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Dr. Jeff Lange
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9,352 Posts
1st gen and 2nd gen are almost identical, the only difference was the PVC setup IIRC.

The 3rd gen was the VVT-i single turbo engine.
 

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416 Posts
1989-1992 1jz = Pre-recall PCV setup
1993-1996 = post recall PCV setup
1997+ 1JZ = VVTi

The pre-recall supras could be fitted with either PCV setup just depends on if the owner performed the recall at toyota. Im not aware of any recalls made on the VVTi 1JZ.
 
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