Others have said that it is definitely not rod knock. I'm leaning towards valve lash, bad valve spring, or something clogging one of the oil passages causing oil not to lubricate something due to the fact that I had no problems before doing a head job and I had the head off for three months sitting under a tarp before puttin it back on.
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1991 Supra - Turbo - 5spd
60-1 upgraded turbo
Lexus AFM
3" exhaust, 4" tip
SAFC 2
550cc injectors (2 sets, venom direct fit, RC engineering)
2.5" intercooler and piping
Aluminum radiator w/dual electric fans
ARP bolts w/MHG
Full-auto turbo timer
Fidanza Flywheel & Stage 2 Clutch
spark plugs and wires.
power steering pump
cold temp start switch
engine top end rebuilt
transmission opened up and inspected at a tranny shop when the flywheel and clutch installed last week.
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