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Old 10-10-2006, 04:59 PM   #1
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Default Estimate my 1/4 time on my Bimmer.

Maybe you guys can help me out since there are alot of modded cars on here. I am gonna give full specs including gear ratios, HP, weight with me in the car and other specs. I'm not looking for a exact time, just a estimate.

Alrighty, the car is stock aside from the Bavarian Autosport chip that raises the HP to 181hp and Torque to 177. Redline is also raised to 6900rpm.

M20 2494cc SOHC belt-driven inline 6, 2 valves/cylinder, cast crankshaft
168 (now 181) hp @ 5800 RPM
164 (now 177) lb-ft torque @ 4300 RPM
Compression ratio: 8.8:1
Bore/stroke: 84x75 mm

5-speed Getrag 260 (manual)
Ratios:1 (1/2/3/4/5/R): 3.83 / 2.20 / 1.40 / 1.00 / 0.81 / 3.71
Final Drive - 3.73:1
Weight distribution, F/R: 53%/47%
Weight with me in the car - 3048 lbs (2811 without)

So any guesstimates?
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Old 10-10-2006, 05:20 PM   #2
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Low 16s.
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Old 10-10-2006, 05:35 PM   #3
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Quote:
Originally Posted by Hans
Low 16s.
Ehh, try way lower. Stock they are 15.7 I believe.
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Old 10-10-2006, 05:37 PM   #4
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Quote:
Originally Posted by Bonneville94V688
Quote:
Originally Posted by Hans
Low 16s.
Ehh, try way lower. Stock they are 15.7 I believe.

It all depends on how good you can drive a stick IMO.


You told me to estimate what your car will do, I did.
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Old 10-10-2006, 05:52 PM   #5
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Im guessing 15.3 if you get used to launching the car. Ill run you in the bonneville.........

Ill be at the track on sunday guess we can compare slips when your done at the track.
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Old 10-10-2006, 05:55 PM   #6
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I'm with Hans...

It'* a 19 year old car. Unless it'* in tip-top running condition, I wouldn't expect to see the 15.7.
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Old 10-10-2006, 05:58 PM   #7
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16.3 how do you know exactly what kind of power you're making?
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Old 10-10-2006, 06:44 PM   #8
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Get a tape measure, friends and a stretch of paved, sparatically used road
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Old 10-10-2006, 08:44 PM   #9
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Quote:
Originally Posted by Cheetah
Get a tape measure, friends and a stretch of paved, sparatically used road
OHBF

Let me launch it to get the best time; you'll probably have a hard time as you are with your stick driving techneques
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Old 10-10-2006, 08:52 PM   #10
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Quote:
Originally Posted by vital49
I'm with Hans...

It'* a 19 year old car. Unless it'* in tip-top running condition, I wouldn't expect to see the 15.7.
x2

I ran my bonnie with a K&N and a flowmaster muffler and still only ran mid 16'*. The car is rated at 16.1 from the factory, but (at the time) it was 12 years old and age isn't a cars friend
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