I'm so close on my rebuild of my Fiero. It hasn't been on the road for 6 years. I've got the engine & tranny all done and installed and it runs and everything. Just one coolant leak to find. Coolant is showing up dripping off the front left corner of the cradle below where the water pump is. I need to get it on the lift and get in there with an inspection mirror. Just threw that out there for ideas. Now the real post. Stock tire size as listed in my owners manual is P185/80R13. I live in a remote area in Utah, called two tire shops in Vernal and neither one had that size. I had one really start searching and they can't find that size from any of the major manufacturers. I ended up ordering a set of 70's 'cuz that seemed to be a little more common. Anybody got the story as to what happened to our stock tire size? A link? A source possibly for the next set?
I know I've read alot of threads about tires and rims, but not anything about this specific size.
Thanks guys.
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03:50 PM
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Old Lar Member
Posts: 13798 From: Palm Bay, Florida Registered: Nov 1999
With respect to Old Lar, I'm not sure "Trailer Service" tires would be OK for a car. The 70 series tires will be fine I doubt anyone could tell the difference by driving. 80 series tires are obviously way out of fashion.
If you are going for a Concours resto, and simply must have 185/80-13 tires, Coker has them.
My '84 2M4 left the factory on a set of 215/60R14s, and I had no trouble getting one from the Big-O Tire store in Vernal. Check your door sticker, not the stupid owner's manual.
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06:28 PM
Damelectrician Member
Posts: 14 From: Daggett County, Utah Registered: Oct 2001
Door sticker matches owner's manual in this case. Even tires on the car were the spec size, but they are way too far gone. I won't even drive it to the tire store (42 miles)!! Going on a flatbed for new tires and alignment when the tires get here.
Yeah, the whitewalls and price on the coker's might be a bit much!
I was able to find the trailer tires but somehow, I don't think they would work out!!
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07:35 PM
johnt671 Member
Posts: 2271 From: sugarloaf pa usa Registered: Feb 2001
I went on the Walmart website and they got the rare 215/60R14's through BFgoodrich. They can ship to my local Walmart and they are pretty cheap. Try that.
------------------ 84 Duke, Holley TBI, Manual Trans 4.10, CompuCam, White
I have 70s on one of my 84s, and tho they are fine for everyday use, and more common than the 215/60R14's , they look crappy imo. I know the little owners manual says 13's, but I've never actually seen an 84 with 13" wheels, and I've owned 4 of them. Perhaps on bare bones the econo sport?
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02:08 PM
josef644 Member
Posts: 6939 From: Dickinson, Texas USA Registered: Nov 2006
Don the "Turbine" wheels were 13's, and some of the steel wheels were 13's also. I liked the look of the turbines, but didn't want to mess with the small 13" tires. Joe
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06:05 PM
White 84 SE Member
Posts: 812 From: Chicago, Illinois USA Registered: Nov 2008
Don the "Turbine" wheels were 13's, and some of the steel wheels were 13's also. I liked the look of the turbines, but didn't want to mess with the small 13" tires. Joe
You dont mean the turbo alloy wheels....mine are 14".
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09:56 PM
White 84 SE Member
Posts: 812 From: Chicago, Illinois USA Registered: Nov 2008
I have 70s on one of my 84s, and tho they are fine for everyday use, and more common than the 215/60R14's , they look crappy imo. I know the little owners manual says 13's, but I've never actually seen an 84 with 13" wheels, and I've owned 4 of them. Perhaps on bare bones the econo sport?
You got 70s on your 14" alloys? That can be done? Are they grippier in wet weather?
------------------ 84 Duke, Holley TBI, Manual Trans 4.10, CompuCam, White
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09:57 PM
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josef644 Member
Posts: 6939 From: Dickinson, Texas USA Registered: Nov 2006
You dont mean the turbo alloy wheels....mine are 14".
If you have 14" alloy wheels, they were the standard Pontiac Ralley wheels and are not the Turbine ones. The turbine wheels look like the turbine inside a jet engine. Example of standard Pontiac Ralley :
An example of the 13"turbine wheels is posted below by TopNotch. Just look at the next post.
[This message has been edited by josef644 (edited 10-18-2009).]
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10:08 PM
TopNotch Member
Posts: 3537 From: Lawrenceville, GA USA Registered: Feb 2009
Originally posted by maryjane: I know the little owners manual says 13's, but I've never actually seen an 84 with 13" wheels, and I've owned 4 of them. Perhaps on bare bones the econo sport?
Here is a picture of an 84 Fiero with 13" "turbine" wheels on it.
You got 70s on your 14" alloys? That can be done? Are they grippier in wet weather?
No they are not. That shouldn't affect grip. That "70" is the # given for the sidewall "height". And remember, that # isn't a specific value--it's % of the tire width, and is called the sidewall aspect ratio I believe. for instance, a tire stamped 195/70r/14 means the sidewall height from the rim to the tread is 70% of whatever the cross section of the tire is at it's widest point.
[This message has been edited by maryjane (edited 10-18-2009).]
I think Damelectrician's problem is that he HAS 13" rims, and isn't interested in upgrading to 14". If I'm wrong, please let me know.
Wouldn't it be cheaper to take the wheels off and bring them to the tire store for new tires? Then you could drive it to the alignment shop. Unless you're flatbed is owned by a friend, you might save enought to upgrade to 14's.
215= cross section width, in millimeters; 60= sidewall, tread to bead, is 60% of 215 mm. If you go way taller, you can increase the contact patch, but usually people go slightly wider to achieve this. 195/70R14 will work, and be close to same overall height, so speedo. and odo. will be pretty accurate, but you'll loose a small bit in contact patch. For a better selection, try 205/60R14. If you choose a performance or touring tire, the tread width will almost meet cross section width (which is measured sidewall to sidewall, unloaded). Will be very slightly shorter, but contact patch should be near identical. I think it's the way I'm going to go.
