Quote:
Originally Posted by Va68goat
HWYSTR455,
What did you see in the video what makes you believe there is a miss?
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It's obvious there is a miss. Watch the movement of the engine in the video. Every so often it shakes more than just a cam lope.
To me it sounds like valvetrain clearance noise. Either the lifters contacting the valley pan, rockers touching the valve covers etc.
With the breather in the rear of the valve cover have you checked to make sure they are not contacting the rockers?
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65 GTO, Tiger Gold, Nostalgia Super Stock 421, 2-Carter AFB carbs, Stock Suspension, 3550lbs Full Exhaust-- 9.70's@135
66 GTO (Retired race car)
421 CID
Multiple NSCA/NMCA World Champion
66 GTO 389 3x2, 4 speed, 3.90 gear, Montero Red 33K original Miles
67 GTO 2dr Post, 428, Tri Power, 3.55 Gears
80 Trans Am Black SE Y84 W72 WS6
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