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Old 09-29-2004, 02:52 AM   #1
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Join Date: Sep 2004
Location: Jacksonville, NC
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351W-4v and 351W-2v

What is the difference between the 351W-4v and the 351W-2v? Is that the valves in the heads? I told you, I'm a rock!
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Old 09-29-2004, 06:55 PM   #2
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Location: People's Republic of Maryland
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The 2v and 4v descriptions are about how many barrels (venturis) the carbs have. that means in stock form, the engines (which share the same block) would have differnt intake manifolds to support whichever carb they had, different compression ratios, differnt cam profiles, and IIRC, slightly different heads (quench area and valve size differences). Since your engine isn't stock in that car (or it IS stock but has been converted to a 4bbl carb) there's no telling what bits are inside it.

The good thing is that if you want to build it up, it really doesn't matter. Pick and choose the parts you want.
I'm not mean. You're just a wuss.
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