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Old 20 Apr 2010, 17:30 (Ref:2676696)   #15
rkshanahan
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Join Date: Jul 2003
Location:
San Diego, CA, USA
Posts: 78
rkshanahan should be qualifying in the top 10 on the grid
Phoenix,

The SCA had 1.45" intake and 1.25" exhaust valves as standard. It appears that the SCB and SCC had the same, but I have seen a listing for an SCD engine, which was a 1500cc SCB engine with larger valves. The sizes listed are 1.55" intake and 1.30" exhaust. A couple of my cylinder heads have modified ports and larger valves but I am thinking this was done by the customer and not by Cosworth.

Regards,

Rob
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