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> RPM reading @ 110km/h, survey

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Rusty Nail
post Aug 1 2008, 09:40 AM

Why am I still here?
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Senior Member
4,680 posts

Joined: Jan 2003
From: Petaling Jaya




QUOTE(kcng @ Aug 1 2008, 09:36 AM)
different size rim will cause your speedo meter to over or under read and will make your rpm reading @ 110 km/h not accurate anymore

senario example
13" 110@3k
15" 120@3k <-- bigger rims cause the speedo meter to over read
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dei, after change rims your speedo still the same reading. it's the actual speed that is different.
speedo reading is taken from gearbox, not gps/ satellite position tracking.
Rusty Nail
post Aug 1 2008, 11:20 AM

Why am I still here?
*******
Senior Member
4,680 posts

Joined: Jan 2003
From: Petaling Jaya




QUOTE(peris @ Aug 1 2008, 10:34 AM)
is't..lol..my satria using 16' rims...so how i wanna know how fast i drive then?
i'm a good citizen..dun wan to be caught by police  tongue.gif
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i think rims is not an issue (unless you take weight into account) but the tire radius.
http://swatt.j.porter.name/tech-center/tool/tire-calculator
compare your stock tire with the new ones that you are using. then you can see the difference in size.

 

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