Lotus Elan

A proper period sports car tyre in the size 145HR13

PostPost by: dougal cawley » Mon Mar 19, 2018 5:05 pm

Hi

My apologies for the blatant commercial posting However i thoughtt you chaps would be pleased to hear, what can only be considered good news. Pirelli have started to make a 145HR13 Cinturato https://www.longstonetyres.co.uk/catalo ... gory/2618/ again. which is the best tyre for your early cars.

I wonder if you know what tyres Lotus fitted in period? If there is and pictorial evidence that you could post, so i could use it for my web site that would be a great help.
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PostPost by: martinbrowning » Mon Mar 19, 2018 5:56 pm

Hi Dougal,
The Lotus workshop manuals for both my Sprint and Plus 2 list these tyres:
Firestone F100 tubeless
Goodyear G800 with tubes
Dunlop SP Sport with tubes

I use the Dunlops on both of my cars because they "look right" and keep the cars in original spec. Maybe modern tyres are better but, then again, I probably drive less than 200 miles per annum in either.

Just my humble input!

Martin B
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72 Europa Special, 72 Sprint, 72 Plus 2
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PostPost by: Fred Talmadge » Mon Mar 19, 2018 8:02 pm

Were radial tires available in 1965? I thought standard issue was bias plys.
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PostPost by: prezoom » Mon Mar 19, 2018 9:40 pm

Not sure about sizes, but I ran Michelin X on my Chevy II wagon, starting in 63 or 64. Yes, they were 13's. Used it as a tow car for my S7 starting in 65.
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PostPost by: Davidb » Tue Mar 20, 2018 12:36 am

Radial ply tires appeared in Europe and the UK in the early/mid fifties-first made by Michelin and then by Pirelli. The US started using them in the late seventies.

edited.
Last edited by Davidb on Tue Mar 20, 2018 1:33 am, edited 1 time in total.
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PostPost by: The Veg » Tue Mar 20, 2018 1:00 am

We had them earlier than that. I was only a kid, but I remember the word 'radial' used often in tire-ads back in the '70s.
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PostPost by: Davidb » Tue Mar 20, 2018 1:29 am

Oops! sorry meant seventies! :(
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PostPost by: RogerFrench » Tue Mar 20, 2018 11:16 am

Being an Ancient Briton, I remember when Pirelli radials were called Cintura. The to came later, in the early 60s.
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PostPost by: Craven » Tue Mar 20, 2018 11:53 am

Being one of the Ancients, I had a set of Cinturato fitted to my MG midget (1098) in 1966. My garage had never heard of them. I had my new Midget (1275) in 1968 fitted, as an optional extra, Dunlop SP Sport’s.
ps as I recall the change over from cross ply was a step too far, the Cinturato had such soft sidewall the car went all over the place.
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PostPost by: CBUEB1771 » Tue Mar 20, 2018 12:45 pm

RogerFrench wrote:Being an Ancient Briton, I remember when Pirelli radials were called Cintura. The to came later, in the early 60s.


The original invoice from the Chequered Flag for my Elite lists "Pirelli Cintura Tyres", the option priced at six pounds, ten shillings, zero pence. The invoice is dated 21September 1962.
Russ Newton
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PostPost by: prezoom » Tue Mar 20, 2018 4:02 pm

Pirelli Cintura 155/15 tires were original fitment on my Sabra GT. When I purchased the car the original spare was still in the car. What is amazing is, the tire has never been on the ground, still has the mold sprues on the tread area, no evidence of cracking in the sidewalls, still holds air pressure for a reasonable mount of time, and the rubber is still very soft and pliable. If forced to use it, I think speeds up to 10 mph are probably safe.
Last edited by prezoom on Wed Mar 21, 2018 2:09 am, edited 1 time in total.
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1964 Elva Mk4T Coupe (awaiting restoration)
1965 Ford Falcon Ranchero, 302,AOD,9",rack and pinion,disc,etc,etc,etc
1954 Nash Healey LeMans Coupe

Tread softly in the grease mud, for there lurks the skid demon
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PostPost by: lotusS2guy » Tue Mar 20, 2018 6:08 pm

While in college, I had a 1959 Peugeot 403 which was shod with Michelin X radials. When I graduated, I bought myself a brand new 1965 Lotus Elan which was equipped with Dunlop SP41 radials. Radial tires (tyres?) have been around the US a long time.
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PostPost by: Fred Talmadge » Tue Mar 20, 2018 11:46 pm

My S1 manual shows the tire as 5.20x13 Goodyear, standard. Other tyres "follow manufacturers' recomendation." Europeans adapted radial tires years before Americans. I think my handbook would have more info, but I can't find it now, due to a recent move.
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PostPost by: 1owner69Elan » Wed Mar 21, 2018 12:11 am

The invoice on my 69 S4 Elan (Federal) - picked up at the factory has listed under Optional Extra Equipment:

SP Sport Tyres at 9 0. 0. pounds extra

I remember opting for these but I don't recall what was standard at the time.
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PostPost by: saildrive2001 » Wed Mar 21, 2018 3:49 pm

My 69 S4SE UK spec came with SP Sports radial tubeless tyres.
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