The blacktop has lighter internals which are also weaker, but it's kind of more quickly. No harm if you're not carrying out any big mods, but any forced induction and you will be needing to uprate the blacktops internals. from another forum wrote:Possibly I've missed this, but you do have https://arthuryaule.blog-mall.com/27269621/the-basic-principles-of-toyota-4age-for-sale