Archived Message
Space Saver
Folks,
Don't have a V8, but do have an MGB. I know from much I have read on the internet, including this forum, that a SAAB 900 space saver from the late eighties, part number 8942088 does the job. The chat on this forum on this subject is over 3 years old. I've had no luck tracking one of these space savers down, and just wondered, if anyone here, had any ideas, likely sources, good 2nd hand parts suppliers, etc. I've tried a few online scrapyards, but have gotten no where. Going on an Alpine tour later this month,and could do with the space and weight saving. (Not keen on boot racks.) Any help/input appreciated.
Andy Deans
04/08/2012 @  09:50
Under topic: General
 
Archived Reply(ies) received for this Message
Space Saver
A spacesaver was sold on our V8 Spares for Sale webpage just a few weeks ago after being on offer there for some time. There is a new section on spacesaver wheels and tyres on our replacement tyres information gateway on the link below. Information on the V8 Website is the main source of long term information for fellow V8 members and visitors.
http://www.v8register.net/subpages/gatewaytyresindex1.htm#spacesaver
V8 Webmaster
04/08/2012 @  21:17
 
Space Saver
Hi Andy and welcome.

Where will you put the full size wheel if you have a puncture and use the spacesaver? I suppose the passenger will have to walk. I never carry a spare wheel, donít even have one to carry, I have a tyre repair spray and small 12v compressor.
Geoff King
04/08/2012 @  22:51
 
Space Saver
Don't want to state the obvious but try the spares page!! Best wishes and have a great trip, might want to get a wheel cover for the standard wheel just in case you need the passenger to hold it for a few miles or to put it behind a seat. I have got a space saver, if you do get one check whether you need a spacer, after that it works very well.
Richard Wood
05/08/2012 @  02:36
 
Space Saver
Hi Andy,
Just to give you a bit of background I also didn't want to pay too much money for my spacesaver and tried most of the Saab spares sites via the internet, some of them kept me waiting several days/weeks and then requested I phone them only to be told No. So in the end when I sat down and added up wheel refurb (£50 minimum) plus new tyre (£50 but no-one and believe me I tried most of the internet sites and the three different sizes, had one!) then the price on the spares site became... realistic, if not reasonable! NB I have no links to the seller and bought mine back in January. Just, please, as stated earlier first check it fits and if you need to purchase a spacer(s) I went to the well known retailer that begins with an H, it took two if you need the dimensions let me know.
Richard Wood
05/08/2012 @  05:53
 
Space Saver
I think Geoff has hit the nail on the head with his realistic and logical comment. I would also think that should you get a puncture what would you do with the wheel you replace? When we came over to the UK for a week or so to Swavesey, I purchased the Mercedes tyre repair kit and took out the spare becaus we needed the luggage space, obviously. The only reason for the Mercede choice was simply because I was convinced of the quality and robustness of the kit/pump itself, however that since then the kits now on the market are also perfectly suitable for an emergency.
Peter Garton
05/08/2012 @  15:37
 
Space Saver
Thanks very much to all who have responded. I will check out the link Webmaster. One valid point that was brought up was where do I put the punctured wheel, if the space saver is on. I'm travelling for part of this tour on my own and my wife will join me for the second part. If sheís with me and I get a puncture, Ill strap it behind my head, so to say, to the roll bar I have fitted, as long as itís not raining. If itís raining, itíll have to go on her lap! I might relent and fit the boot rack, for just such an eventuality. I donít like putting luggage on it normally, because of the effect it has on your rear view capabilities.

In terms of one form Geoff who doesnít carry a spare at all. Mmm, not sure about that one. I had a puncture in our wee French Twingo a couple of years ago, and the tyre was shredded by some shrapnel on the road.. Thereís no way it would have sealed with an aerosol.

