Quote:
Originally Posted by DGthe3
If thats the end of the thread, you probably shouldn't follow it with a request for someone to post something 
6th gen V6
~3450 lb/335 hp = 10.3 lb/hp
5th Gen SS
~3900 lb / 413* hp = 9.4 hp/hp
*splitting the difference between the LS3 & L99
The new V6 has about a 10% worse power to weight ratio than the old SS. Thats a pretty big difference.
I didn't have time to post this before, but the only time I've seen the numbers that the OP quoted for the V6 is Chevy's press release for the car. The cars that the magazines have tested tend to be slower by a couple tenths. Meanwhile, I don't recall ever seeing 4.7 & 13.3 for the 5th gen SS. I believe the original press release quoted a 0-60 in 4.4 & 1/4 in 13 flat. Most magazine tests had about a 4.6 run to 60 as I remember with the 1/4 being either 12.9 or 13.0.
So, comparing apples to apples its more like a 0.8 second gap (instead of 0.2).
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I agree that the 5th gen SS is clearly faster, and has a big torque advantage despite the weight.
That said, I've been saying for some time now that I think a lightly modified 6th gen V6 could give a stock 5th gen SS fits....especially the L99 models...not as much the LS3 models.
5th gen L99 horse power to weight: 9.75hp/lb
6th gen V6 horse power to weight: 10.3 hp/lb
Next: 6th gen V6 with just 20hp added with mods: 9.72 hp/lb
yes, I know once you start comparing modified with stock it all goes out the window, but my example above shows you really just how close a 6th gen automatic is in weight/hp ratio to a stock 5th gen SS automatic. But the 5th gen SS still has the off the line torque advantage.