How Much Horsepower Does A 5.7 Hemi Charger Have. How much HP can a stock 57 Hemi handle. Now if you are looking to spend money you can equip your 57 Hemi with a supercharger or Hemi 57 turbochargers.
Equipped with the 273 cam the 57L Hemi produced 449 hp coming at 6100 rpm and 443 lb-ft of torque at 4500 rpm. If you talk to anyone that owns a vehicle with a 57 Hemi engine they will likely have very few if any bad things to say about it. Thats approx 25-30 HP gain at the crank from stock.
It pushes out an incredible 395 horsepower and a whopping 410 lb-ft of torque.
As for the 61 pistons being weaker than the 57. I did a dyno test and Custom Dyno tune on my 2009 RT Challenger with the 57 and with all my upgrades and the custom tune we are at 343 RWHP 386 lbs torque and 405-410 HP at the Crank shaft. The Challenger RT classic has. With the 5-speed automatic the V8 produces 372 horsepower and 400 pounds-feet torque.
