[Sleepy.300c]

What would happen if I took a 2016 charger Scat diff and put it on a 2009-10 Chrysler 300 hemi

 

[Greg N]

What would happen if I took a 2016 charger Scat diff and put it on a 2009-10 Chrysler 300 hemi

I think from reading other people's stuff that you also need axles and hubs. And that you would get a more better gear ratio that would give you better performance.

I just swapped an undersized weenie v6 car rear end into my 05 300c and I haven't broken it yet, but I might break it if I were to hot rod or hoon the car around. But I have been very pleased with the results. It's a much lower than factory ratio so I run a lot higher rpm but not so much so that the car seems to hate it, and it's given it a LOT of pep.

 

[moms car]

After the swap did the transmission shift harder or in any way different than with the stock diff and what ratio did you go with.

 

[Greg N]

After the swap did the transmission shift harder or in any way different than with the stock diff and what ratio did you go with.

I went with the 3.90 was cheapest at the time but I saw one of the 3.64 or whatever brand new for $150.00 on a later search. Car seems to love it. It's like a whole different car now. Super responsive by comparison to the original gear. Runs a lot of rpm on the highway though. 2800-2900 to go 70mph. Our cars overdrive is not very high, but they do have one, so it's all good compared to a real old school car.

 

[Kenneth16johnson]

I went with the 3.90 was cheapest at the time but I saw one of the 3.64 or whatever brand new for $150.00 on a later search. Car seems to love it. It's like a whole different car now. Super responsive by comparison to the original gear. Runs a lot of rpm on the highway though. 2800-2900 to go 70mph. Our cars overdrive is not very high, but they do have one, so it's all good compared to a real old school car.

What all did have to get to do the swap?

 

[Greg N]

What all did have to get to do the swap?

In the long run I had to buy v6 style axle shafts to keep the axle seals from dripping. But other than that, you just pull the pinion flange from the V8 rear and put it on the V6 rear. That requires a specialty tool, but there are guides for that on the net. The V6 axles mate just fine into V8 wheel hubs.

I forgot the V6 rear mounts a little different, but the V8 cars will also accept the other mounts, just have to get bushings and hardware.

 

[WYO300c]

do you happen to have a list of everything you needed for the swap. I have an 07 C, recently purchased a 3.64 rear diff and am getting ready to swap it out. thank you in advance

 

[Jim910]

Don't forget, you will need to reflash the PCM to the new gear ratio. Otherwise the car will go into limp mode. Diablo Sport tuners will do this.