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Message: <blockquote data-quote="ZeroG84" data-source="post: 1458441" data-attributes="member: 24342">I have a 95 mustang 5.0. Before the rebuild it had a 70mm throttle body, long tube headers, high flow cats and a cold air intake.I started burning too much coolant so did a rebuild. For the rebuild I added the following mods:96 explorer gt40 heads (3bar)96 explorer upper and lower intake manifoldsComp cams 987-16 valve springsFRPP F303 camUnder drive pulleysProm-m 75mm MAFAll new engine gasketsThe first time I turned the car over and warmed it up the rockers sounded a little loose after a 5 min drive, which it also had horrible pickup at low rpms. I parked it overnight and started it up in the morning and it had a horrible valve train noise. When I took the top end apart and got the valve covers off, 13/16 rods were bent, 1 rocker broke and 3 had the push rods inside the rocker arm head.I followed the valve lash procedure for TDC at each cylinder in firing order and thought everything was good. Any ideas? Please help. I have another set of stock stamped rockers and push rods.....</blockquote>