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Originally Posted by dkl
ShagenWagen, What you're saying is simply NOT possible...even with your funny math!
Your standard 3.0 pumps out 225hp, plus your claimed 7hp from the k&n filter, plus the 10hp of your non-auto. This equates to 242hp (225+7+10). The average 3.0i weights in at about 4652 lb per Edmunds.com. So your power to weight ratio is 19.22 lb/hp.
A standard 4.4 pumps out 282hp (I'm taking a pre-2004 as an example to show how ludicrous your claim is). The average 4.4i weights in at about 4828 lb per autobytel.com. The power to weight ratio works out to be 17.12 lb/hp. Even an all out optioned 4.4i that weights in at 5000 lb still have a power to weight ratio of 17.73 lb/hp. This margin gets even further apart if we sampled a post-2004 315hp 4.4i.
This simple paper calculation just shows how comical your claim is. And when you put other factors into the equation such as torque differences, etc., the gaps widen in favor of the 4.4i.
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my car is below average weightwise, so I would deduct atleast 50 lbs from your Edmunds estimate. I had less than 1/4 tank at the time. That puts me in a 18.7 lbs/hp range. You also do not account for difference in gearing. I will need more time to research difference in ratios and it's effect on acceleration. I do agree with torque curve of V8 and admit that those inches lost were when we first floor it. However that 1-1.5 lb/hp difference was not enough to show that V8 model is visialy (significantly) faster than manual 3.0. That is all I am trying to say here. Just as an observation, back in 90's my friend had a manual SC300 and raced numerous times against auto SC400 with nearly identical results. So, that experience with 3.0 X5 vs 4.4 came as a surprise but did not raise my scepticism to fully discount the possibility.
Cheers,
Andrew
2001 x5 5 spd 230? hp
2002 S4 Avant 6 spd MTM 440 hp
2001 A4 5 spd MTM 230 hp
1997 540i 6 spd 300 hp