Valve clearance for Yella Terra roller rockers - Ford Forums - Mustang Forum, Ford Trucks, Ford Focus and Ford Cars
 
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post #1 of 3 (permalink) Old 06-03-06, 10:26 PM Thread Starter
jonno
 
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Valve clearance for Yella Terra roller rockers

I have a 351c that is down on compression on cylinders 1 and 5. the motor came with the rockers allready installed so i dont have any real info about the set up. Does anyone know the correct clearances? thanx
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post #2 of 3 (permalink) Old 06-03-06, 11:08 PM
74 XB Fairmont
 
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Re: Valve clearance for Yella Terra roller rockers

Clearances will be anywhere from 18 to 30 thou. A safe setting is 22thou.

XB Fairmont (street car) 11.07@123.02mph.
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post #3 of 3 (permalink) Old 06-08-06, 08:36 AM
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Re: Valve clearance for Yella Terra roller rockers

If they are adjustables, turn them to zero lash (when the pushrod is hard to turn), and then tighten them between 90-180 degrees.

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