I'll pretty much gaurantee they're different. The runners are probably different size, vacuum characteristics are likely different. I wouldn't bolt it on unless you're prepared to wrestle with removing it after the engine is installed cuz you found out after the fact that it's not compatible. There's a couple bolts on SOHC intake manifolds (prolly on DOHC too) that are a total biatch to get at if the engine is installed, and you have to take all the fuel vapor control stuff off the firewall to have enough room to slide the manifold back off the studs.