stability at higher speeds

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Old July-24th-2003 | 10:44 PM
  #16  
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sorry to resurect an old thread, but when we lived in italy, and the car was bout new, we hit 130 on the autostrada
Old July-28th-2003 | 09:48 PM
  #17  
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I have a Canadian GT with no mods except 2.25" pipes and can hit 220km/h on flat road...so thats around 135 mph. Blew a stock tire right off the week i bought it. Apparently they're only rated for 180 km/h
Old August-1st-2003 | 06:58 PM
  #18  
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yay...got an alignment...no more shakiness...its solid as a rock up past 130
Old August-2nd-2003 | 02:22 AM
  #19  
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well my rig has over 118,000 miles. First gen DOHC 5spd. It will do 120 all day long on flat ground. It is a little unstable but I attribute that to the one bent steelie I have....it had four bent when I bought it but I only replaced the three that were worst...lol. I assume its the original engine but then again its a back o' the lot special....
Old August-2nd-2003 | 02:58 AM
  #20  
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Originally posted by Protoss
Note the assumption, the modle was perfect. which it was not, so .35 sound a little low. I know the calculated value is off. what issue of C/D was that? we are talking first gen right? .37 would sound a bit more true. i can see .35 for the thrid gen, not the first.
I can't seem to find where I'd seen that drag coefficient, but here are some numbers that you might be able to use to get a ballpark figure.

Top speed (according to Car and Driver) 120 mph @ 6100 rpm. Figure 105 hp to the wheels, being generous.

Frontal area 20.3 sq. ft.

Coast down measurements:
Road horsepower @ 30 mph -- 4 hp
....................@ 50 mph -- 12 hp
....................@ 70 mph -- 27 hp

This should be enough data to give you a good estimation of the cars drag coefficient.
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