Classic cars forum & vehicle restoration.
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Rootes75
Joined: 30 Apr 2013
Posts: 4175
Location: The Somerset Levels
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 Posted: Fri Mar 14, 2025 10:41 am Post subject: |
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I think I'm going to look into the price for both options and go from there.
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Various Rootes Vehicles. |
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lowdrag
Joined: 10 Apr 2009
Posts: 1600
Location: Le Mans
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| Posted: Fri Mar 14, 2025 2:54 pm Post subject: |
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Apologies if this company has been mentioned above, but on the D-types and XKSS I have had I always used Blockley tyres, since thy were correct for the age of the cars, even ikf they were replicas. So seeing that 550 x 15 were being sought, I looked them up and hey presto here they are, I always found for my cars (650 x 16) they were far cheaper than other brands and as well has giving good grip lasted well too.
https://www.blockleytyre.com/product/550-x-15
Hope this is useful |
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Crashbox
Joined: 30 Apr 2021
Posts: 148
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| Posted: Fri Mar 14, 2025 8:45 pm Post subject: |
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I use Blockley (3.50x19s) on my 1932 Morris Minor. They're good.
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1989 2CV
1932 Morris Minor S.V. Two-Seater |
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ukdave2002
Joined: 23 Nov 2007
Posts: 4242
Location: South Cheshire
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| Posted: Sat Mar 15, 2025 5:26 pm Post subject: |
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| Rick wrote: | I have heard of steel wheels suffering stress cracks when cars have been swapped from crossply to radial tyres, presumably due to increased grip/cornering speeds, so that's always made me a little wary
RJ |
Frankly, I doubt if a move from X-ply to radial could increase load a wheel stress by more than 20%, this increase should be well within any original design spec tolerance.
Dave |
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Bitumen Boy
Joined: 26 Jan 2012
Posts: 1763
Location: Above the snow line in old Monmouthshire
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| Posted: Sat Mar 15, 2025 9:03 pm Post subject: |
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| ukdave2002 wrote: | | Rick wrote: | I have heard of steel wheels suffering stress cracks when cars have been swapped from crossply to radial tyres, presumably due to increased grip/cornering speeds, so that's always made me a little wary
RJ |
Frankly, I doubt if a move from X-ply to radial could increase load a wheel stress by more than 20%, this increase should be well within any original design spec tolerance.
Dave |
There's always the possibility that people have been not just fitting radials of equivalent size to the original crossplies, but radials which are significantly wider than the original crossplies. How many times have you read articles on old cars where wider tyres than standard are being recommended for little more reason than that there's space to fit them? Just because a tyre doesn't rub on anything doesn't mean it's not too big. |
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lowdrag
Joined: 10 Apr 2009
Posts: 1600
Location: Le Mans
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| Posted: Sat Mar 15, 2025 9:42 pm Post subject: |
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| With my E-type it ran on Dunlop R4 crossplies as a new car. I continued to use them after i bought it but they are no longer made now so I tried different radials, all standard 185/15's and have since 2011 used Blockley for the car. I have seen so many people buying 205/15 "because they look better", but they haven't thought before buying that they need to remove the bumps stops on the rear of the car. Years back a friend fitted larger tyres to his VW Jetta only to find that the spare would only fit in the boot if the tyre was deflated. It takes all kinds I guess. |
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Ray White
Joined: 02 Dec 2014
Posts: 7140
Location: Derby
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| Posted: Sat Mar 15, 2025 10:55 pm Post subject: |
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[quote="lowdragYears back a friend fitted larger tyres to his VW Jetta only to find that the spare would only fit in the boot if the tyre was deflated. It takes all kinds I guess.[/quote]
 Very funny.
Gave me a chuckle anyway! |
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ukdave2002
Joined: 23 Nov 2007
Posts: 4242
Location: South Cheshire
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| Posted: Sun Mar 16, 2025 5:33 am Post subject: |
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| Ray White wrote: | [quote="lowdragYears back a friend fitted larger tyres to his VW Jetta only to find that the spare would only fit in the boot if the tyre was deflated. It takes all kinds I guess.
Very funny.
Gave me a chuckle anyway! |
I used to have a 911 where a deflated spare was standard from new! |
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Ray White
Joined: 02 Dec 2014
Posts: 7140
Location: Derby
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| Posted: Sun Mar 16, 2025 12:17 pm Post subject: |
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| ukdave2002 wrote: | | Ray White wrote: | [quote="lowdragYears back a friend fitted larger tyres to his VW Jetta only to find that the spare would only fit in the boot if the tyre was deflated. It takes all kinds I guess.
