TwinTurbo.NET: Nissan 300ZX forum - Well, some answers
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Subject Well, some answers
     
Posted by Kez43 on January 29, 2003 at 11:38 PM
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In Reply To I cant believe Im hearing this.... posted by therinL on January 29, 2003 at 11:13 PM
     
Message Not sure how to take what you said as an attack or a question.. but anyways:

:- MEASURING detonation:
Didn't know you could 'measure' detonation.

:- MEASURING injector duty cycle:
Nope, wasn't measuring injector duty cycle (but will be soon with the Zemulator, thank you very much =P)

:- MEASURING EGTs:
Nope, wasn't measuring EGTs. BUT mind you, that with bigger turbos, the turbos are spinning LESS fast to produce the SAME amount of boost as a stock turbo. Hence LESS heat created while running same boost and because of that, lower EGTs.

:- MEASURING O2s:
Nope. But I know that I wasn't running so lean that I could hear detonation. I know that it can't always be heard, but from I can tell, no damage has ever been done to my engine, and there was NO audible detonation whatsoever. Besides, I'm getting 555 injectors to make sure I never detonation because of maxing out the injectors.

Also keep in mind when I mentioned this, I was speaking of a one-time instance, and that boost pressure was only held for maybe 2 seconds.

Heck, one day soon I might actually give you 450rwhp. Give me a bit of time (and money, ::sigh::). I've got the turbos to do it, and I'm getting the injectors. Add in some porting and polishing I'm hoping Ash will do for me sometime soon, some bigger intercoolers, downpipes, and testpipes that I already have, and I may just reach that.

:AND that all of those things were within safe boundaries at 17+psi on pump gas with stock injectors???:
Lastly, you should have read what Coz said. You can run 18psi on stock setup (granted my turbos are larger, but I'm not exceeding 17psi at any time) without a problem, as long as your car is running right. My car fits that description.

Kez

"Pulled the blower fan down from behind the glovebox and there was a mouse nest inside the cage fan - mom and 6 babies. Mom was dead and the reason for the smell - petrifying fast - but the babies were hanging on. At least until I fed them to the cats." [ZXtaZTT - June 19, 2002]

     
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