Bowtie Boy

I am currently thinking of either waiting till my 4L60E ***** the bed which may not be for a while or swap over to a TH350 (instead of wasting $ on stalling a 4L60E then swapping trans down the road) anyways...

If set up for optimum performance is there a "better then the rest" trans which provides the least powerloss through power transfer. I would think for starters the lighter the trans the less rotating mass=less lost power. that is one reason why I am going with the TH350.

This would be for the "average" drag/street car nothing that would need to see a 2 speed.

meine96ws6

iTrader: (4)

I have seen 4l60e in some really fast cars..

jmd

iTrader: (4)

TH200 if you want to refresh regularly.

I sense that you don't.

The TH350 isn't that much of a gain in powerloss over the 4L60.

Colonel

If built right (the aftermarket has plenty of neat stuff for the 350), the TH350 can be more efficient than the 4L-60E but otherwise they are about the same, in my experience based on trap speeds.

A Powerglide can be built to be *extremely* efficient and work very well at the track in the right comb (lot's of power in a light car.)

72blownvert

If this is just an average car stay with your 60e there is no reason to change.If you build it right it should give you years of good service.If this was a pure drag car i would start to look at power loss,but in your application you would never see a difference anyway.