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-   -   What are your RPM's at in 6th at 70 mph? (https://www.rx8club.com/rx-8-discussion-3/what-your-rpms-6th-70-mph-181104/)

Are-Ex-Eight 08-24-2009 09:49 PM

What are your RPM's at in 6th at 70 mph?
 
My R3 is pulling almost 4k RPM's at only 70 mph. Seems a little high for 6th gear.

stayfrosty 08-24-2009 09:58 PM

thats normal

Tigerfootball 08-24-2009 10:05 PM

Mine is about 3750 or so at 72mph.

dondo 08-24-2009 10:17 PM

normal

DarkLord7854 08-24-2009 10:47 PM

Same here

scwchapman 08-24-2009 10:51 PM

The first two digits of my rpm's are literally half my speed in 6th gear. At 60 I'm turning 3k. At 70 I'm turning 3.5k. At 80 4k, so on and so forth. It's awesome.

ken-x8 08-24-2009 11:05 PM


Originally Posted by scwchapman (Post 3187158)
The first two digits of my rpm's are literally half my speed in 6th gear. At 60 I'm turning 3k. At 70 I'm turning 3.5k. At 80 4k, so on and so forth. It's awesome.

Something else that's cool is that at 3000 rpm, the speeds in 2nd, 3rd, 4th, 5th and 6th are 20, 30, 40, 50, 60 mph.

I feel sorry for people in metric countries who do not have this feature.

Ken

DarkLord7854 08-24-2009 11:15 PM


Originally Posted by ken-x8 (Post 3187181)
Something else that's cool is that at 3000 rpm, the speeds in 2nd, 3rd, 4th, 5th and 6th are 20, 30, 40, 50, 60 mph.

I feel sorry for people in metric countries who do not have this feature.

Ken


Lol.. wouldn't really call it a feature though :p:

shazy 08-24-2009 11:19 PM

lol. everyone can change that with a press of a button. :)

KRMRX8 08-24-2009 11:26 PM

The final drive axle ratio is lower on the 09's than the 08's with 6 speed sport option.

nikkdizzle 08-24-2009 11:41 PM

that seems about right.

Old Rotor 08-25-2009 12:03 AM

The 4 spd auto is doing 73mph at 3K...

kersh4w 08-25-2009 12:05 AM

4k rpm is 80mph for the 04-08 manuals.

RxMadness 08-25-2009 12:10 AM

6 spd auto, I believe 72-74 (where I set my CC) is usually right around 3k.

SayNoToPistons 08-25-2009 12:31 AM

Auto doesn't count!

much2saxy 08-25-2009 02:11 AM

Yeah....mine does the same thing. What really gets me is that, when you do the math, you should only be turning 3406rpm at 70 mph.....I asked the dealer and they had no idea why this could be. I'm glad I'm not alone!

DRFTGTO 08-25-2009 07:55 AM

The gear ratios always suprise me on the highway, i always feel a need to upshift as in my car im still below 2k at 70mph

rx 8speciale 08-25-2009 08:47 AM

3.5 k for 70mph

DarkLord7854 08-25-2009 09:11 AM


Originally Posted by ken-x8 (Post 3187181)
Something else that's cool is that at 3000 rpm, the speeds in 2nd, 3rd, 4th, 5th and 6th are 20, 30, 40, 50, 60 mph.

I feel sorry for people in metric countries who do not have this feature.

Ken


Actually, 09s have it slightly different..

2nd is 20

3rd is 32

4th is 43

5th is 54

6th is 63

R is 150

Vlaze 08-25-2009 09:12 AM


Originally Posted by kersh4w (Post 3187256)
4k rpm is 80mph for the 04-08 manuals.

My '06 Manual sees 4k around 72-75.

04RX8man 08-25-2009 01:02 PM

normal

B Quiet N Drive 08-25-2009 01:09 PM

I eventually want a taller 6th gear. I'll never use it for speed. The most I'll do with this car (in terms of performance) is autocross and my friend who has been doing it for a while now say's he rarely gets out of 3rd on an autocross course. I would like to be running 65mph at 2000, maybe 2,500 to save some gas. Not sure how much fuel it would actually save though and any rpm lower than that would just be too low. Currently at 65mph I'm running at about 31 or 3200. Hmmm..

alz0rz 08-25-2009 01:30 PM

Problem would that be loss of performance in all other gears.

B Quiet N Drive 08-25-2009 01:48 PM


Originally Posted by alz0rz (Post 3188082)
Problem would that be loss of performance in all other gears.

I don't know much about this, but I thought that the gears we're completely independant of each other. Please explain if you wouldn't mind. Thanks,

911SC 08-25-2009 02:10 PM


Originally Posted by B Quiet N Drive (Post 3188123)
I don't know much about this, but I thought that the gears we're completely independant of each other. Please explain if you wouldn't mind. Thanks,

Shutup and look at his avatar!:sweatdrop


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