CLASS RACER FORUM - View Single Post

richie 2 · 01-23-2015, 07:13 PM

the "x" is on the deck side of the intake runner, not with the casting number. I believe it indicates a larger factory intake/exh. runner volume for the corvette 350ci. engine. 76cc chamber volume.

01-23-2015, 07:13 PM	#2
richie 2 Senior Member Join Date: Feb 2009 Posts: 971 Likes: 426 Liked 205 Times in 93 Posts	Re: 441x bare castings the "x" is on the deck side of the intake runner, not with the casting number. I believe it indicates a larger factory intake/exh. runner volume for the corvette 350ci. engine. 76cc chamber volume.