WHAT DOES 4AGE 20V BLACKTOP MEAN?

I set bars on major and base to help the manifold and continue to keep it all in line. because they taper I'd ribs put on the top so a hose isn't going to slip off.4a. I'd claim that it might be abundant at idle as the extra air leaking thru the throttles is dropping the manifold vacuum and also the ECU is including further gas. I found that once I