This pic is from the mag Super Stock July 1970. It shows a vent hose to the breather and there is no pipe comming up for N95 on the fender well so it's a 2 nipple breather. I have the mag if anyone wants to see the whole artical. Download the pic and enlarge it.

'09 Challenger R/T '70 Challenger T/A 340 6Pak and Auto I was born with nothing and I still have most of it left!