HPNDA B16 ENGINE FOR SALE NO FURTHER A MYSTERY

Given that I didn't know there was a A1 or even a A2 filter, it would have been great should you would have posted a Website that showed creditable tests of those filters. I looked but only saw one where by anyone took a filter aside.you have to realize that when you took out an LS motor out and put a B16 in - you might be Placing a smaller motor i