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SERIES 3

Tech Talk for Suzuki owners.

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SERIES 3

Post by mud4b »

does anyone know around about what speed(on road)i would get
running a s3 rockhopper with 31s or 33s with the std coily ratio of 3.9?
Mud4b/ OPT, Cheap rates, Not cheap work. Search Opt- option offroad on facebook. Call or Sms 0439609525.. Sunshine coast, Eudlo, 4554.
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Post by N*A*M »

won't it be 1.22 x whateer it is currently?

that's assuming 22% reduction in high range
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Post by mud4b »

i dunno?
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Post by N*A*M »

increasing gear ratio will increase engine revs
increasing tyre size will decrease engine revs

for example, if currently 31" tyres, 3000rpm at 100kph
if you increase high range reduction ratio by 22% with rockhopper, you will now need to rev 3600rpm to go 100kph
if you then increase tyre size to 33" (that's a 6.5% increase from 31"), your revs will decrease to 3424rpm
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Post by mud4b »

cool i never understood that.so ill go 33s then.
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Post by mike »

mud4b I have a spreadsheet that does the sums for ya if you want
just plug in ratios/tyre size and it'll give you rpm in each gear for a range of speeds...
If it's already been thought of...
There has to be a better way...
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Post by mud4b »

sounds good,but ratios-do you mean diff,g-box?
Mud4b/ OPT, Cheap rates, Not cheap work. Search Opt- option offroad on facebook. Call or Sms 0439609525.. Sunshine coast, Eudlo, 4554.
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