Fitting narrower tires?

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asjo
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Joined: Mon Nov 29, 2021 6:40 pm

Post by asjo » Sun Nov 20, 2022 3:45 pm

Has anyone tried fitting narrower tires (for better range)?

Perhaps the load rating could be a problem?

I drove a 2CV many years ago, and the very skinny tires were great when there was snow :-)

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FDAD
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Location: Porto, Portugal

Post by FDAD » Mon Nov 21, 2022 11:10 am

Usually for narrower you would have to go for larger tire diameter too, for weight compensation.
Same as i3 120 for example that has +- the same GVWR uses FRONT -> 155/70R19 84Q REAR -> 175/60R19 86Q

Thats why it has that weird look to it. :lol:
Honda E advance [Modern Steel Metallic] 8-) [DELIVERED JULY 2020] - 50 000Kms + ✌️🎂

Accord
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Post by Accord » Mon Nov 21, 2022 6:58 pm

Effectively you're probably not going to notice much. Rather check that your tire pressure is correct.

A couple of less degrees on the heater does much more for range.

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keithr
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Location: Dorset, UK

Post by keithr » Tue Nov 22, 2022 3:11 pm

Accord wrote:
Mon Nov 21, 2022 6:58 pm
Effectively you're probably not going to notice much.
I have noticed a difference. As I wrote in the thread 'Recent "Journeys" and Economy' about 18 months ago:

When my car was at the dealer having it's door handle replaced last week, they gave me a Honda e with 17" wheels as a courtesy car (mine has the 16" wheels). I did notice that the ride was slighty firmer/harsher, but I was more surprised that the economy was noticably worse. On the way home (overall downhill) I got 4.5 miles/kWh from the 17" wheel car, but in my 16" wheel car I got 5.8 mile/kWh (slightly different route, more traffic). On the way there the difference was smaller - I think it was 3.5 and 3.7 miles/kWh. So overall for each car it was an average of 4 miles/kWh (17" wheels) and 4.75 miles/kWh (16" wheels) over a total distance of about 10.5 miles. So for a full charge that's a range of about 125 miles and 148 miles - a bigger difference than I was expecting.

asjo
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Post by asjo » Tue Nov 22, 2022 9:31 pm

keithr wrote:
Tue Nov 22, 2022 3:11 pm
I have noticed a difference.
Are the 16" wheels narrower?

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keithr
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Location: Dorset, UK

Post by keithr » Wed Nov 23, 2022 1:58 pm

asjo wrote:
Tue Nov 22, 2022 9:31 pm
Are the 16" wheels narrower?
Yes, by 1/2 of an inch. The 17" wheels are '17X6 1/2J' front and '17X7 1/2J' rear, whereas the 16" wheels are 16X6J and 16X7J. Tyres are '205/45ZR17 88Y' front '225/45ZR17 (94Y)' rear, and '185/60R16 86H' front and '205/55R16 91V' rear - according to the Owner's Manual.

asjo
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Joined: Mon Nov 29, 2021 6:40 pm

Post by asjo » Wed Nov 23, 2022 8:51 pm

keithr wrote:
Wed Nov 23, 2022 1:58 pm
Yes, by 1/2 of an inch.
Great, I think I will limit myself to trying 16"'s at some point - I care more about comfort than looks or cornering.

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