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New (to me) 1980 Volvo 244

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Old Nov 28th, 2020, 17:52   #2101
Stephen Edwin
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Default Two Sets of Different Wheels

You have got a good idea in having different design wheels for winter and summer tyres. That gives you an obvious visual difference, reducing the chance of mxing summer and winter tyres fitted at any one time. And by the way, what are you doing as regards a or the spare?

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Old Nov 28th, 2020, 18:34   #2102
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Default Tyre pressure ... and understeer

I had not known that tyre pressure would be relevant to understeer, or I had forgotten ...

David is CORRECT that one should check tyre pressures oneself.

Volvo specify different pressures according to load, and front v. rear and if I remember correctly, according to speed.

Interweb "wisdom" says under steer can sometimes be tyre pressure corrected by varying front v. rear pressures.





I am cautious of interweb wisdom including frums. One learn in whom to trust ...




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Old Nov 28th, 2020, 20:52   #2103
davidcheshire
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Default Tyre pressures 15" wheels

Quote:
Originally Posted by Othen View Post
I've been running the 195/65R15 (both summer and winter) tyres on the RB at 27 PSI, that being the recommendation for the closest size I can find for the RB (185/70R14) It occurs to me that the tyre I'm using is 5% wider than the 185, so perhaps I should be reducing the pressure by 5% - so say 25 PSI?

There must be plenty of other 244 or 240 saloon owners out there with 15" wheels, what pressure do you use?

Alan
The manual for my 1984 240GLT has pressures for 14" and 15" wheels. The 15" tyre is 195/60R15 (as distinct from your 195/65R15) and the pressures are: 1-3 occupants front 26psi, rear 27psi, and with a full load front 27psi, rear 32psi. These figures are for GLE, GLT and Turbo.

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Old Nov 29th, 2020, 07:24   #2104
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Originally Posted by Laird Scooby View Post
Have you checked the pressures in them Alan? If you're going on the tyre place inflating them to 27 psi, they could have put more in for any number of reasons.
I check them myself Dave - with a digital TPG which seems quite precise; I have a compressor here for inflating them also.

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Old Nov 29th, 2020, 07:28   #2105
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Originally Posted by davidcheshire View Post
The manual for my 1984 240GLT has pressures for 14" and 15" wheels. The 15" tyre is 195/60R15 (as distinct from your 195/65R15) and the pressures are: 1-3 occupants front 26psi, rear 27psi, and with a full load front 27psi, rear 32psi. These figures are for GLE, GLT and Turbo.

David.
Thank you David,
That is exactly what I was after (and what I rather suspected) for 195 width tyres - I'll try 26 PSI front and leave the rears at 27 PSI next week - and I suspect that will make things braw and cozy.
Alan
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Old Nov 29th, 2020, 10:48   #2106
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Default Tyre pressures

Many years ago this topic was discussed on Turbobricks; the general consensus was to start with 32psi all round and vary the pressures from there to suit your driving style/tyre wear/ride-handling compromise preferences.

