All of those say I need a stall coverter how come.
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The Butt Kicker does not state that it needs a higher-stall converter. The Asp-Kicker does, and it's probably because it may need a higher idle RPM due to the rougher idle. With a stock converter, the truck may tend to creep at idle. A looser converter would absorb the creep. From a performance standpoint, a stock converter would work OK with either cam.
Can you explain creep do you mean actually like move forward? I like the specs of these cams has anyone run these
Ok...the converter allows the motor to turn and to keep the vehicle to stay at a standstill at idle when the brakes are applied. The way the fins or vanes are designed within the converter allows how much "play" or absorption of drive that the motor is applying to the tranny to move the vehicle. With the uneven idle of the cam, the truck may surge lightly as it idles...and the looser converter will help out to even that surge, or creep.
Thanks sorry guys new to this I always worked on Hondas. So you know
IMO, bone stock 4.8's need higher stall converters.