I have had an offer from one outfit to make me an alloy space saver but lack drawing/decent appropriate photos of the SAAB 900 wheel, for the chap to work to. Thank again to all who have responded.
Andy Deans
05/08/2012 @  20:56
 
Space Saver
I'd be a bit wary of putting quite a heavy spare on your boot lid, Andy. after all it's not that stable.
I quite understand your trepidation regarding using sealant because it happened to me in Folkestone. The rear tyre got a puntcure in the sidewall and although I could hear the hissing of escaping air and could make it to a tyre place it was not repairable. Driving back to Germany at a max. speed of 80kph on the Autobahns with the spacesaver tyre was simply not on and actually quite dangerous because trucks are going usually at 100 kph and so I would have been continually overtaken.
Peter Garton
05/08/2012 @  21:45
 
Space Saver
Andy,
Factory V8s and 1800 Jubilees came with Dunlop full sized wheels instead of RO-styles. The difference is that the factory thought to supply the Dunlop wheels flipped over and secured with a shortened clamp. Why not get one of this style of wheel (and four suitable wheel nuts) to use as a spare? You can fill the well of the wheel with all sorts. I've got a tupparware filled with spare parts, consumables and some latex gloves in mine!

Much as I respect Uncle Geoff's opinions as an engineer probably more than anyone else I've ever met, I think choosing not to carry a spare is an unwise move. I'd qualify that by saying throughout my driving career I've had two punctures and one blowout. A can of funky foam would have only worked on one out of three occasions and I'd have been stranded miles from home. Each to their own, of course, but it wouldn't work for me. Mind you, I used to carry enough tools and spares to do a major job at the roadside... Paranoid? Me? Err...
Jon Moulds
06/08/2012 @  05:00
 
Space Saver
I readily appreciate that the advantage of the space saver spare wheel is to save space in the boot of the RV8. I've had my experience of the odd puncture over the years, of course, but I would like to suggest that although the full sized spare wheel does take up more space in itself, the negative point to really consider is the top speed one is restriced to, namely 80 kph or 50 mph approx. when one uses the space saver. If one is in a foreign country and has to travel a long distance to get home on, say, a Sunday and has the misfortune to get a puncture it can be a tortuous and stressy drive on the motorways or autobahns. Take, for example, Calais to Koblenz which is situated midway between Cologne and Frankfurt. At steady speeds within the legal limits (France 130 kph, Belgium 120 kph and Germany unlimited but very often resticted to 130 and sometimes 120 kph) it takes exactly 5 hours including a stop for fuel. Imagine then doing this at a maximum speed of 80 kph. The total distance from Koblenz to Calais is 410 kms. One then has to add the UK distances to get home of course. I wonder if someone can tell me how much longer it would take at 80 kph to do 410 kms, instead of an average of 130 kph?
Peter Garton
06/08/2012 @  20:08
 
Space Saver
I have two wheels available, one new without tyre, the other used with a very old tyre. Please contact me via the V8 Webmaster for location and any queries.
Chris Yates
06/08/2012 @  20:44
 
Space Saver
Andy,
What part of the country to you live in, I have a space saver wheel for my MG RV8 which if we were not too far apart, you would be welcome to try and possibly borrow. My email is j.bolt@bondestatesltd.co.uk if you are interested.
John Bolt
06/08/2012 @  20:55
 
Space Saver
Here is some food for thought. How old or underinflated is your spare tyre? If it is older than 5 years then it is on the way out (the rubber starts to dry out and gets minute cracks in it).

Have you changed a wheel using the tools supplied with the RV8? The jack is very unstable on any ground that is not perfectly flat. The wheel brace is best used by conan the barbarian (way too short to get leaverage on bolts that have never been removed since adam was in the boy scouts). Now try the wheel changing task on a busy highway in the middle of winter and at night.

From what I see you have few options.
1. Stick to the full size spare.
2. Try and find a spacesaver.
3. Get a 'goo and go' kit to get you home.
4. Join a 'roadside assist' company so that you can stay in your car and wait for them (to replace the flat tyre or organise a tow truck).

