tom13
Part of things
Posts: 571
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Hi Guys,
I'm running 15inch Panasport alloys on my MX5 with random tyres all round. I think they are pretty old and are a mix of branded and non brand.
If I went to a set of standard OEM 14 alloys with some Uniroyal rainsport tyres on am I going to notice a huge difference in performace. I have see some for sale cheap and I'm thinking of buying them to try.
Cheers
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MiataMark
Club Retro Rides Member
Posts: 2,971
Club RR Member Number: 29
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Tyre differencesMiataMark
@garra
Club Retro Rides Member 29
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I would think yes it will be an improvement.
I went the other way, 14" with a selection of tyres to 15" with new mid-range tyres. Massive improvement but but as much fun, not as easy to provoke oversteer.
Depends how cheap the 14's are, otherwise I'd say buy a set of new tyres for the 15's, should be able to get a reasonable set for <£200. I do keep thinking about getting a set of tyres for the 14's and going back to them, but then I'd get sidetracked into refurbing the wheels etc.
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1990 Mazda MX-52012 BMW 118i (170bhp) - white appliance 2011 Land Rover Freelander 2 TD4 2003 Land Rover Discovery II TD52007 Alfa Romeo 159 Sportwagon JTDm
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g40jon
Posted a lot
Posts: 2,569
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Why not just put good tyres on the panasports? 195/50r15s aren't exactly expensive.
Speaking from experience, I have found little difference between tyres on my mx5 (bog std 1.6 115bhp) be it 14 or 15".
Over the years I have run all sorts of combos on mine and for general driving, there isn't much between them. OK if you are doing track days, then you will probably notice differences a little more.
I would suggest quality suspension and the suspension alignment is far more important. 5s are fussy about alignment and well aligned they handle pretty well even on hard old rubber.
I found a huge improvement in handling, going from having and open diff to a torsen LSD and fresh non-sagging springs and dampers.
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tom13
Part of things
Posts: 571
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The wheels are like 50quid with near new tyres on. I prefer 15s but thwy are a good deal. Its running cheap coilovers which arent too bad. I think a big upgrade for me would be a polybush kit as i think a bitnof the roll I'm getting ia attributed to that.
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MiataMark
Club Retro Rides Member
Posts: 2,971
Club RR Member Number: 29
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Tyre differencesMiataMark
@garra
Club Retro Rides Member 29
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The wheels are like 50quid with near new tyres on. I prefer 15s but thwy are a good deal. Its running cheap coilovers which arent too bad. I think a big upgrade for me would be a polybush kit as i think a bitnof the roll I'm getting ia attributed to that. For a cheap second set of wheels that sounds like a good deal and gives you the benefit of choice. I had a chat with somebody who builds race MX5's and his advice was not to get polybushes, his reasoning is that the bit of extra 'give' was beneficial. His racer still had original bushes in it. I think the IL Motorpsort bushes would be a good compromise. There are also stories about cheap polybushes seizing and breaking suspension. |
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Last Edit: Apr 6, 2017 11:17:32 GMT by MiataMark
1990 Mazda MX-52012 BMW 118i (170bhp) - white appliance 2011 Land Rover Freelander 2 TD4 2003 Land Rover Discovery II TD52007 Alfa Romeo 159 Sportwagon JTDm
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tom13
Part of things
Posts: 571
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Thanks Mark.
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I rate uniroyal rainsports. Really good tyre on pretty much anything i put it on, including a 260 brake 330d.
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ChasR
RR Helper
motivation
Posts: 10,309
Club RR Member Number: 170
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Tyre differencesChasR
@chasr
Club Retro Rides Member 170
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Apr 10, 2017 17:12:19 GMT
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Compared to budgets Uniroyal Rainsport 3s are good. Compared to something a little more expensive they are not as good as people would have you believe. But from shot & old tyres yes you will notice the difference  . If your shoes I'd consider the Goodyear EfficientGrip Performance ; I had the 14" versions on my MX-5 and they were great . |
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jamesd1972
Club Retro Rides Member
Posts: 2,922 
Club RR Member Number: 40
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Tyre differencesjamesd1972
@jamesd1972
Club Retro Rides Member 40
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Apr 11, 2017 20:42:40 GMT
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I have a thing about mis-matched / old tyres - tyres are very cheap compared to stuffing it or hitting some poor soul.
Bad experiences in my old Scooby do on inherited budget tyres and bacon saved by eagle F1's on E36 328 touring kind of convinced me on this !
