Re: 4l60e or 4l80e ecm?

[Len Sabatine <sabatine@epix.net>]

  Mike , appears you've got the bases covered , match parts = Harness, 
controller and power train
 and you're in business. A point to consider = 4L80E weighs in @ minimum 
100+ lbs heavier than a
 4L60E and consumes 20+ Hp more to operate. 4L80 E has input / output 
speed transducers , 4L60E
 has speed output only , gets input speed from engine. Gear ratios = 
4L60[E]  3.06 , 1.62, 1.00, .70
 4lL80E , 2.48 , 1.48 , 1.00 , .78. There's much to consider in the 
combinations vs Engine , Vehicle
 profiles. There are internal wiring differences between the 2 , 
Xmissions. Choose wisely.
  Len

> one i have here is a 16147060, that came w/ the 454 and 4l80e. the one with
> the 4l60e is off a 99 5.7 vortec engine, dont have it here to look at the
> part #.
>
> mike

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