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Old 01-19-2006, 06:46 PM
466bbfox 466bbfox is offline
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Default Flow numbers for stock heads?

Hey guys, wondering whats the flow numbers for stock C8VE heads, stock valve sizes. How much would a gasket match porting on the intake and exhaust with polishing the exhaust help the numbers?

Stock valve sizes are 2.? intake and 1.? exhaust ?

And what should pressure drop in H20 be set at 20 or 25?, im dynoing a combo for my buddy and his F350 build.

Thanks,
Kurt
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Old 01-20-2006, 01:01 AM
The Mad Porter's Avatar
The Mad Porter The Mad Porter is offline
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Default RE C8VE flow numbers

Stock as cast early castings flow abut 279/129 max.

See this link to my website for cylindre head flow comparisons.

http://www.reincarnation-automotive....r-index-1.html

Here is a link to cylinder heads information specifics:

http://www.reincarnation-automotive....s-1-index.html

The RHP site has full porting instructions for the iron street castings. Others here can attest to the value of the information and its minimal cost. Porting the BBF heads is a bit more involved that port matching and polishing. Shape is critical especially on the exhust side.

The link to my home page is in my signature line.


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http://R-H-P.biz

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