Advice on Swap to Dot 5

Advice on Swap to Dot 5 - New MC

AJ/FormS said
Blessed

My whole system was new about 9-10 yrs ago, I dodnt remember if I put 3 -4-5 in it . It is al4 wheel dics, 87 diplomat alum, master cyl.
That being said, I don't think I put dot 5 in it --------------------