On my old MK 2 MX5 it looked worse but was way more fun / predictable on the set of steel 14's I got cheap to put on for the winter rather than the 15's so I would say go for it just to try at that price. As I understand it the sidewall flex / movement is what you can feel at the limit so more sidewall = more progressive.
Tyre ratings for any new tyre give a pretty good insight into how a tyre behaves ratings for wet / dry grip etc are pretty self explanatory and give an informed decision. I use Openo / Asda Tyres / Black circles as there are some serious good buys out there if you hunt about - just watch they are not too old and the fitting is available locally.
I would avoid a very open tread block on the back if you are into giving it death as you can loose chunks from the inner edges apparently don't ask me how I know this...
Hope this helps
James
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g40jon
Posted a lot
Posts: 2,569
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I have a thing about mis-matched / old tyres - tyres are very cheap compared to stuffing it or hitting some poor soul. Bad experiences in my old Scooby do on inherited budget tyres and bacon saved by eagle F1's on E36 328 touring kind of convinced me on this ! Hope this helps James This is an interesting point. I recently put my bmw 318is in for an mot which it passed, however the handling was frankly dubious at best. Something didn't feel right. The rear tyres were a matched pair, but the fronts (due to my mate not getting round to doing them) were still running a mixed pair of tyres with legal tread. One was a runflat with directional v tread and the other was a runflat with a different non v tread. The car would react in a very odd way on bumpy roads and changes in surfaces. The handling was so wrong I swapped the wheels for a pair borrowed from another friend, whilst I got my front pair changed and the problem went away. The car is now on 4 match tyres and a world better for it. All 3 of my cars are on matched tyres now |
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ChasR
RR Helper
motivation
Posts: 10,309
Club RR Member Number: 170
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Tyre differencesChasR
@chasr
Club Retro Rides Member 170
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I have a thing about mis-matched / old tyres - tyres are very cheap compared to stuffing it or hitting some poor soul. Bad experiences in my old Scooby do on inherited budget tyres and bacon saved by eagle F1's on E36 328 touring kind of convinced me on this ! Hope this helps James This is an interesting point. I recently put my bmw 318is in for an mot which it passed, however the handling was frankly dubious at best. Something didn't feel right. The rear tyres were a matched pair, but the fronts (due to my mate not getting round to doing them) were still running a mixed pair of tyres with legal tread. One was a runflat with directional v tread and the other was a runflat with a different non v tread. The car would react in a very odd way on bumpy roads and changes in surfaces. The handling was so wrong I swapped the wheels for a pair borrowed from another friend, whilst I got my front pair changed and the problem went away. The car is now on 4 match tyres and a world better for it. All 3 of my cars are on matched tyres now Snap. Are you sure the car wasn't a 2000 E46 328i Touring? I say this as my mate bought one recently and I was the lucky guy who drove it back. I say lucky as the damn thing was lethal to drive! Despite the tyres being legal it wonders all over the place and the rear end is looser than a sorority girl trying to make a name for herself. Honestly, there is a corner I know quite well and I've taken it in all sort of cars. My M3 is fine with it. This 328i? Where my friend went through it swiftly without a hitch in his new Ibiza I was drifting unintentionally through it. It was interesting driving the car back 100 miles. Even leaving the petrol forecourt at Beaconsfield had the ASC light flashing like mental. I remember I took him out in my M3 on some local roads and we were joking how planted the rear end of my car was and I wasn't exactly being gentle! What tyres is this wonderful beast on? -On the front it's shod with a Bridgestone RFT and a Dunlop RFT mounted inside out. ; Yup, I don't even think they were out then... -The rear is on 10 year old budgets ; they have enough tread on but Jesus I've had MUCH safer tyres with 2mm on. Seriously. People joke about nuns and kittens but unless you enjoy a tailback behind you with the car doing around 20MPH this car is lethal in the wet. OTOH it is a budget drifter's dream I'm sure. It's not the first time I've had this problem and TBH I should have known better in past but I was also tight for the wrong reasons. It's one reason I am very funny on buying Part-Worns now and TBH I am probably too fussy. I use this guide to go by : theleylandlegends.wordpress.com/2017/02/23/part-worn-tyres-to-be-avoided-like-the-plague/theleylandlegends.wordpress.com/2017/03/20/440/ |
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Last Edit: Apr 12, 2017 6:34:23 GMT by ChasR
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