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What is the difference in bore / stroke between tha 6.1 and hellcat 6.2?
the SRT Hellcat 6.2 is based off the 392 engine (VVT) not the 6.1 that was in production '05 - '10

the 392 / 6.4 has the 103.9mm bore / 94.6mm stroke vs. the shortened stroke of the SRT 6.2 of 90.9

and the 392 was developed from the "Eagle" 5.7 that has been in production since '09 (VVT)
 
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