Chim wheel upgrade help
Discussion
paco said:
I am looking to put some big boots on my chimaera (hopefully wire 17" or 18") can anyone recommend a wheel, tyre and offset the will not affect performance or handling etc. many thanks
A difficult one as the offsets front to rear are different.
There is a company on the classifieds section who sell wheels for the Chim/Griff but they're not cheap.
Places like Compomotive might sell you 2 pairs of wheels with different offsets.
18's do, see my profile for a pic...
offset depends on what width/size you go for.
but, my 18x8 are et35 all round and pcd108.
they fit great and the ride is no problem.
thats the result of about 6 months of research.
hope that helps. all you need to do now is find some one that will sell you a set, which is the diffecult bit.
offset depends on what width/size you go for.
but, my 18x8 are et35 all round and pcd108.
they fit great and the ride is no problem.
thats the result of about 6 months of research.
hope that helps. all you need to do now is find some one that will sell you a set, which is the diffecult bit.
have alook here
www.pistonheads.com/gassing/topic.asp?f=8&h=&t=20994 or search after market alloys
www.pistonheads.com/gassing/topic.asp?f=8&h=&t=20994 or search after market alloys
iansull said:
Until you go over a bump/pot hole/white line
but if their the same rolling radius and lighter than standard then you wouldn't get any problems,as testified by the people in this thread who have actually done it
I know what you're getting at but bumps etc are always more of a problem with larger dia wheels.
Note: that assuming that you keep the roling radius the same then larger wheels will: Downside - cost more, have more expensive tyres, perform worse in the wet, perform worse on bumpy roads, increase the weight of the car, increase the unsprung weight, produce a harsher ride, be more susceptible to tramlining, increase the rotating unsprung weight(second moment of inertia) and be more liable to scuffing on kerbs when parking. On the plus side they should: prevent the tyre from distorting thus giving greater cornering grip in the dry and on smooth roads, be more direct giving greater steering feel, produce less heat and be better for long high speed journeys, and effectively increase the spring rates being an easy way to fine tune your springing rates from summer to winter if you swap back to the smaller wheels for winter and they should look good.
GreenV8S said:
Fitting lower section tyres with less sidewall flex can make the car more sensitive to suspension geometry changes. Lowering the car can mess up the handling by throwing the static geometry out, and giving you too much camber correction and bump steer. If you're doing it for looks then fair enough, but be aware that it has the potential to make a right mess of the car's handling characteristics.
On a practacle approach what tyres will you fit? 215/40/17 and 245/40/17 on 8 or 8.5 rims should be OK but what will you choose for 18s?
hi
i see what your saying but on all the cars we have fitted to there have been no problems with the ride being harsh,absolutely no tramlining whatsoever either.
most of our wheels are lighter than the 15's and 16's their replacing(even with 18")so your reducing unsprung weight which is a big advantage.
there is little difference in tyre prices thesedays but it does depend on the sizes you use as some sizes are more available than others.
we are using 7.5 fronts and 8/8.5 rears.
if your going for 18's then i would use either 215/225/35 fronts and 245/255/35 rears.
with 225 fronts,the rolling radius is about 3-4ml larger and almost identical with 215.
you do need to be careful with kerbing, though thats true for most wheels.
cheers,ian
i see what your saying but on all the cars we have fitted to there have been no problems with the ride being harsh,absolutely no tramlining whatsoever either.
most of our wheels are lighter than the 15's and 16's their replacing(even with 18")so your reducing unsprung weight which is a big advantage.
there is little difference in tyre prices thesedays but it does depend on the sizes you use as some sizes are more available than others.
we are using 7.5 fronts and 8/8.5 rears.
if your going for 18's then i would use either 215/225/35 fronts and 245/255/35 rears.
with 225 fronts,the rolling radius is about 3-4ml larger and almost identical with 215.
you do need to be careful with kerbing, though thats true for most wheels.
cheers,ian
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