hi guys just wanna get this off my mind i'm using penrite smoothe shift 75w-90 it says its gl-5 but can use where gl-4 oil is use iv heard gl-5 isn't good for these boxed is that right ?
i hope its ok because it shifts nice and the gearbox goes better
theres a link to what im useing http://www.penriteoil.com.au/products.php?id_categ=4&id_products=380