Originally Posted by C_Plunkett
The eighth digit of the VIN is the engine code. Non SRT6's have an L. SRT6's have an N.
Actually,
You can break it down further than that. If you have the whole vin, the 6th and 7th together will tell you SRT or not, and coupe vs convert. SRT converts are 75, coupes are 79, non SRT converts are 65, and coupes are 69 IIRC.
Danno