[928uk] G48 coolant

Fri Jun 14 08:26:52 UTC 2024

G48 is an excellent coolant. As you have a '79 you do not suffer the 
problems of the later 32 valve heads. The earlier aluminium used was of 
a better quality and I have not seen any major pitting on 16 valve 
engines. My 32 valve heads were like Swiss Cheese unfortunately, despite 
using and changing standard coolant often.
G48 will suit you fine
Richard

On 13/06/2024 21:20, kenworthy via 928uk wrote:
>
> I know this caused 2weeks discussions as what to put in older 928s and 
> I am no further forward as I need to change my coolant soonest and 
> don’t want to dissolve my coolant spaces, gaskets and equipment.
> I am worried about putting in these modern coolants as last discussion 
> ended up as a real slanging match.
> Just want to know what to put in my 79 in next couple or weeks so as I 
> can complete all the service work and get her back on the road.
> Thanks in advance and not a wind up!
> Duncan
> 79 928 auto
>
>
>
>
> On 2024-06-13 19:40, peter watts via 928uk wrote:
>> Thanks dmiffy - I’ve ordered 2cars worth
>> And reminded me I needed some more g48 coolant
>> Found this :-
>>
>> https://www.zoro.co.uk/shop/automotive/antifreeze-and-coolant/xstream-antifreeze-and-coolant-ready-to-use/f/P_ZT3608950S 
>>
>>
>> Seemed a better bet than other online offerings  not used before so 
>> fingers
>> crossed
>>
>> Peter in Yorkshire
>>
>>
>>
>>
>> On Thu, 13 Jun 2024 at 16:14, Marek Zawadzki via 928uk <
>> 928uk at lists.928.org.uk> wrote:
>>
>>> Thanks Smiffy. I am appreciated.
>>>
>>> On Thu, 13 Jun 2024, 15:10 Paul R Smith via 928uk, 
>>> <928uk at lists.928.org.uk
>>> >
>>> wrote:
>>>
>>> > Marek, I've sent you the 1986 owner's handbook.
>>> > Smiffy
>>> >
>>> > On 13/06/2024 13:31, Marek Zawadzki via 928uk wrote:
>>> > > Hi Jonathan,
>>> > >
>>> > > I need to buy it as well. How many litres is required to 4.7L?
>>> > >
>>> > > Also what type of oil filter you recommend? I saw black or red on
>>> > design911
>>> > > website
>>> > >
>>> > > And last thing spark plugs?
>>> > >
>>> > > Best Regards
>>> > > Marek
>>> > >
>>> > > 928S2 4.7 auto 1986
>>> > >
>>> > > On Thu, 13 Jun 2024, 12:39 Adrian Langford via 928uk, <
>>> > > 928uk at lists.928.org.uk> wrote:
>>> > >
>>> > >> Thanks Jonathan. Picked up a couple of jugs at this price. It’s
>>> alarming
>>> > >> how oil prices have moved up on other cars I look after.
>>> > >>
>>> > >> Went straight to site as links don’t work.
>>> > >>
>>> > >> Adrian
>>> > >>
>>> > >>> On 13 Jun 2024, at 12:27, jonathanrackowe--- via 928uk <
>>> > >> 928uk at lists.928.org.uk> wrote:
>>> > >>> For those that like Valvoline VR1 20w-50 oil, see below.
>>> > >>>
>>> > >>>
>>> > >>>
>>> > >>> Free UK delivery if you buy 2 or more.
>>> > >>>
>>> > >>>
>>> > >>>
>>> > >>> Bear in mind that the shelf life of unopened oil containers is
>>> > generally
>>> > >> reckoned to be about 4 years.
>>> > >>>
>>> > >>>
>>> > >>> Apparently oil in a little used car loses the beneficial 
>>> properties
>>> of
>>> > >> its additives in 6 months to a year! So the general recommendation
>>> > seems to
>>> > >> be an oil change every year. Can’t say I’ve always adhered to that
>>> > myself
>>> > >> though.
>>> > >>> Best regards,
>>> > >>>
>>> > >>> Jonathan
>>> > >>>
>>> > >>> West London, England
>>> > >>>
>>> > >>> 928GT 1991 Amethyst Metallic with Blueflame custom exhaust and
>>> Porsche
>>> > >> 18" Sport Design wheels
>>> > >>>
>>> > >>
>>> >
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