http://cgi.ebay.com/ebaymotors/Bolt-...05970635QQrdZ1

How in the world can this guy claim 350-400hp on this set-up?

 

10 psi by 3K rpm isnt hapening either i get maybe 6-7 on my small.

 

350hp easy - he had it measured on the "miata.net seat of pants" dyno.

 

I made the mistake of buying that same style manifold to "give it a shot" on the challenge car. It's labelled as SS, but is merely a steel manifold coated in some SS alloy. Furthermore, it wouldn't even slide onto the head's studs without further drilling. Stay faaaaar away from the Ebay Chinese SS car stuff.