Can someone tell me with any degree of certainty if these Deka 80's are real or fake? One site said shiny blue plastic means real and dull blue means fake, mine are dull. Another site said something about serial numbers, I see none on mine unless they wore off. the part number is still visible (last pic)

Been running them for maybe 2 years. I ran a 11.4@123 with them, but I also burnt up a piston with them, which I have not yet determined cause. I don't think the injectors caused it tho.. especially if they are real.. logs showed both banks losing fuel at the same time, seems unlikely to be an injector.

I have access to one of those 4-injector bench flow tools and they were all within 5% of each other.

EDIT: when I bought these, I paid the normal going price from what I thought was a reputable injector source, I didn't get the bargain basement ebay ones like I did with the decapped ones I was tinkering with.

 

Giving this a bump.

Someone here has to know this.