You already have the valve covers off, so get a GOOD torque wrench and check the head bolt torque. IIRC, stock bolts should be good for ~72 ft. lb., far better than the original 58. Take a good look at a bolt head and see if it says SPS or ARP. Those are aftermarket bolts and will take a little more.
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"You see, wire telegraph is like a very long cat. You pull his tail in New York and his head is meowing in Los Angeles. Do you understand this? Radio operates the same way: You send signals here, they receive them there. The only difference is there is no cat." A. Einstein
1988 and 1990 Turbo Supras
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