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Originally Posted by gsxr
I've turned mine up a little with no intercooler, but water injection is planned for this month. Click the photo below for acceleration data... note the 0-60 time is a little over 9.0 seconds, which is a solid 1.0-1.5 seconds faster than before I fiddled with the full load screw. Time to 100mph is a good 3-4 seconds quicker. Quarter mile times are approx 16.8 @ 82mph, had been 17.4 @ 79mph or so.
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I can't claim any personal technical achievement, Dave. That is just about equal to what I get in my SDL. 0 - 60 in the 9's, and to 82 in around 17 seconds(it feels even faster, but it's not). This is provided that environmental and road conditions permit.
Mercedes had two TSB out where they adjusted the full load quantity and maximum engine speed. This applied to 603 engines. Around the time of this being issued, my SDL received a new IP. Whatever that means.
Although I have not cracked it open yet(no pyro, and I am more than satisfied with performance from this big car), I think the IP may have been tweaked sometime in the past. Forget that. I know it must have been, because a 3950 lb curb weighted car would not accelerate that well.
Brandon: I am really impressed by that video. Is that 80-90 mph time done without any extenal influencing factors? I mean, 80 - 90 mph in around 3 seconds, is absolutely insane for top gear. Also, I notice the speedometer is that from an '85, but yours is an '81. I know the differential for the '85 = 2.88 vs 3.07. I also noticed that the car shifted(or you) at 75 - 76 mph. Have you raised the maximum engine speed? Or have you switched the differential?
I haven't read the bulk of this thread. Certain things catch my interest once in awhile.