16" rims/tires a waste of money & speedo problem - Team Camaro Tech
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post #1 of 12 (permalink) Old Oct 25th, 06, 04:20 PM Thread Starter
 
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Question 16" rims/tires a waste of money & speedo problem

I have a 1969 Camaro "Clone" Z-28 that I bought in May. Next spring, I am going to get some new tires as the front and rear tires are not the same brand. I have Torque Thrust II's on them with Michelins on the front and Goodyears on the back.
My question is, should I even mess with getting new tires, or should I sell them and buy a set of 17",18" or 20"?
The tread on the tires is really good, a little less on the rear , but I read somewhere that 16" tires are getting hard to find, and not as common anymore with the newer sizes that are readily available. I see that they are all about the same price.

Right now, my speedo is off. It says 75 when I'm running 55.
I have 205/55/16 on front and 235/55/16 on the back.
I am sure that the tire diameter is almost the same as the original according to the tire size site that I have seen posted here, so what is the deal?
Any suggestions, comments?
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post #2 of 12 (permalink) Old Oct 25th, 06, 05:44 PM
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Re: 16" rims/tires a waste of money & speedo problem

[QUOTE=ratbikeharley;
Right now, my speedo is off.



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post #3 of 12 (permalink) Old Oct 25th, 06, 05:46 PM
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Re: 16" rims/tires a waste of money & speedo problem

on the speedo, you need to change the gear on the end of the cable, in the trans. There are calculators that on the web that will figure it out. First you need to know what gears you have. Pull the "bullet out of the trans and count the teeth, then shine a flashlight in the trans and count those teeth "left to right" Once you know your current tooth count, get an accurate idea of the error, I usually run ten miles worth of highway mile markers at as close to 60 as I can hold it, time it for ten miles, then divide total time by ten. At 60, 1 mile s/b 1 minute. Then use a calc to figure out what gear to get on the end of the speedo cable, knowing what gear is on the trans.

As for tires and wheels, up to you what look you want and what you want to spend. There is still a good selection of 16" tires available in that size range, though you could go up a couple sizes on both ends.





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post #4 of 12 (permalink) Old Oct 25th, 06, 08:32 PM
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Re: 16" rims/tires a waste of money & speedo problem

Them is awfully short front tires....

Scott from NJ. Stay thirsty, my friends


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post #5 of 12 (permalink) Old Oct 25th, 06, 09:08 PM
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Re: 16" rims/tires a waste of money & speedo problem

I agree. The front tire size is small. P 205/55/R16 was O.E. on Eagle Talon's & Mitsubishi Eclipe's and even Pontaic Gram Am GT's in the mid 1990's. P 235/55/R16 was O.E. on alot of RS Camaro's in 1990 & 1991. They were also used on V6 Camaro's in the mid to late 1990's. That tire was a Goodyear Eagle GSA.

You should be able to run P 245/50R16 on your car. But you need to measure wheel size, back spacing, clearance, etc. Get a tape measure and write these down. I've seen guys run P275/40/17 on the rear which was O.E.M on Corvette's in the 1990's.

16's are still plentiful, new or used. It's the 15's that are very hard to find. You can forget about 14's..

Good Luck!!

P.S. Sixteens will probabaly cost you less money in tires as well. There were a billion Camaro's & Firebird's that used P245/50R16 from 1985-well into the late 1990's.
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post #6 of 12 (permalink) Old Oct 26th, 06, 05:07 AM
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Re: 16" rims/tires a waste of money & speedo problem

i was interested in ordering rims and tires as well and when i asked about 16 vs 17's, i was told the same thing. tires for 16's are very limited.
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post #7 of 12 (permalink) Old Oct 26th, 06, 07:02 AM
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Re: 16" rims/tires a waste of money & speedo problem

Goodyear supplied the O.E.M. tires for 16's. They still make them. These are readily available. Here is a link for you. There are 4 different types of tires available in this size. http://www.goodyeartires.com/goodyea...=77&image.y=18


No I don't work for Goodyear or any other tire/auto service dealer or business at this time. I did work in that field until about 8 or 9 years ago. Goodyear tires have always had a good name. Personally I liked the Eagle GSC. That was what the Corvette's came with first and the Z28 Camaro starting using these later on. I believe the Eagle RSA replaced the GS-A which is what non Z28's used in the 1990's.

If you like 17's or 18's go for it!! But I can tell you 17's & 18's will cost more money. If you ever blow out a tire there are a lot of used P245/50/R16's lying around. I know that because I saw some where I used to work when I went looking for tires on my 1969 about 2 months ago.

