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One thing most don't realise is 2-barrells & 4-barrells are flowed on a different formula. The six-pac is the equal in flow to 960 cfm 4-barrell.
The main drawback with the six-pac is the manifold. It is quite restrictive so unless you get something like a Hughes Engines Ported one, I'd go with the 4-barrell.



I dunno my STOCK 6-pack intake and carbs pull really well (shift at 6400-6500) My current best is 11.39 at over 118, car drives great and I ang'd about 11-12 mpg to and from the track. Mostly back roads 45-50mph nice and steady. I like it, keeps pulling and pulling. Nothing wrong w/ a DP thou. I don't think you will lose anything either way. Unless you have amonster motor in which case you'd probably want a BIG carb and single 4.

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