Quote Originally Posted by Bio248 View Post
S&S are not the same as SSAutochrome as i just stated.

these are S&S:



they are two piece, use a donut gasket, have smaller primaries, and have a 2.5" collector.


these are SSAutochrome/Pacesetters/SLP:



they are 3 piece, slip fit, larger primaries, and 3" collector.


get it?
So the SS auto chromes offer more breathability with larger prim and DP
So SSAC would be a better choice ?