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rim sizes /w false speedometer readings.also slower 0-60?lilhelp #176672 May 11, 11:43am May 11, 11:43am
Joined: Apr 2004
Posts: 312
Jacksonville, FL
2kVeilsideGTS OP
Member
2kVeilsideGTS OP
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Joined: Apr 2004
Posts: 312
Jacksonville, FL
rim sizes /w false speedometer readings.also slower 0-60?lilhelp
ok so im going from a 2000 GTS 16" rims to something else and im not sure what to do. I LOVE the look of 18" rims and i would wanna get like 235/40r 18" for tires but how much would that slow me down in the 0-60 and also how do i realign my speedo? anyone have a converter site or anything? i herd a friend talking about it but it was a long time ago. I just don't wanna get 18" and slow down my car that much. thanks peeps

Re: rim sizes /w false speedometer readings.also slower 0-60?lilhelp [Re: 2kVeilsideGTS] #176673 May 11, 11:59am May 11, 11:59am
Joined: Apr 2003
Posts: 1,917
Southern California
tru_Asiatik_Pride
Blue MnM
2003 Toyota Celica
tru_Asiatik_Pride
Blue MnM
2003 Toyota Celica

Joined: Apr 2003
Posts: 1,917
Southern California
18" will slow you the hell down, this is coming from experience. i dont race anyways so if you plan to race get 17" or better yet stick with 16"
as far as the speedo dont mess with it just leave it be b4 you fudge something up
i think if you go with bigger rims its about 3-5mph off so if your running 65mph your actual speed is 70 mph...not sure though thumbsup

Re: rim sizes /w false speedometer readings.also slower 0-60?lil [Re: tru_Asiatik_Pride] #176674 May 11, 12:36pm May 11, 12:36pm
Joined: Apr 2003
Posts: 1,899
Maryland
2003 silver streak Toyota Celica GT
Gen7fan
ThE iRoN mAiDeN
2003 Toyota Celica GT
Gen7fan
2003 silver streak Toyota Celica GT
ThE iRoN mAiDeN
2003 Toyota Celica GT

Joined: Apr 2003
Posts: 1,899
Maryland

Re: rim sizes /w false speedometer readings.also slower 0-60?lil [Re: Gen7fan] #176675 May 11, 10:31pm May 11, 10:31pm
Joined: Apr 2004
Posts: 312
Jacksonville, FL
2kVeilsideGTS OP
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2kVeilsideGTS OP
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Joined: Apr 2004
Posts: 312
Jacksonville, FL
you sure it will slow me down severely? now im getting scared because i love the rims and 18" looks so much hotter dropped than 17"...AHHH anyone got more info...btw thanks lots for speed calc it rox:)

Re: rim sizes /w false speedometer readings.also slower 0-60?lil [Re: 2kVeilsideGTS] #176676 May 12, 3:11am May 12, 3:11am
Joined: Aug 2003
Posts: 6,371
New Orleans, LA
Speed4TheNeed
Caleb
2000 Toyota Celica
Speed4TheNeed
Caleb
2000 Toyota Celica

Joined: Aug 2003
Posts: 6,371
New Orleans, LA
^^ it really depends on how light your wheels are.

as a rule of thumb, 18" wheels are heavier than 17" wheels are heavier than 16" wheels and so on. this is quite obvious.

however, some companies specialize in making very light wheels that still have big diameters (up to 20"). one such company is centerline..who advertises their 20" wheels to weigh 23 lbs...or about the same weight (give a pound or two) of your stock 16" gts alloys.

diameter does have a little bit to do with it..but most importantly it's weight. if you buy an 18" rim that weighs about 22-23 lbs then you won't really see a Performance decrease. obviously the problem is just finding an 18" wheel that weighs that..the more specialized you get the less options are available. thumbsup

Re: rim sizes /w false speedometer readings.also slower 0-60?lil [Re: Speed4TheNeed] #176677 May 12, 2:51pm May 12, 2:51pm
Joined: Jan 2004
Posts: 558
nc, usa
narcolepsy123456
Senior Member
00 Toyota Celica GT
narcolepsy123456
Senior Member
00 Toyota Celica GT

Joined: Jan 2004
Posts: 558
nc, usa
umm, diameter has a lot to do with it. if you run steel 15s they'll accelerate a lot quicker due to the fact that their mass is spread evenly throughout the entire wheel. however, if you go with an 18, no matter how light, it will always accelerate slower because the moment of inertia is twice that of the solid piece. simple physics, solid cylinder is .5 mass x (radius)squared ; where a hollow cylinder is mass x (radius)squared. so the wheels would have to weigh a hell of a lot less to be close to the speed of a smaller wheel. thumbsup

Re: rim sizes /w false speedometer readings.also slower 0-60?lil [Re: narcolepsy123456] #176678 May 12, 2:55pm May 12, 2:55pm
Joined: Oct 2003
Posts: 2,030
Orange County, Ca
RevMonster
Masta OC
2003 Toyota Celica
RevMonster
Masta OC
2003 Toyota Celica

Joined: Oct 2003
Posts: 2,030
Orange County, Ca
Maybe I'm just crazy, but if you get the right size tire for your new wheels... the speedo should only be off by fractions of a mph.


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Re: rim sizes /w false speedometer readings.also slower 0-60?lil [Re: RevMonster] #176679 May 12, 10:37pm May 12, 10:37pm
Joined: Apr 2004
Posts: 312
Jacksonville, FL
2kVeilsideGTS OP
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2kVeilsideGTS OP
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Posts: 312
Jacksonville, FL
good stuff:) tough call i love the look of 18" but i may go with 17" to save myself some money and some Performance

Re: rim sizes /w false speedometer readings.also slower 0-60?lil [Re: 2kVeilsideGTS] #176680 May 12, 10:48pm May 12, 10:48pm
Joined: Sep 2002
Posts: 3,030
Bay Area, CA
Erick
Bread Fishing..
2001 Toyota Celica GT
Erick
Bread Fishing..
2001 Toyota Celica GT

Joined: Sep 2002
Posts: 3,030
Bay Area, CA
try the calculator Gen7fan posted thumbsup


LNK
"you only need something when you know it exists..then it becomes a want"
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