I'm not sure why that is, but I read a while back, when the ford GT came out, that it did like 206mph in 5th, and only 205 in 6th. Regardless, thats still fast, but I still can't understand how that works, unless the air resistance keeps the less power of 6th gear from going quite as high of rpm.aussie_eagle2512 wrote:Speaking of abilities of each gear, I have a car magazine with some car tests etc. in them and often they list that the direct drive gear (1:1 ratio usually) can actually do more speed than overdrive, I take it this is because of the direct drive's slightly better strength, and in some cars where it does say the overdrive can do higher speed its never at max rpm. unlike with direct drive and lower.
just would like to hear an explanation about this if possible, thanks.
Post your gear ratios
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eaglecatcher
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Tinton
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Powerband. The Ford GT doesn't have enough power to accelerate faster at that speed in 6th, with all the wind resistance. A car can usually accelerate faster with a lower gear ratio, so it can go a little further in 5th. 6th is probably for cruising.eaglecatcher wrote:I'm not sure why that is, but I read a while back, when the ford GT came out, that it did like 206mph in 5th, and only 205 in 6th. Regardless, thats still fast, but I still can't understand how that works, unless the air resistance keeps the less power of 6th gear from going quite as high of rpm.aussie_eagle2512 wrote:Speaking of abilities of each gear, I have a car magazine with some car tests etc. in them and often they list that the direct drive gear (1:1 ratio usually) can actually do more speed than overdrive, I take it this is because of the direct drive's slightly better strength, and in some cars where it does say the overdrive can do higher speed its never at max rpm. unlike with direct drive and lower.
just would like to hear an explanation about this if possible, thanks.
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uh2lsaab
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Higher top speed in lower gear
In 6th gear the engine can't get enough torque to spin past XXX mph at the associated rpm. However, in 5th gear, the engine has more rpm available before hitting redline and doesn't need as much torque to accelerate beyond XXX mph.
If you look at a torque curve for a car engine, it tends to drop off before redline. This accounts for part of the phenomenon.
If you look at a torque curve for a car engine, it tends to drop off before redline. This accounts for part of the phenomenon.
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uh2lsaab
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2006 Saab 9-3 SC 2.0 T 5-spd ratios
Oh yeah, forgot to post my ratios...
1st 3.38
2nd 1.76
3rd 1.18
4th 0.89
5th 0.66
Rev 3.17
Final Drive 4.05
2450 rpm at 70 mph
1st 3.38
2nd 1.76
3rd 1.18
4th 0.89
5th 0.66
Rev 3.17
Final Drive 4.05
2450 rpm at 70 mph
I think that's one of the cool things about your car. In October I spent over an hour driving my buddies in the mountains and was shocked that I actually had to use 5th.....errrr...we'll say I would have needed to use fifth to get to 100. Hard acceleration is very busy....shift..beep..shift...beep...shift...beep...shift..beep...shift and the next thing you know your going pretty fast.jomotopia wrote:^^ geez, i gotta grab 3rd to get 60 and 5th to get to 100.
Oh yeah, I also learned not to let off the throttle in the middle of a turn.
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2005 Pontiac GTO 6MT
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2005 Pontiac GTO 6MT
2011 Ram 1500 CC Laramie 4x4
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jomotopia
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hahaha yes that's the STi in a nutshell.JHamilton wrote:I think that's one of the cool things about your car. In October I spent over an hour driving my buddies in the mountains and was shocked that I actually had to use 5th.....errrr...we'll say I would have needed to use fifth to get to 100. Hard acceleration is very busy....shift..beep..shift...beep...shift...beep...shift..beep...shift and the next thing you know your going pretty fast.jomotopia wrote:^^ geez, i gotta grab 3rd to get 60 and 5th to get to 100.
Oh yeah, I also learned not to let off the throttle in the middle of a turn.
lots of shifting going on. i like the short gears. i especially like that 3rd is my all purpose gear instead of 2nd. i just wish 2nd, 4th, and 6th were a little taller. they corrected that with the 07s. ppl are thrilled they can finish the 1/4 in 4th.2013 Subaru Impreza WRX in Orange
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eaglecatcher
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man, I wish 3rd was my all purpose gear, or even 2nd. My 2nd is useless for cornering, so I have to downshift to first going like 25mph, and then I'm slowed down to about 15 by the time I actually take the turn.
Z1 Intake
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Z1 2.5" Test pipes
HKS 65mm Hi-Power Exhaust
AMS Short Shifter
SZ Subframe Spacers
HKS Vein Pressure Converter
DDM Tuning 6000k HIDs
