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View Full Version : Valve, runner, and flow specs??



chris94SCmt
08-24-2002, 09:19 PM
anyone know the stock valve sizes, flow speck for the stock heads, and intake, also do u know the duration and lift of the stock cam?

thanks
chris

93 Mark VIII
08-24-2002, 10:22 PM
I have the stock flow numbers posted here:

http://members.telocity.com/~bjherron/scheads/index.htm

I can measure the stock valve sizes if no one else comes up with that info.

Brian

chris94SCmt
08-25-2002, 02:23 AM
hey 93 mk thanks alot and if you get a chance could you post the valve sizes too.

thanks
chris

Rock
08-27-2002, 01:29 AM
At least for stock 89 & 93 the exhaust is 1.46 and the intake is 1.78. Manley calls both stem sizes 11/32 though the 89 shop manual calls for different oil seals and slightly different stem size for exhaust & intake.

Rock