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I don't think there's a problem with the motor itself. I will check the compression but I think it's likely a gear, torque converter or tuning issue. The motor is very strong. I guess I just expected too much. I had a 2007 SRT charger and eventually felt it wasn't enough power if that gives some insight. I think my expectations might be too high. I want to be able to roast the tires at will and still have good highway manners. I'm a bit OCD....




Did you expect this 340 motor in your 73 Challenger with 3.23 gear to be faster than that 2007 SRT Charger?

A 2007 SRT Charger is not a slouch. I belive that is a 0-60 in just under 5 seconds and low 13's 1/4 mile car. I don't believe your combo is going to get that.

IMHO, stoker are great for drivablility with power/tq. I wonder how many stock stroke Scat rotating assemblies they sell.