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Old 12-28-2003, 03:15 PM   #11
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What is the gearing of your 4th gear to make it run that slow. I would think with the 3.71 gearing (or whatever it is) that you have, it would be running quicker than 4500rpms at 140mph. By my calculations (which are probably wrong) our SSEi or GTP, with 2.93 gearing, would be running 3950rpms at 140mph. Unless your overdrive is like .50:1 or something, that 4500rpms seems kinda low. Just wondering if you knew what the gearing is.

Shawn
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Old 12-28-2003, 03:17 PM   #12
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Quote:
Originally Posted by Jim W
You'd be suprised Steve, its relevately low RPM, going that fast I found was not hard on the car at all....

Your limiter on your moms Max is 145 right?
I don't know. I never knew what it was. I just know the dash says 160mph. Now me trying to do 160mph is just impossible. State boys out at night, traffic in the day. I have to go to the track.
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Old 12-28-2003, 03:47 PM   #13
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Shawn here are some stats

Quote:
Power Train

Engine Type - 32-Valve DOHC 90-Degree V8
Displacement - 3,995 cc (244 cu in)
Bore x Stroke - 87x84 mm (3,425 x 3.31 in)
Compression - Ratio 10.3:1
Horsepower - 250 @ 5,600 rpm
Torque - 260 lb-ft @ 4,400 rpm
Transmission - 4-speed, FWD, electronically controlled automatic overdrive with torque converter
Gear Ratio - 1st- 2.960; 2nd- 1.626; 3rd- 1.000; 4th- 0.681; Reverse- 2.130

Performance Data

Acceleration (0-60 mph): 8.2 sec.
Braking Distance (60-0 mph): 122 ft.
Roadholding Index: 0.81
Base Number of Cylinders: 8
Base Engine Size: 4 liters
Horsepower: 250 hp @ 5600 rpm
Torque: 260 lbs./ft. @ 4400 rpm
I was not over 4500 RPM at 135-140 mph, that I know for sure, the only problem is...I am not 100% sure that applies to the Autobahn package...either way the OD gearing ratio is LOW....

I'll try to find the Autobahn Gearing stats
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Old 12-28-2003, 03:50 PM   #14
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these friggin aurora threads thats some great 60-0 braking though!!
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Old 12-28-2003, 03:51 PM   #15
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Its nice to get a break from Bonneville this and Bonneville that every once in a while...I'm waiting for a GXP owner so we can talk Northstars...

You know you love it :P
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Old 12-28-2003, 03:55 PM   #16
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rora post whoring > me
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Old 12-28-2003, 05:45 PM   #17
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I've found the biggest factor for high-speed stability on my SSEi is the quality of the tires. Nice trail of fire, Jimbo
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Old 12-28-2003, 05:46 PM   #18
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I gotta show some love to those Aurora'*, I can talk northstar, but no one else. I'm also waiting to hear from our first GXP owner

It'* tough for me to get to those high speeds, I tied in the ssei the other night, only got to 118 or so before 2am Chicago traffic made me step on the breaks.
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Old 12-28-2003, 07:17 PM   #19
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Ah the slow'rora strikes again. Silly cammers....

It'* a good thing Jim doesn't have Real problems in his life....
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Old 12-28-2003, 08:30 PM   #20
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Nice going Jimbo...... welcome to the 200kph+ Club

I've taken both my 91SSE and my 97SSEi over 200kph, but only on very special (picture perfect) occasions.

Bill'* right though, anyone attempting that type of speed should have tires speed rated for something close to that.
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