05-16-2008, 07:33 AM
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CC Member
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Join Date: Oct 2003
Location: Saratoga Springs,
UT
Cobra Make, Engine: Shell Valley, 418W, tremec 3550tko, 9" ford rear, 3.0 gear, silver/black
Posts: 408
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Not Ranked
The change to a shorter duration camshaft made all the difference in the world for the emissions test. It was changed prior to the 2006 test!
With the wilder cam the engine passed the 2500 rpm standards and the idle CO standard but the idle HC were off the charts at 4200 HC ppm with only 700 allowed!
Larry:
With the Thanksgiving Point car show this weekend I guess our next "cruising" opportunity will be next weekend!!
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Terry
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