Speedometer gear change?

[hot4dl8ly]

Does anyone know the necessary speedometer gear correction when changing to 13 (175-70-13) or 14 (175-65-14)inch wheels and tires. Or has anyone had any experience with those 165-70-12 Nanking tires. I am a little suspicious of untried tires, but they look okay. Thanks.

[WmWatt]

Logically it should be proportional to the change in circumference of the tires.

[theastronaut]

No speedometer change needed with Achilles 165/55-14's on my '88.

[bhazard]

Neither of those are sizes you want to run on a Festiva. 165/65-13 or 165/55-14 would be what you want and not have much effect on the speedometer reading.

[lessersivad]

Neither of those are sizes you want to run on a Festiva. 165/65-13 or 165/55-14 would be what you want and not have much effect on the speedometer reading.

BAH! Next you'll say 155 75 13 ain't any good either. Kids.....

[bhazard]

BAH! Next you'll say 155 75 13 ain't any good either. Kids.....

I've never seen a 75. 80's suck. 70's would be alright. I'm sure your opinion is a bit different though [emoji14]

[w4rkry]

165/55-14 is exactly the same overall diameter as stock 165/70-12.

Achilles ATR-K in 165/55-14 are less than 200 shipped for all 4. They perform great and are perfectly suited for a Festiva, especially on 14x6 wheels.

[hot4dl8ly]

Hey, Thanks people. I hadn't considered the possibility of such a size. I have some Accent alloy wheels and think they are probably 14's. 165-55-14 sounds like the right way to go and I found at least 2 brands in that size. Iff I ever get around to it. THANKS. In the interim - How about those Nanking tires, anyone tried them? Now that our Yokohama's are extinct.

[ryanprins13]

Hey, Thanks people. I hadn't considered the possibility of such a size. I have some Accent alloy wheels and think they are probably 14's. 165-55-14 sounds like the right way to go and I found at least 2 brands in that size. Iff I ever get around to it. THANKS. In the interim - How about those Nanking tires, anyone tried them? Now that our Yokohama's are extinct.

I believe there are 3 good ones. Achilles, federal and kumho.
I dont recall anyone using the nanking 12in, i didnt know they were still available. Can you post a link to where their sold? Thanks

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[w4rkry]

Hey, Thanks people. I hadn't considered the possibility of such a size. I have some Accent alloy wheels and think they are probably 14's. 165-55-14 sounds like the right way to go and I found at least 2 brands in that size. Iff I ever get around to it. THANKS. In the interim - How about those Nanking tires, anyone tried them? Now that our Yokohama's are extinct.

Yea, the Nankangs are not great, but they work. I wouldn't recommend them if 14s are an option

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[w4rkry]

I believe there are 3 good ones. Achilles, federal and kumho.
I dont recall anyone using the nanking 12in, i didnt know they were still available. Can you post a link to where their sold? Thanks

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Nankang CX688 are some of the easiest to find 12s in the US Ryan

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[ryanprins13]

Nankang CX688 are some of the easiest to find 12s in the US Ryan

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In 165/70?

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[w4rkry]

In 165/70?

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155/80R12. A little tall, but that was all that was available for around $50/ tire when I bought mine in 2016.
Yokohamas were $72 each.

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[lessersivad]

I've never seen a 75. 80's suck. 70's would be alright. I'm sure your opinion is a bit different though [emoji14]

Well all a 75 is for me is an 80 with 20 PSI. That or I flubbed the number and don't want to admit it....

[ryanprins13]

155/80R12. A little tall, but that was all that was available for around $50/ tire when I bought mine in 2016.
Yokohamas were $72 each.

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Ok, even 10yrs ago no 165/70's were available locally here, just the 155's and 145's. I sort of really want to try the 165 70 other than i dont really plan on ever buying 12s again after experiencing the 14's... i just didnt know they were available.
And im not a fan of the 155 80 12 tires i have tried.

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