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In Reply to: Re: I don't want to start an argument. . . posted by Michael Fennell on December 10, 2001 at 13:47:40:
That's quite a bit of work for 200hp and it still won't do it, IMHO. The 535 still has more displacement, resulting in more torque at a lower rpm and more area under the curve. It'll get you on corner exits even if the 528 has a (mostly theoretical) advantage mid-corner.
The weight difference between a full tank of gas and a nearly empty one is more than 100lbs. How much of a difference does that make? Do you notice it? I raced a ~2500lb (with driver) spec rx7 for two years and any correllation between lap times with me driving and the 100lb difference a tank of gas made was basically lost in the noise. Maybe it made a difference for the top couple guys but running 1 sec/lap back, I wasn't good enough to notice it.
Mike
I had a long post typed up, but my internet messed up. Let's see if I can remember what all I had. . .
About a month ago, I had to transport my 30 - 50-pound guitar amp from my home to school via small, two-lane roads. I always carry about 30 - 50 pounds of tools and various parts in the trunk when I'm on the highway, too, so that adds up to 100 extra pounds. I DEFINITELY felt the difference between then and when I don't have anything else I'm transporting. A lot of that could have to do with the fact that I only have about 100 RwHP, if that.
But, add 50 RwHP to that, and I think I would still feel 100 pounds. Move the battery to the trunk, and you'll feel like you lost another 100 pounds from the front, which will help cornering even better. 100 pounds might not make a big difference in cornering, but I find it hard to imagine 150 - 200 won't make any difference, especially when I read a post from someone that mentioned he went to a driver's school one time and had a 200-lb instructor. He almost spun the car in every turn.
Many people have done the e-to-i conversion and gotten great results from it. I can only imagine what having a properly-installed turbo can do for the car. The same people that tell me to buy a 535i give me numbers from a cost-benefit analysis when they're asked why they don't just buy an M5. I feel the same way about my 528e! :-) It would just cost too much (in time, pain, and suffering) to sell my 528e and locate a good 535i.
Added to that, every bit of work I do on this car, I learn more and more. I would imagine playing around with the top end of my engine would only increase my knowledge exponentially. Someone e-mailed me the other day and mentioned how we all drive BMWs and how BMWs have great heart. It's too much to sell your BMW. I feel the same way!
It looks like I wrote more of a "why I like my BMW" post than a "this way is better than that way" post.
C'est la vie!
Brad Couvillon
'87 528e
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