[Mgs] oil

[Max Heim]

Threads on oil can be endless. But synthetic vs non-synthetic is not the critical factor (depending on the history of your engine). The important thing is that it provide sufficient zinc and phosphorus (AKA ZDDP) to protect the lifters/tappets/cam followers in pre-smog-era MGs. All modern oils designed for use with catalytic converters do not provide adequate ZDDP (it clogs converters). You have to specifically select a compatible oil.

Valvoline VR1 Racing Oil is one (although it may be non-optimal for other reasons, such as lack of detergent)
Mobil1 Synthetic 15W50 (this weight ONLY in this brand)
Certain weights from Kendall, Royal Purple, Gibbs

Note that many people got into the habit of using diesel grade oils for this reason. But now that diesel emissions are under tighter control, these oils have also been stripped of ZDDP. 

Read the spec sheets if you are concerned.

--
Max Heim
'66 MGB

> On Jun 17, 2019, at 2:47 PM, Bert Palte via Mgs <mgs at autox.team.net> wrote:
> 
> Yes, also over here in Europe it has become less easily available.
> If nothing else is available, 10W40 will do.
> I use mineral oil. That is good enough, our cars aren't high tech!
> 
> Bert 
> 70 B 
> SA4BRL 
> PA0LPS
> -- 
> Sent from my Android phone with GMX Mail. Please excuse my brevity.
> On 2019-06-17, 23:19 dave via Mgs <mgs at autox.team.net <mailto:mgs at autox.team.net>> wrote:
> I’ve been using Valvoline 20w 50 full synthetic for several years now, and it used to be immediately available from Amazon with free shipping.  It has zddp.
> 
>  
> Now its 1 to 2 months.
> 
>  
> However – Advanced Auto Parts - https://shop.advanceautoparts.com/p/valvoline-vr1-racing-20w-50-full-synthetic-motor-oil-1-quart-679082/10069836-P?searchTerm=valvoline+20w-50+full+synthetic <https://shop.advanceautoparts.com/p/valvoline-vr1-racing-20w-50-full-synthetic-motor-oil-1-quart-679082/10069836-P?searchTerm=valvoline+20w-50+full+synthetic>
> 
>  
> free shipping with a minimum order of $25, which is 3 quarts.  You can buy it any number of quarts (from Amazon it’s a 6 pack), and it’s a couple pennies cheaper!!!
> 
>  
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