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Old Oct 26, 2011 | 09:49 AM
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RANGER589
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From: ROCKVILLE, CT.
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Originally Posted by bertha66
Yes, a machanical will come a go with acceleration / deceleration, as a rod knock or fuel pump rod spring.
Did you pull the valve covers and check for lose rockers or oush rods?

Yup, actually the first thing I did. Last year the rocker assembly loosened up on the opposite side. I could literally turn the bolts by hand on the # 3 & 4 cylinders.

All the rods and rockers were pretty snug on the side in question now.
 
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