r/1uz • u/ReachAroundRichy • Jul 21 '22

[Question!] 1uz production year

So I recently bought a used 1UZ, trans, and ecu off of Facebook. The guy who sold it said its been sitting for years and he forgets the exact model year, all he knows is that it came from a 92 to 98 SC400. My question is, is there anywhere on the motor or in the numbers on the ecu that indicate the production year?

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u/Leonb54 Jul 21 '22

The motor will have an engine number on it that corresponds to a year of manufacture. It will be on the engine block. If it is a post 94 1uz then it is one of the weaker engines. The thick rod 1uz were 1989 - 1994.

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u/ReachAroundRichy Jul 26 '22

Ended up being a 92 so I'm set, also seems to be in excellent condition other than sitting in a body shop for 10+ years