1991 Toyota Supra Project...

Online MKIII TSRM:
http://www.cygnusx1.net/Supra/Library/TSRM/MK3/manual.aspx?Section=FI&P=114

And 12v mod writeup:
http://www.supramania.com/forums/showthread.php?62343-How-To-Walbro-Install-with-12VRelay-all-in-one-thread-with-Pics

This should get you going with the fuel issue anyway. I’m not too familiar with the 7mgte, but if you ever go 1jz, that would be another story!