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RPM to speed equal 

 

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 Post subject: RPM to speed equal
Posted: Thu Nov 10, 2005 9:52 pm 
Tyre Shredder
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Age: 31

Posts: 391

Joined: 9th Feb 2005

Ride: EB falcon 5spd

Location: adelaide
SA, Australia

just wondering if anyone would hbe able to tell me some RPM's in relation to speeds through out the gears. for an EB manual
with a stock gearbox and diff?

eg. in 5th 100km is about 1900 rpm

but that is all i know

some redline speeds would be good, and some normal cruising speeds. \

thanx, its just i have an aftermarket tacho and i wanna make sure its acurate.

 

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Posted: Fri Nov 11, 2005 1:47 am 
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Depends on final tyre diameter and diff ratio.

But 5th Gear, 2000rpm should be somewhere around 100-110km/hr

 

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Posted: Fri Nov 11, 2005 1:52 am 
Getting Side Ways
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Ride: Falcon EB-s

Location: Manjimup
WA, Australia

My auto is dead on 2 grand at 110, so at the redline at 5400 (memory), it will be sitting on just shy of 300. 297 if i have my maths correct. Unfortunately, it will never get there! Not enough power to overcome the drag from the air.

 

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Posted: Fri Nov 11, 2005 3:12 am 
Smokin em up
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Age: 31

Posts: 229

Joined: 7th Feb 2005

Ride: EF Fairmont

Location: Perth
WA, Australia

i just whipped up this excel spreadsheet in 5 mins if anyones interested, mainly coz i was bored and felt like a challenge

http://members.ii.net/~brad_86/speeds.xls

not sure how acurate it is but i think my calcs where right 8-)
also u can work out ur rolling diameters urselves, theres plenty of little scripts around. inlcuding rim and profiles would have wasted even more of my precious time i have at 12 in the morning :wink:

 

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Posted: Sun Nov 13, 2005 6:25 pm 
Getting Side Ways
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Ride: BA XR6 Turbo

Power: 221 rwkw

Location: A
ACT, Australia

EB/ED redline= 5,000rpm
EF/EL redline= 5,500/5,400rpm.

But with my ED XR6 i have reved it to 5,500. I never want to do it again but i have.
There the redines but they can go about 500 rpm and the run into a rev-limiter which will stop them from reving.

 

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Posted: Sun Nov 13, 2005 7:15 pm 
Fordmods Junkie
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mine sits , 1700rpm@110 w/o wind, and up-to 2000 with wind. if that makes sence. based on my frequent trips along the good-ol hume.

 

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Posted: Sun Nov 13, 2005 8:17 pm 
Getting Side Ways
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Ride: VZ SS 6Ltr ute, Honda VFR800

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VIC, Australia

Quote:
EF/EL redline= 5,500/5,400rpm.


The EF red line is 5500rpm but the limiter kicks in at about 5700-5800rpm.
I'v hit it a few times!

 

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