Small Block Head Flow Chart

67autocross said
Okay numbers are in for the SBM CNC Shockers…intake only as the guy who is doing them just called me and I jotted down the numbers :

Lift. Advertised. Flowed.
200. 142. 123.3
300. 202. 188.9
400. 251. 236
500. 278. 268.5
600. 284. 282.
700. 286. 282.

He said the port has really good velocity…more to follow
Click to expand...

Talked with the head porter last night for a bit...said he now has the lower numbers back in the advertised area... and the upper numbers in the 294 range with really good velocity...intake volume is in the 190 range...he said when you take them out over 300 the port turns into a toilet...