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Old 09-05-2007, 09:38 PM   #18
2.5SR40WRX
Scooby Newbie
 
Member#: 137474
Join Date: Jan 2007
Chapter/Region: MWSOC
Location: Chicago, IL
Vehicle:
2004 WRX Hybrid 20g
6-Speed 370/370

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I assembled and measured one head, I need 2 exhaust valves, I ordered them today. Cosworth 275 cams require .008 clearance on the intake and .010 on the exhaust . Here are my readings:

Left Intake cam
Bucket size
1.502
2.502
3.503
4.502
Cam to bucket clearance
1. .020
2. .020
3. .021
4. .014

Left Exhaust cam
Bucket size
1.500
2.501
3.503
4.501
Cam to bucket clearance
1. .022
2. .030
3. .019
4. .022
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