I was driving today and I noticed that the car would not rev quick. it would rev slowly towards 4k rpms. then it would make a “woo woo woo” sound. Any idea of what is going on? Any help appreciated! TIA. Streamable Video Then I drove home and revved it up to 4.5k from idle and the engine...

this is puzzling me, I have an 89 Honda prelude si but have been doing loads of engine work lately And realized that I have a b21 head on a b20A block. What I’d like to know is what the hell is a b20A lol, I’ve heard it’s maybe a jdm imported b20a5 or maybe a misprint?

I picked this up last week and am in the beginning of the restoration. I am still in the preliminary phases of the tune up and assessing what I have. Overall the body is in bad condition. I have a lot of work to do there. I think I will keep it the factory red, but possibly add some pearl...

Daugaard's BA4 4WS Trackstar. Si <--! Up to date!! So after a while of lurking i decided to put my build thread on PreludePower as well. It's going to be a process of google translate first and then with new posts i will write it myself. So bare with me and have some patience. This...

Ok guys So I did a compression test on my 1991 prelude si with the b21a1. I didn’t put any oil in it and just did a dry test. My numbers are 200 psi on the outside cylinders and 190psi on the 2 middle cylinders. From what I have heard these are pretty good results for a b21a1 with 182,000 miles...