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57taskforce · 07-25-2017, 08:14 PM

The fact that it looses power under load makes me rule out an exhaust leak. Like said above pull the valve covers and I bet the problem becomes relatively obvious.

07-25-2017, 08:14 PM	#18
57taskforce All about them K’s Join Date: Jun 2014 Location: Farmington, New Mexico Posts: 6,274	Re: Engine issue tap, tap, tap tap, tap, tap The fact that it looses power under load makes me rule out an exhaust leak. Like said above pull the valve covers and I bet the problem becomes relatively obvious. __________________ Tyler '57 3100 http://67-72chevytrucks.com/vboard/s...d.php?t=813888 '72 K20 Cheyenne http://67-72chevytrucks.com/vboard/s...d.php?t=662879 ‘69 K10 SWB http://67-72chevytrucks.com/vboard/s...d.php?t=805206 '98 Silverado LT K2500HD ECLB Vortec 454/4l80E: 6" lift 315/75/16's ‘87 IROC-Z all original 50K mile survivor TPI 305 IROC Blue ‘10 Camaro 2SS/RS Aqua Blue Metallic #93 -version 2.0