View Full Version : Bbc ex?

09-06-2016, 06:42 PM
Any body have a set of logs and risers laying around ? Got to be better than iron manifolds

Black Outlaw
09-09-2016, 10:09 PM
From what I hear the mercruiser 496 exhaust flows a lot better than the old cast iron mercruiser stuff. It's dry joint with a stainless elbow and I have seen take off sets sell pretty cheap. I read somewhere years ago that style exhaust on a bbc didn't become a restriction until about 600 hp

09-10-2016, 08:08 PM
Thanks for the IMF they do look good from what I've seen its a c c boat w trs. 330 maybe ill warm it up .I have a set of stelling. Greens but they won't fit ,I had them on my magnum with a 598 maybe what I have will be good fwcooled sitting for 11 years