Hi there, cant pm you so il stick it in here!!!

I curantly use a 10w50 grade of pro S in my mrs starlet and we need to get some more now, i was going to drop down to a 10w40 grade but you dont seem to do that!! would a 5w40 be too thin from cold?? or should i just stick with the 10w50

The car will prb never see a trakday...

how much would 10L cost us


Thanks