------------------ '84 Sport Coupe (third time's a charm?)
[This message has been edited by JohnyGt67 (edited 10-19-2009).]
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01:16 PM
Damelectrician Member
Posts: 14 From: Daggett County, Utah Registered: Oct 2001
I do have the turbine wheels. Heck I didn't know they had a name!! They are 13" and at this point, I'm trying to get the car on the road without too much additional cost. I did just finish a complete engine and transmission overhaul. We'll see how it goes, I built it as a daily driver. Maybe I'll have reason to upgrade later. Or maybe I'll want a V-6 car... The fun is just beginning!!
Flatbed IS actually owned by a friend, so N/C on the tow! You are right, I would just order the tires and mount 'em (I have access to mounting & balancing equipment). And drive it to town for the alignment.
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01:25 PM
White 84 SE Member
Posts: 812 From: Chicago, Illinois USA Registered: Nov 2008
If you have 14" alloy wheels, they were the standard Pontiac Ralley wheels and are not the Turbine ones. The turbine wheels look like the turbine inside a jet engine. Example of standard Pontiac Ralley :
An example of the 13"turbine wheels is posted below by TopNotch. Just look at the next post.
Ah thanks for that!
------------------ 84 Duke, Holley TBI, Manual Trans 4.10, CompuCam, White
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06:10 PM
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White 84 SE Member
Posts: 812 From: Chicago, Illinois USA Registered: Nov 2008
I would think the 13"ers would get a little better torque.
When I first got my 84 it had the steel wheels on it and the seller had the alloys yet to be put on. When I did switch I remember the steel ones were smaller and thinner and they held better on a slippery road. All this seems contrary to theory. It seemed like a smaller foot print put more weight on a smaller area thus giving better traction. The touring tires on the rallys are flatter and they seem to be"slicker" such that the weight of the little car is spread out and nowhere is there much traction.
------------------ 84 Duke, Holley TBI, Manual Trans 4.10, CompuCam, White
[This message has been edited by White 84 SE (edited 10-19-2009).]
That's what's on my old daily driver--all 4 wheels. It looked crappy, (appeared tall & skinny) but handled well. I had them put on, because I was about to leave on a trip, and couldn't find the 215/60s locally.
quote
For a better selection, try 205/60R14.
Is that a more common (easier to find) tire than 215/60R/14?
Is that a more common (easier to find) tire than 215/60R/14?
Well, a quick check of TheTireRack.com, shows 2 tires in the 215, 4 in 205. 195/70 is even more common. My personal and subjective opinion, everything else (such as speed rating and compound) being similar, is that wider is better. I'd rather give up only 10 mm as opposed to 20. If we're only talking about 10mm, it's more easily made up by a touring or performance tire. As the tread width could be wider on the narrower touring tire than a wider non-touring all season tire. At 20mm, you'd still be losing something in tread width.
------------------ '84 Sport Coupe (third time's a charm?)
[This message has been edited by JohnyGt67 (edited 10-19-2009).]
Well, a quick check of TheTireRack.com, shows 2 tires in the 215, 4 in 205. 195/70 is even more common. My personal and subjective opinion, everything else (such as speed rating and compound) being similar, is that wider is better. I'd rather give up only 10 mm as opposed to 20. If we're only talking about 10mm, it's more easily made up by a touring or performance tire. As the tread width could be wider on the narrower touring tire than a wider non-touring all season tire. At 20mm, you'd still be losing something in tread width.
I agree about "wider=better",----and----imo-- they look better. I'm not an aggressive driver any more, but I do drive a lot on wet, poorly drained, and poorly maintained roads.
[This message has been edited by maryjane (edited 10-19-2009).]
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11:56 PM
Oct 20th, 2009
Isolde Member
Posts: 2504 From: North Logan, Utah, USA Registered: May 2008
You might consider how the car will look with your choice of tire. Anything other than a 215/60R15 ( 25.16" overall dia.) just doesn't fill the front wheel well right, and looks stupid. On the rear you need a 235/60R15 ( 26.10") to look right. Do NOT try BFGoodrich Radial T/As on the rear of a Fiero, these tires are only good with double-A-arm suspensions, NOT strut-style. Damn shame, too, because they're so good in snow.
I'll see if I can find a picture of my silver 84 with the 195/70s on it. You are correct--the tires just look goofy, with too much height for their width, and still do a poor job of filling wheel well. They ride just so-so.
60 mph indicated=57.7 mph actual. I don't think it'll look good. Would probably be okay, if compound softer to make up for loss in contact patch size (narrower+shorter=measurably smaller patch).
------------------ '84 Sport Coupe (third time's a charm?)
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10:03 PM
LitebulbwithaFiero Member
Posts: 3381 From: LaSalle, Michigan Registered: Jun 2008
60 mph indicated=57.7 mph actual. I don't think it'll look good. Would probably be okay, if compound softer to make up for loss in contact patch size (narrower+shorter=measurably smaller patch).
They are the same size I already got on there. Mine are bald and I am cheap, so they are likely what I will get. Also only need 2 tires, so going with the same size so it doesn't look like a hoopty. I agree though, tire is way too small for the wheel opening. But I disagree with the traction problem. Gets good traction now (at least I have never been at a loss of traction) and skinner tires help in the snow too.
Speedo being off in that direction will help me out also
[This message has been edited by LitebulbwithaFiero (edited 10-20-2009).]