Hand ported Edelbrock Air Gap intake. Gained 33 to 52 cfm depending on the runner. All bolt holes are good, no damage anywhere. Ports were matched to OE heads, so there is plenty of room to port match to your bigger aluminum heads if you have those.
Bottom line: Once jetting was optimized a mild 360 combo gained .16 in ET and 1.4 full MPH.
$400 shipped in the lower 48.
Bottom line: Once jetting was optimized a mild 360 combo gained .16 in ET and 1.4 full MPH.
$400 shipped in the lower 48.
