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3rd Q »
https://forums.nicoclub.com/3rd-q-u15667.html
Tue Feb 07, 2006 5:33 pm
Cro,Does not look like a USDM engine w/TCS. The extra gooseneck on the TB would be longer and have a TCS sensor on it. May be JDM engine- perhaps Q45tech will chime in.
The dealer may be able to use the serial number on the engine near the firewall to find out the year- not sure how visible it is since it's very tight back there.
I think it's a safe bet that it is a '90-'93 since they would have had to switch out the wiring harness or the heads to make a '94+ work in your car.
Paul