426 to replace 392 for SRT - Page 9 - Dodge Challenger Forum: Challenger & SRT8 Forums
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post #81 of 82 (permalink) Old 10-25-2018, 06:57 AM
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Hellephant engine???

2014 R/T M6 - Granite Crystal
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post #82 of 82 (permalink) Old 10-25-2018, 07:50 AM
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I like the idea of bringing back the 426. It's continuing the nostalgia FCA is going for with these cars.

I'm curious as to how they will reach the 426 number. If they go with a larger bore and shorter stroke they will increase the torque (more displacement shorter stroke yields more torque). That could give it a real advantage over the 392.

That leads to my thought on the 5.7. It is really teetering on the edge of going out when it comes to performance. The only main advantage of the 5.7 over the Pentastar is the torque which is about 148 more over the V6. That much torque makes a quite a difference which I think would be the main point of keeping the 5.7.

They could replace the 5.7 with a supercharged V6 but then there is the added expense and still a stretch to match the torque of the 5.7. Either way the 5.7 is really running in the average range of most modern V6 engines. So it will be interesting to see where it ends up in the future
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