Register a free account today to become a member! Once signed in, you'll be able to participate on this site by adding your own topics and posts, as well as connect with other members through your own private inbox!
Hi everyone, find myself in a bit of a pickle at the moment. I fitted a new air filter onto the 1.2 16v we have and I noticed a small problem (I think). I asked the other half to give the engine a bit of a rev (no idea why, just wanted to listen out for any problems) and noticed that the air did...
For some time I have had these questions in my head, but never actually got round to asking them so today is the day!
I know what a 4-2-1 manifold is and a 4-1 manifold is but I'm not exactly sure what the differences/gains is between the two, and which one (if any) is better for...