same internally. Just the bolt pattern, and the 47 and 48's are a bit more beefy. Rumor has it, the internals from a 48, will actually fit in a 46 case, and you have a pretty much bulletproof trans behind your V-8.
 
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Old Dec 11, 2020 | 09:24 PM
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Originally Posted by MoparFanatic21
Yep different driveshaft lengths, the adapters, and a bunch of other little things
The penny-pinching of car manufacturers eludes me. I guess the accountants who have never worked outside an office outnumber the practical people My truck didn't have the factory tow package so the wiring from the cab to the back was missing the wires for constant 12V and the trailer brake. So now they saved maybe 10 cents but have another part number to inventory and track at the assembly line. Granted I worked in a completely different business but it did cost millions to stock parts centers around the world with a new item.
 
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Old Dec 12, 2020 | 01:21 AM
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Originally Posted by DerTruck
The penny-pinching of car manufacturers eludes me. I guess the accountants who have never worked outside an office outnumber the practical people My truck didn't have the factory tow package so the wiring from the cab to the back was missing the wires for constant 12V and the trailer brake. So now they saved maybe 10 cents but have another part number to inventory and track at the assembly line. Granted I worked in a completely different business but it did cost millions to stock parts centers around the world with a new item.
When I worked at the dealer Mopar stored everything at the assembly plants and shipped from there. So no warehouses but yes they never make sense
 
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Old Dec 12, 2020 | 07:49 AM
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The penny-pinching of car manufacturers eludes me
Back in the late 80's they stopped using the long oil filters(fram PH8A) and started using ones half the size. When the first overdrive transmissions where available it was an option only. They cost more!
 
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