If you are looking for 17's try this link. http://www.goodyeartires.com/goodyea...=82&image.y=18

There are only 2 different types of tires available in P 275/40/R17. I've seen those on Pontiac Firehawk (Firebirds)

Kelly makes P245/50/R16's. They are good tires. They are also less expensive than Goodyear's. There are two available. The Charger TR is the one I would recommend for your car. http://www.kellytires.com/kellytires...rimdiameter=16


On 17" sizes there is only one available in a P275/40/R17

http://www.kellytires.com/kellytires...rimdiameter=17


I also like Dunlop's. You can find P245/50 R16's here This tire retails for $139.95 which isn't bad. http://www.dunloptires.com/dunlop/results_size.jsp


Now go look at a 17" tire in a P 275/40/R17. You won't see one listed at under $250 and the high end model is $362.95 http://www.dunloptires.com/dunlop/results_size.jsp



Bottom Line: Don't let some tire salesman talk you into something or another thing. I was very successful in that business whether I worked for a new car dealer, Goodyear, Firestone, Kelly dealers etc. etc. etc. I always did what was best for my customers and what their budget could afford. I'm telling you P 245/50/R16's are plentiful. Tire manufactures realize this and there are a billion Camaros & Firebirds out there today made from 1985 until maybe even 2002 out there running these sizes. The 4th gen Z28's in the 1990's ran that size. Tire manufactures will cater to this market for several years to come. It's the OE tires on Z28's from the 1970's until about 1984 or 1985 that run P 215/65/R15 as OE and want P 235/60/R15 that is like a needle in a hay stack today. Most new cars today run 16's, 17's & 18's.

Lastly I am old school. My first 1969 had 14" Rally's which today is like trying to find a diamond mine in your back yard. Same goes for the P 235/60R15's I run on my current 1969. The 16" tires will cost you much less that 17's or 18's and they will still look great. Just remember to check backspacing, and ALL clearances. Measure, Measure, Measure. It's a lot easier for a tire & wheel place to return a wheel that hasn't been mounted on your car than a tire/wheel combo that has been driven and returned because they rub.

P.S. Yes I made commission doing that as well. I.M.H.O your wallet will be much happier with P 245/50/R16 than a 17 or 18 combo. Just being honest as always.

Good Luck!!

Last edited by South Side Goons & Hitmen; Oct 26th, 06 at 07:05 AM. Reason: 17's
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post #8 of 12 (permalink) Old Oct 26th, 06, 12:50 PM
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Re: 16" rims/tires a waste of money & speedo problem

I've got Vintage Wheel Works 16" all the way around.
2" drop in the front (500lb springs) 225/50-16 and Hotchkis 1 1/2 drop multileafs in the back. 245/50-16 BFG KDWS. Think that's about as big as I can go without tubbing. But the 245's grab REAL good
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post #9 of 12 (permalink) Old Oct 26th, 06, 01:50 PM
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Re: 16" rims/tires a waste of money & speedo problem

Here is the $64 question set

*Do you want white lettered tires?
…Yes: 15s (or even 14s)
…No: next question
……*How important is handling? (given that any tire made today will out handle tires of even 10 years ago):
………Not really, just want solid tire: 15s or 16s
………*Yes: next question
…………Are you Vette hunting?
……………No: 16s or 17s
……………Yes: 17s or more, and spend giant $$ on the suspension and brakes to make it worth while.

Another thought is what brakes do you want to run – bigger brakes mean bigger wheels.

Personally, I like tires around 26” tall on these cars, +/- .5”

Tire Size...... OD... Rim Width
215/65R15.... 26... 6.0 - 7.5
225/60R15.... 25.6. 6.0 - 8.0
235/60R15.... 26.1. 6.5 - 8.5
215/60R16.... 26.1. 6.0 - 7.5
225/55R16.... 25.8. 6.0 - 8.0
235/55R16.... 26.1. 6.5 - 8.5
245/50R16.... 25.7. 7.0 - 8.5
255/50R16.... 26.1. 7.0 - 9.0
225/50R17.... 25.9. 6.0 - 8.0
235/50R17.... 26.3. 6.5 - 8.5
245/45R17.... 25.7. 7.5 - 9.0
255/45R17.... 26.1. 8.0 - 9.5
275/40R17.... 25.8. 9.0 - 11.0
285/40R17.... 26.1. 9.5 - 11.0
315/35R17.... 25.8. 10.5 - 12.5
335/35R17.... 26.1. 11.0 - 13.0


Just my $.14

Scott from NJ. Stay thirsty, my friends


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post #10 of 12 (permalink) Old Oct 26th, 06, 03:31 PM
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Re: 16" rims/tires a waste of money & speedo problem

I just really don't want to know about any guy on here's "Speedo" problems....

Christropher

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post #11 of 12 (permalink) Old Oct 26th, 06, 04:01 PM
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Re: 16" rims/tires a waste of money & speedo problem

Bonzo,

Great post!! I could not have said it better myself. Man I remember back in the day when the "new" Corvette first apepared in 1984. At that time it was lets shock the world, gasp, the car had P 255/50/R16. Too bad the 1984 'vette had the carry over junk @$$ Crossfire Injection in it. It was in 1985 that the TPI engine appeared. I think 1985 is also when they went from V rating to Z rating on tires. Then the ZR1 Vette I believe was the first to offer P315/35/R17 tires.

I think I have seen all the sizes you listed on a Camaro of some type at one time or another. I like white letter tires on vintage muscle cars. I rest my case.

P.S. Like you said 17's & 18's on a first gen Camaro mean big $$$ in many areas.
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post #12 of 12 (permalink) Old Oct 26th, 06, 05:21 PM
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Re: 16" rims/tires a waste of money & speedo problem

Quote:
Originally Posted by clwilcox33 View Post
I just really don't want to know about any guy on here's "Speedo" problems....
especially when they are off

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