how long would a stock 4l60e last with a 408 behind it
03-07-2008, 06:28 PM
#22
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I think it will last a while. with shift kit and servo's mine survived 1 1/2 years with boost and that was probably making more power than a N/A 408
03-10-2008, 05:40 AM
#23
I've had my 6.0 cammed and Radix'd for over 6 months now on my original never-rebuilt 4L60E w/ 175k miles on it. However, I tore up my ring gear last night. The trick is to put a fat plate-and-fin type cooler, a servo kit, and regular fluid changes.
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