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RX-7 2nd Gen Specific (1986-92) RX-7 1986-92 Discussion including performance modifications and technical support sections.

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Old 11-05-2011, 05:20 AM   #1
RETed
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RETed will become famous soon enough
The HP #'s coincide with the drag strip #'s.
That's not the problem.

The problem is the stock turbo / stock ECU / (basically) stock fuel system / stock (top-mount) intercooler / *STOCK TURBO* claim.
I was hoping more info was going to be revealed before it all went to crap.
There is no way the stock turbo can support airflow at the claimed ambient temperatures at the claimed boost levels.
Although we don't have an official compressor map of the Hitachi HT-18, we can deduce it's airflow potential by measuring it's compressor wheel inducer and exducer - nothing fancy with that, and it's a well-known method to gauge turbo potential when you don't have the compressor map in front of you - I've already mentioned this, but most have ignore that reply.
That's my beef.

My experience with a Hitachi HT-18 running around 8psi to 9psi of boost would produce anywhere from 200hp to 230hp at the wheels.
Judge Ito is claiming 50hp+ over that.
I find it highly suspect.
Nothing more.
I'm not insulting him, his shop, or his reputation, but I'm sure you will argue otherwise.
Plenty of groupies will just raise the "Hater" flag, but I've been through that before.
Now you come in here and insult us by saying we don't know what the "East coast performance scene" is?
I guess you guys are running some rarified air or using some magic pixie dust out there then...
But you're just going to tell me I don't know what I'm talking about and just blowing sh*t out of my ass, right...


-Ted
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