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Old 12-18-2006, 06:22 AM   #62
Marnix
Scooby Specialist
 
Member#: 51480
Join Date: Dec 2003
Chapter/Region: International
Location: The Netherlands
Vehicle:
1984 AM5, 1994 BC4,
2010 BR5

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I measured the ports of three heads over the weekend:

EUDM MY97 EJ25D: 58 x 44 mm (58 x 30 without injector boss)
JDM MY99 EJ254 (with AVCS): 59 x 49 mm (59 x 35 without injector boss)
USDM MY92 EJ22T: 49 x 44 mm (49 x 31 without injector boss)

I also calculated the cross sectional area of intake and port runner. I will put the Excel-file onto my homepage after Christmas.
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