7m-gte is the the turbo motor that came stock in 87-92 supras
7m-ge is the non turbo 86.5-92
1jz was a twin turbo 2.5 liter only released in japan and australia. (available for import. many do the swap.)
You can search online vendors, ebay, or local engine importers. There are plenty of em out there.
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Nate
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