Whether you think so or not with a little time (well maybe more than a little) a 194-292 manifold will work on a 228-302 GMC. Did my first one 15 years ago and it's still woking just fine. I definately like the this one and can immagine it with 2 more Rochester bases............JD
216.158 MPH 12-Port 302 GMC on 70% 171.0 MPH 302 stock head on gasoline 7 years later