At the end of the day it really depends on what situation you are in when you need to replace that flat tyre. If all the planets are alligned and murphy has a blind eye to you then you might be lucky. If you are wondering what option I have taken??.... Well I have joined a roadside assist company (which has already paid for itself because I had to use the towing service twice due to contaminated fuel because of a coroded fuel tank and thats another story), removed the full size spare wheel and purchased a good quality goo and go kit . . . . now I have probably jinxed myself.
Peter Varley
07/08/2012 @  16:57
 
Space Saver
Peter Garton,
To be honest, I would only plan to drive the car, with the space saver on, to the nearest town where I could get the damaged tyre replaced. I certainly wouldn't be planning marathon trips to Calais (or in my case Zeebrugge....). Regards,
Andy Deans
08/08/2012 @  00:25
 
Space Saver
I fully understand your reasoning, Andy. I replaced my space saver in my xf Jaguar because I could not face the risk of landing up in the Alps on a Sunday or bank holiday in the wilderness with that space saver. I did exactly the opposite!
Anyway, I thought it might interest a few members if I tried my best to answer my own question above. Of coures it is quite tricky, which I'll try to explain.
We have some facts: 410 kms in 5 hours speed on the clock keeping to the average limit of 120 kph.
If we take distance divided by time to get average speed we arrive in the first instance at only 82 kph. The reason for this is road works, tailbacks, towns and tanking up.
Following on this result (still on normal tyres) we see there is a difference of roughly 66% in average speed 125 kph compared with 82 kph.
Remembering the trip takes normally 5 hours we can follow on using the above figures. 82 kph - 66% = 58 kph.
We then arrive at a time taken of 7.1 hrs. approx. for the 410 kms using the space saver spare instead of 5 hrs with the normal full sized wheels.
I do hope I've got zhis rather complex calculation right. I stand to be corrected, of course!!
Peter Garton
08/08/2012 @  19:18
 
Space Saver
Peter Varley wrote: "Have you changed a wheel using the tools supplied with the RV8? The jack is very unstable on any ground that is not perfectly flat." Here's some food for thought . . . Given how closely an RV8 is related to a B, I wonder how easy it would be to fit an MGB style jacking point and use an MGB Jack? I haven't got an RV8 here to draw any comparisons, but I suspect the only issue would be with the shape of the sills. Although, I'm sure with a bit of ingenuity this could be overcome.

I've used the factory supplied jack for my MGB V8 many times and I think it's great. Not so great if your sills are soft, but who wants to drive a car with soft sills?!
Jon Moulds
08/08/2012 @  21:00
 
Space Saver
Jacks. I have opted for a more efficient, flexible (in that there are better stonger jacking points available), easier to use and more compact hydraulic jack, obtained from Halfords a few years ago for about £14.00. It fits neatly inside the space saver wheel along with the electric pump and spare bulbs.
Chris Yates
09/08/2012 @  06:58
 
Space Saver
The RV8 is not fitted with a tubular socket as the jacking point fixed to the underside of each cill as you find on MGBs, MGCs and V8s. My Factory MGBGTV8 jack has to slot into that jacking socket. So I don't think there will many takers for welding on that type of jacking point to RV8 cills instead of the flat jacking point as standard on the RV8. That welding might easily create local damage to the good quality rustproofing on an RV8 bodyshell in such a vulnerable area. Chris Yates' recommendation based on his direct experience sounds a better way of overcoming the limitations of the Factory jack supplied with the RV8.
Alan Rennie
09/08/2012 @  20:16
 
Space Saver
Chris Yates sent over a photo of his replacement jack which is included in a note on the V8 and RV8 jacks just uploaded to the V8 Website. See the link on the Recent Changes log at: http://www.v8register.net/subpages/websiteupdatelog.htm
There is also a link there to the webpage on the Halfords' webpage for the jack.
V8 Webmaster
09/08/2012 @  23:04
 
Space Saver
Anyone ever tried one of those 12 volt electric scissor jacks? They are going for around £70 on eBay at the moment. One of those might be good to keep in the car. For example, it might be useful to have if you've got to change a wheel on the hard shoulder of a motorway and you really need to put your attention elsewhere i.e. approaching lorries!
Jon Moulds
10/08/2012 @  09:47
 
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