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SUPRAGTE
Forums Junkie

Location:
North Sydney
Registered:
May 2002

Re: emmissions on a 1jz-gte 1984 ma61	Sun, 12 January 2003 02:58

I just told my engineer my 7MGTE came out of an Australian spec supra then he didn't even require an emissions test. He asked if I was sure and i said yes, it was out of my uncle's smashed supra. I had the microtech on it when i got it engineered so I just put the Air flow meter back on and cable tied the wires down inside the quarter panel, just incase he knew 7mgte's have AFM's. 1J's dont do you dont have to worry bout that. I don't know which cars came with the 1j through the normal "Australian delivery" door. I thought all 1J's were "imported" only. If a car was imported it hasn't really passed the ADR emissions tests. That why an "Australian delivered" car is better to use as a donor. The engineers and EPA are sceptical because of the tuning in the ECU. (Like the S15 in Jap has 187KW and Aussie has 147KW and they're identical physically) Avoid emissions test at all costs. Factory ECU's wont pass on an engine that has done over like 40k kms. There are a whole lot of tests your car has to pass. You will get knocked back, and will be forever going back to the Botany or Penrith testing station trying to get it passed. The morons at the test station will tell you to replace this and that. You spend shitloads of cash, come back and it still doesn't pass, then they take another guess at what is causing the emmissions and tell you to replace that and so on........ With a microtech, you have 4 eeprom locations. If I ever have to get emiisions tested i'm going to use the third location strictly for passing this test. (First=full power, second=economy) Then you just tune this memory location for a/f ratios dead on 14.7:1(stoichiometric ratio which is the excact ratio to ensure all particles of are burnt effectively with the least emissions) It's very easy to do this cause they just free rev your car at 500rpm intervals up to 3000rpm apparently. You can set your values in the MTX for those rpm bands and how much fuel you inject and its easy. My engineer is in Rydalmere(near ermington) costs me $440 incl GST for full engineers report. PM me if you want the details [Report message to a moderator]

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