How accurate are Subaru speedos?
#4
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When tested against a Garmin E-trex GPS, my MY97 Turbo is reading 100 kph against a GPS indicated speed of around 90 kph, a variance of 10%, which gives an added safety margin against speeding,lol.
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#8
\m/ ^_^ \m/
Thread Starter
i'm asking because i need to set up my blitz turbo timer properly, it does 0-60, 1/4 miles etc. and wanted it fairly accurate
i need to drive along at a steady 40kph to calibrate it, guess i need to drive at 44 or something then
i need to drive along at a steady 40kph to calibrate it, guess i need to drive at 44 or something then
#9
Hey FLAT4 how are you?
Sorted my spluttering out today.
Solenoid?????????????
No!!
Gaps in sparkplugs incorrect.
Oh well, almost running 100% now
Nick
P.S. are you out on this Vodka Bar do beginning of June?
Sorted my spluttering out today.
Solenoid?????????????
No!!
Gaps in sparkplugs incorrect.
Oh well, almost running 100% now
Nick
P.S. are you out on this Vodka Bar do beginning of June?
#13
\m/ ^_^ \m/
Thread Starter
is it 10% from 0 upwards or is it a steady increase upto 10%? can't believe at an indicated 90 your doing 81!
plus; bigger wheels, does that put it even further out (can't be arsed to work this one out)
plus; bigger wheels, does that put it even further out (can't be arsed to work this one out)
#15
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the speed tracked by my origin blue-i seems to be pretty concurrent with the speedo of my MY01 up to about 120 (private roads, of course!)
simon
simon
#17
Former Sponsor
iTrader: (48)
Hi Jen,
If you get a tyre company technical data book listing rolling circumferences you will find interesting information.
My 205x50x16 tyres were 1865mm rolling circumference.
215x40x17 1846
For some tyre manufacturers and size changes the difference is much greater.
If you get a tyre company technical data book listing rolling circumferences you will find interesting information.
My 205x50x16 tyres were 1865mm rolling circumference.
215x40x17 1846
For some tyre manufacturers and size changes the difference is much greater.
#18
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Surely it depends where the needle is alined with n all as i had to b carefull when changing dials 2 make sure i new where it was at rest b4 changing, but if i new it was innaccurate i kud always change it if unhappy Although u r allowed +10% i'd rather no the true speed shud i get pulled Looking at getting the defi HUD VSD2 n all which, i kud b rong, but mayb more accurate
Si
Si
#22
I have an Ultra Digital Speedo installed on the dash.
Generally i am seeing a difference of just over 5% (less than 10%) between the two with the digital one reading lower. Thats obviously the one I look at most.
My car is box standard with out-the-shop wheels and tyres.
brian
Generally i am seeing a difference of just over 5% (less than 10%) between the two with the digital one reading lower. Thats obviously the one I look at most.
My car is box standard with out-the-shop wheels and tyres.
brian
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