I run the Valdez, on 195/65s, at 32psi all round, though it's a 940 estate but did likewise with the GLT when it was operational.
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Old Dec 6th, 2020, 11:53   #2107
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Nothing much to report on the RB since I fitted the Pholus wheels (25 November I think) and winter tyres, mainly because in the wintry weather it as always made more sense to use the Skoda Superb estate. I was in no rush this morn though, so I took the RB out for a spin down to the local Aldi store for a few groceries and home via a roundabout country route (maybe 8-10 miles total).
Having been unused for over a week I was quite impressed with the RB: it started instantly and warmed up quickly. Unlike the Skoda and the Porsche of course it does not have a heated windscreen, so I had to find it a scraper and some spray (the windscreen had frozen on the inside as well - hard frost last night).
I was pleased to find the RB's heater is really good, and the engine warms up quickly with the electric fan arrangement I fitted earlier in the year. The winter tyres are really good, I deliberately came back on some minor roads around Pipewell that were still frozen and the car was very sure footed. They were a good investment.
So, a good outcome for a car that has been standing for nearly two weeks: everything works the way it is supposed to, there were no funny noises (well, apart from the normal 40 years old car creaks and groans) and no spurious warning lights (not that the RB really has many anyway).
:-)
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Old Dec 6th, 2020, 12:28   #2108
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Quote:
Originally Posted by Othen View Post
Nothing much to report on the RB since I fitted the Pholus wheels (25 November I think) and winter tyres, mainly because in the wintry weather it as always made more sense to use the Skoda Superb estate. I was in no rush this morn though, so I took the RB out for a spin down to the local Aldi store for a few groceries and home via a roundabout country route (maybe 8-10 miles total).
Having been unused for over a week I was quite impressed with the RB: it started instantly and warmed up quickly. Unlike the Skoda and the Porsche of course it does not have a heated windscreen, so I had to find it a scraper and some spray (the windscreen had frozen on the inside as well - hard frost last night).
I was pleased to find the RB's heater is really good, and the engine warms up quickly with the electric fan arrangement I fitted earlier in the year. The winter tyres are really good, I deliberately came back on some minor roads around Pipewell that were still frozen and the car was very sure footed. They were a good investment.
So, a good outcome for a car that has been standing for nearly two weeks: everything works the way it is supposed to, there were no funny noises (well, apart from the normal 40 years old car creaks and groans) and no spurious warning lights (not that the RB really has many anyway).
:-)
Excellent news Alan! I fitted a modified fuel pump relay to mine yesterday with an external switch to prime the system. Went out about 9 ish to defrost/warm the car up and to test the priming function and it works as intended. Fired first pot over the top as it used to before the ECU lost the priming function.

Nice contrast to yours where as long as there is petrol in the carb, pull the choke and turn the key and it fires first pot over the top - the things we have to go through on something more modern!

Pleased to hear the winter tyres are a good investment, wait until all your neighbours are struggling to go anywhere when we get sharper frosts (down to -8C here last night, still -3C when i went to the car earlier) and the roads are like a skating rink then just drive calmly past them in your 40 year old RB!
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Old Dec 6th, 2020, 13:54   #2109
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Originally Posted by Laird Scooby View Post
Excellent news Alan! I fitted a modified fuel pump relay to mine yesterday with an external switch to prime the system. Went out about 9 ish to defrost/warm the car up and to test the priming function and it works as intended. Fired first pot over the top as it used to before the ECU lost the priming function.

Nice contrast to yours where as long as there is petrol in the carb, pull the choke and turn the key and it fires first pot over the top - the things we have to go through on something more modern!

Pleased to hear the winter tyres are a good investment, wait until all your neighbours are struggling to go anywhere when we get sharper frosts (down to -8C here last night, still -3C when i went to the car earlier) and the roads are like a skating rink then just drive calmly past them in your 40 year old RB!
You are right about the older technology Dave: with no electronic brain to get confused the RB starts up really easily. I think the solid state ignition system probably helps, but there is still something to be said for a single carburettor with a manual choke.

I have winter tyres on the Skoda and the RB, and live at the bottom of a Northerly facing slope. I suspect at least once this winter my cars will be happily on their way whilst some of my neighbours are trying to dig their way out of their drives (that is what happens most years). Yes, I'm happy with the Pholus wheels and winter tyres, they were a good investment and even better, they give me an excuse to run the RB all year rather than SORNing it :-)
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Old Dec 6th, 2020, 18:08   #2110
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Yes, I'm happy with the Pholus wheels and winter tyres, they were a good investment and even better, they give me an excuse to run the RB all year rather than SORNing it :-)
It's what Volvos were built for Alan!

There's a lot to be said for the era your RB was entering, i know it was "modernised" with the Hall Effect triggered ignition but it was "born" at the start of the 80s where we saw significant advancement in ignition and fueling.

However, by the end of the 80s, Bosch seemed to lose their way a bit with their EFi/engine management and created circumstances where the engine had to turn over at least twice before the ignition was triggered. This could often cause an "FTP" - Failure To Proceed - for the simple reason it had flooded itself!
Before that the fuel ECU primed the fuel pumps, as soon as the engine moved there was ignition and hey presto, it fired first pot over the top which is about as good as you get from anything.

Never known why, some have suggested it's so the engine has a couple of turns to build oil pressure but if it's in good condition, oil pressure will be almost instant anyway.

Whichever way you look at it, part of the "golden era" of motoring.
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