Bigger wheels... slower speed/acceleration? - Corsa Sport - for Vauxhall and Opel Corsa B, Corsa C and Corsa D

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OpelCorsaC

Member

Registered: 30th Mar 04
User status: Offline

12th Apr 04 at 20:11

Is it true that increasing size of wheels (from 14" to 16" for example) decrease the acceleration or speed (when starting from 0 mph)? I've also heard that when you change the wheel size, the speedometer gets no "real" reading on speed? Somebody told me that powersteering gets a little bit "harder" when increasing the wheels?

My Corsa C came with 14" wheels and I'm thinking on changing them to 16", but I would like to know what y'all think.

Cheers!!

Gaz

Member

Registered: 24th Aug 03
Location: Widnes, Cheshire
User status: Offline

12th Apr 04 at 20:13

i went from 14 - 17 and noticed the difference no racing anymore

also ur speedo is out
i think if ur doing about 60 its acctually 64 -67 something like that

Siberia

Member

Registered: 9th Oct 03
Location: Leprechaun Land Drives : Zafira GSI
User status: Offline

12th Apr 04 at 20:16

yes your speedo will not give a acurate reading. alot of people told me my sterring would be dog heavy when i fit bigger wheels but i went for 145/70/r13 to 195/45/r16 and i think the steering is way lighter (no power steering though)

i could be wrong but i think accelleration will be slightly increase from like 0-20MPH but your top speed will be less.

all in all though there are so many benifits from bigger wheel they outway the bad things

OpelCorsaC

Member

Registered: 30th Mar 04
User status: Offline

12th Apr 04 at 20:18

That what I thought... I think that if it is "looks" what I searching for, is great to change wheels size, but that will be a "down" on performance, huh?

Red_SXi

Member

Registered: 23rd Sep 02
Location: Dunstable Drives: 52 Plate BMW 3 M Sport Coupe
User status: Offline

12th Apr 04 at 20:25

If the rolling radius (the overall diameter of wheel and tyre) is the same as before you shouldn't notice your car being slower, or speedo innacuracy at all.

OpelCorsaC

Member

Registered: 30th Mar 04
User status: Offline

12th Apr 04 at 20:38

That's a good point Red. I currently have 14" wheels with 185/60 R14 tires, can you advice what size of tire will I need to use if I change to 16"?

Red_SXi

Member

Registered: 23rd Sep 02
Location: Dunstable Drives: 52 Plate BMW 3 M Sport Coupe
User status: Offline

12th Apr 04 at 20:40

195/45/16 is what is fitted to Sri's in this Country.

J da Silva

Member

Registered: 10th Apr 03
Location: The FACTory
User status: Offline

12th Apr 04 at 20:58

my 18's are the same diameter that my 17's with the tyres on simply because my 17's had thicker tyres on and my 18's have thinner ones