07-18-2007, 12:06 PM
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#1
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Guest
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150 in BMW Z3, car felt stable, glued to the road even, felt like the car weighed 10 tons. 146 in 99 boxster, quiet, very stable. I guess it helps ive got the GT3 bumper and side skirts on it. Ran out of road basically for the box, the Z3 was cooling down fast so I had to stop, didnt want it to cool the oil too much. Ummm, I think I went 90 in my 02 jeep liberty renegade... don't do that.
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07-18-2007, 12:36 PM
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#2
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Registered User
Join Date: Jun 2007
Location: Littleton, CO
Posts: 456
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Quote:
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Originally Posted by boggtown
150 in BMW Z3, car felt stable, glued to the road even, felt like the car weighed 10 tons. 146 in 99 boxster, quiet, very stable. I guess it helps ive got the GT3 bumper and side skirts on it. Ran out of road basically for the box, the Z3 was cooling down fast so I had to stop, didnt want it to cool the oil too much. Ummm, I think I went 90 in my 02 jeep liberty renegade... don't do that.
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Huh? The Z3 was cooling down fast so you had to stop? That seems very odd to me. Driving a car that fast puts a LOT of stress on the engine, creating a lot of heat. Regardless of ambient air speed, I can't imagine a car coolling off the faster you drive it. Hell, it seems to me it would get hotter at an accellerating rate, much like air resistance would increase at an accellerating rate.
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07-18-2007, 03:30 PM
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#3
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Registered User
Join Date: Nov 2003
Location: Illinois
Posts: 3,033
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Quote:
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Originally Posted by Pat
Huh? The Z3 was cooling down fast so you had to stop? That seems very odd to me. Driving a car that fast puts a LOT of stress on the engine, creating a lot of heat. Regardless of ambient air speed, I can't imagine a car coolling off the faster you drive it. Hell, it seems to me it would get hotter at an accellerating rate, much like air resistance would increase at an accellerating rate.
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I've noticed this on my boxster. If the engine is not 100% warmed up...say 180 degrees instead of 185 and I drive fast the coolant temp actually drops 10-20 degrees sometimes.
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07-18-2007, 03:47 PM
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#4
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Registered User
Join Date: Dec 2006
Location: shoreham, ny
Posts: 1,619
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none of it.. lol I did not change the gearing so it is stock in that sense. I wish I had the video of it on the dyno still. You would be surprised how fast our car is if it had to pull no weight and had no drag. It got there real quick.
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