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jatmobkar · 12-26-2014, 09:06 AM

Well that's what I'm wondering. What's the way to improve a stock manifold. Cliff Ruggles swears by the stock Pontiac manifolds. I know it might be apples to oranges but they can't be that different. I see the Pontiac guys grinding on the cast iron a lot.

12-26-2014, 09:06 AM	#8
jatmobkar Junior Member Join Date: Sep 2011 Posts: 10 Likes: 0 Liked 0 Times in 0 Posts	Re: Bbc cast iron intake questions Well that's what I'm wondering. What's the way to improve a stock manifold. Cliff Ruggles swears by the stock Pontiac manifolds. I know it might be apples to oranges but they can't be that different. I see the Pontiac guys grinding on the cast iron a lot.