Very funny.
Gave me a chuckle anyway! |
I used to have a 911 where a deflated spare was standard from new! |
Regardless of the flat spare; what was the 911 like? Would you have another one? |
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ukdave2002
Joined: 23 Nov 2007
Posts: 4242
Location: South Cheshire
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| Posted: Sun Mar 16, 2025 4:07 pm Post subject: |
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| Ray White wrote: | | ukdave2002 wrote: | | Ray White wrote: | [quote="lowdragYears back a friend fitted larger tyres to his VW Jetta only to find that the spare would only fit in the boot if the tyre was deflated. It takes all kinds I guess.
Very funny.
Gave me a chuckle anyway! |
I used to have a 911 where a deflated spare was standard from new! |
Regardless of the flat spare; what was the 911 like? Would you have another one? |
I had a 1982 SC Sports coupe in metallic blue, K-jetronic fuel injection, no electronics or abs etc, it was like driving a big go kart, could be scary in the wet, not so much the backend coming out, but easy to lock the front brakes on a wet road. Although I had it maintained by a local garage it is quite a diy friendly car, you could get the engine out in a hour, handy as it did like to use clutches! They lasted about 40k!
I sold it about 25 years ago when it was just a old 911, I really wish that I had kept it, it was fun to drive, and a car that could be maintained at home, but it was getting to the stage where the bodywork was starting to rust, and I?d imagine that if it?s still around it would have had a restoration. I would love another one, but they fetch silly money, minimum 40k, you could get a much newer one for less than half the price, but it?s the raw go kart drive that I miss. |
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Ray White
Joined: 02 Dec 2014
Posts: 7140
Location: Derby
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| Posted: Sun Mar 16, 2025 7:10 pm Post subject: |
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| Are the later cars safer? |
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alastairq
Joined: 14 Oct 2016
Posts: 2121
Location: East Yorkshire
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| Posted: Mon Mar 17, 2025 9:31 am Post subject: |
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| Ray White wrote: | | Are the later cars safer? |
As with everything, the 'safety' aspect really depends on the driver, not the vehicle.
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Dellow Mk2, 1951 built, reg 1952.
Fiat 126 BIS
Cannon special [1996 registered. Built in 1950's]
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Ford Pop chassis, Ashley 1172 bodyshell, in pieces. |
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MikeEdwards
Joined: 25 May 2011
Posts: 2713
Location: South Cheshire
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| Posted: Mon Mar 17, 2025 9:40 am Post subject: |
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| ukdave2002 wrote: | | Ray White wrote: | | lowdrag wrote: | | Years back a friend fitted larger tyres to his VW Jetta only to find that the spare would only fit in the boot if the tyre was deflated. It takes all kinds I guess. |
Very funny.
Gave me a chuckle anyway! |
I used to have a 911 where a deflated spare was standard from new! |
My TT has a space-saver spare because that's all that will go in the space under the boot. If you have a puncture, the handbook says to "place the wheel in the luggage compartment", except that there's no way to fit it in there and still close the bootlid. Maybe if I remove all the trim on the side of the road, but then I have to find somewhere to put all the trim.
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1976 Vauxhall HP Firenza, 1976 Vauxhall Sportshatch (x2), 1986 Audi coupe quattro, 2000 Audi TT |
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ukdave2002
Joined: 23 Nov 2007
Posts: 4242
Location: South Cheshire
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| Posted: Mon Mar 17, 2025 10:39 am Post subject: |
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| Ray White wrote: | | Are the later cars safer? |
The later cars have more safety features, ABS, traction control, airbags etc, so the answer has to be yes. As I mention before, on my car it was easy to lock the front brakes, all the weight is at the back so if you had to brake hard (in the wet especially) things could get a bit twitchy! |
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Rick
Site Admin
Joined: 27 Apr 2005
Posts: 22790
Location: UK
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| Posted: Mon Mar 17, 2025 10:50 am Post subject: |
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| ukdave2002 wrote: | | Rick wrote: | I have heard of steel wheels suffering stress cracks when cars have been swapped from crossply to radial tyres, presumably due to increased grip/cornering speeds, so that's always made me a little wary
RJ |
Frankly, I doubt if a move from X-ply to radial could increase load a wheel stress by more than 20%, this increase should be well within any original design spec tolerance.
Dave |
I remember reading and seeing photos some years back, apparently some BMC cars were a bit marginal at the best of times when it came to the strength of their wheels. I imagine driving style might have a part to play.
https://board.mmoc.org.uk/viewtopic.php?t=56121
RJ
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