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The mkiv Supra Owners Club

boost, AFR and timing


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Hey guys. I have some questions concerning mapping a Supra 2JZGTE.

 

What boost can a stock 2JZGTE handle?

 

What AFR and timing can I run in midrange and topend on a stock 2JZGTE-engine?

 

What is a safe/good EGT when running boost between 1,0-2,0bar?

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on jspec turbos' 1.2 is usualy the accepted max i think. You can push the uk/euro/us turbos to 1.4 at the very most but people tend to stick to 1.3 max.

No idea on your 2nd question.

Regards the 3rd question you wont last long at 2 bar with stock turbo's :p

 

Happy to half help :p

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ah. well, you did say stock gte :p

 

Jamiep/leep would be the best people to ask about this. Or Paul Whiffin. Not many other people have run high boost on stock engines in this country. (dont think pauls was stock).

Jamie has run 2+ bar on stock internals and got 700+ bhp, seems quite reliable as its run for a while like that.

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