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what size 19 tread on ef and was i reppied with pics FPVrims 

 

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 Post subject: what size 19 tread on ef and was i reppied with pics FPVrims
Posted: Mon Jan 21, 2008 4:56 pm 
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ok i just bout 4 x 19" pre au fpv rims but the tread is 255/35 r19 is this to fat to fit under teh falcon. i've stacke dthem up on my spare and the tyre is bigger bya fair bit will it effect the speedo much?. i payed $1000 with 4 average tyres almost down to wear marks. few marks were nuts go there than that in good nick

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please note bottom rim is standard efII xr6 rim

Last edited by gros20 on Mon Jan 21, 2008 5:06 pm, edited 1 time in total.

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Posted: Mon Jan 21, 2008 5:00 pm 
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"do fat i stacke dit up"....... "few marks were nuts go there than that"

huh?
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Posted: Mon Jan 21, 2008 5:15 pm 
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only 1 way 2 find out.. give em a try!!

 

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Posted: Mon Jan 21, 2008 5:46 pm 
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Learn to use proper spelling and grammer. Take 5 mins and write it all properly and then maybe people will give you an answer.
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Posted: Mon Jan 21, 2008 6:17 pm 
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MoNGooSE wrote:
Learn to use proper spelling and grammer. Take 5 mins and write it all properly and then maybe people will give you an answer.


looks fixed now i can understand it :)

The 255's will put the speedo out a little bit. When your speedo shows 100kph you are really doing 102kph.

Easiest fix is to fit 235/35 tyres and the speedo will be spot on
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Posted: Mon Jan 21, 2008 6:46 pm 
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FordFairmont wrote:
MoNGooSE wrote:
Learn to use proper spelling and grammer. Take 5 mins and write it all properly and then maybe people will give you an answer.


looks fixed now i can understand it :)

The 255's will put the speedo out a little bit. When your speedo shows 100kph you are really doing 102kph.

Easiest fix is to fit 235/35 tyres and the speedo will be spot on
How the "beeeeep"(been contributing too much to the swear jar lately :lol: ) does the width of the tyre affect the speedo? Don't you mean wall height of the tyre?

 

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Posted: Mon Jan 21, 2008 7:01 pm 
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micknkell wrote:
FordFairmont wrote:
MoNGooSE wrote:
Learn to use proper spelling and grammer. Take 5 mins and write it all properly and then maybe people will give you an answer.


looks fixed now i can understand it :)

The 255's will put the speedo out a little bit. When your speedo shows 100kph you are really doing 102kph.

Easiest fix is to fit 235/35 tyres and the speedo will be spot on
How the "beeeeep"(been contributing too much to the swear jar lately :lol: ) does the width of the tyre affect the speedo? Don't you mean wall height of the tyre?


Well done you're a d***head. heres your sign. Of course the width will effect the speedo, the profile of the tyre will change, The profile is a percentage of the width of the tyre. therefore change the width the profile lowers. d***head, so pull your beeping head in and go do something constructive.

 

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Posted: Mon Jan 21, 2008 7:19 pm 
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micknkell wrote:
FordFairmont wrote:
The 255's will put the speedo out a little bit. When your speedo shows 100kph you are really doing 102kph.

Easiest fix is to fit 235/35 tyres and the speedo will be spot on
How the... does the width of the tyre affect the speedo? Don't you mean wall height of the tyre?


The height of the wall is always relative to the width of the tyre.

He could keep the same width and go a lower profile, but i thought it would be better to keep the same sidewall profile and choose a narrower tyre to help clearing the guards
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Posted: Mon Jan 21, 2008 7:22 pm 
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Gregg_13 wrote:
micknkell wrote:
FordFairmont wrote:
MoNGooSE wrote:
Learn to use proper spelling and grammer. Take 5 mins and write it all properly and then maybe people will give you an answer.


looks fixed now i can understand it :)

The 255's will put the speedo out a little bit. When your speedo shows 100kph you are really doing 102kph.

Easiest fix is to fit 235/35 tyres and the speedo will be spot on
How the "beeeeep"(been contributing too much to the swear jar lately :lol: ) does the width of the tyre affect the speedo? Don't you mean wall height of the tyre?


Well done you're a d***head. heres your sign. Of course the width will effect the speedo, the profile of the tyre will change, The profile is a percentage of the width of the tyre. therefore change the width the profile lowers. d***head, so pull your beeping head in and go do something constructive.

I stand corrected. :oops: It's a good day when you learn something new. Today I learnt 2 things;
1st thing:-
Tyre aspect ratio, what is it and why is it important?

Aspect ratio refers to the ratio between the tyres width and its side wall height. That is, a 205/60/15 size tyre has a 60% aspect ratio which means its side wall height is 60% of its width which is 205mm. Note that this is a ratio, not an absolute measurement so a 205/60 has a different side wall height measurement to a 195/60 even though the ratio is the same. The 15 refers to the wheel size in inches. :D
2nd thing:-
You're a f**k. Constructive enough for you a**hole :twisted:

 

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Posted: Mon Jan 21, 2008 7:36 pm 
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More CONSTRUCTIVE feedback on the subject for others like me that just aren't lucky enough to know it all! :P

There is a common misconception when reading tyre sizes that the profile of the tyre is measured in millimeters which is not correct, so here is a guide on how to read those numbers on your tyres correctly!

Tyre Measurements (Passenger Vehicle)

185/60R14 82

185 - Section width in millimeter
60 - Aspect Ratio
R - Radial Construction
14 - Rim Diameter in inches
82 - Load index

Key features of a reduced aspect ratio are;

* less side wall flex hence the car will turn-in better with more precision,
* greater carcass rigidity allowing higher effective slip angles.
* Ideal for bigger Selbys Swaybars
* increased effective spring rate at the wheel often requiring reduced physical spring rate
* increased NVH
* ride quality deteriorates
* greater probability of tyre and wheel damage

Source: Whiteline Automotive

There! I feel better now :D

 

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Posted: Mon Jan 21, 2008 8:04 pm 
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Ok I'll get down off my soap box and appologise for the abuse, just got in from work and its been lowsy, empty house so I vented on here, but tsk tsk, Princess, keep your panties on....

 

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Posted: Mon Jan 21, 2008 8:08 pm 
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Gregg_13 wrote:
Ok I'll get down off my soap box and appologise for the abuse, just got in from work and its been lowsy, empty house so I vented on here, but tsk tsk, Princess, keep your panties on....
You started it b**ch! :lol: How'd I go with the research though? Meet with your appoval? :P

 

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Posted: Mon Jan 21, 2008 8:16 pm 
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haha, nicework.

 

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Posted: Mon Jan 21, 2008 9:28 pm 
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ok back to teh point was 1000 a fair price and has anyone fitted 255 on a ef xr6?

so i should just ecept taht its going to be 2% out or i might even get 2 new 235's for the rear
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Posted: Mon Jan 21, 2008 9:33 pm 
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always put your skinnier tyres up front cause you need the clearance. The rears are usually ok, sometimes guard rolling needed.
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