Quote:
Originally Posted by RALLY
Steve possibly a cracked head causing the antifreeze in cylinder 8? Worse case a cracked block? Like you stated a failed head gasket. I had a slight engine vibration years back on my 70 Chevelle SS which we traced to a bad motor mount. Love the 302 Z- Engines. Agree reason you stayed with the 302 is unique for sure.
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It was rebuilt and reinstalled March 2013 and has 4.5 k miles on it. It had 492 angle heads installed and I changed back to correct dated 186s. The 186 had smaller 1.94 valves, but upgraded to 2.02. I suspect a head issue because the builder noted he ran into some issues at the time.
I considered stroking but again I wanted to feel that high reving low torque 302. Based on the dyno sheets it produced 373 lb/ft of torque. I will likely stay with the orig engine configuration. We will see.....