TwinTurbo.NET: Nissan 300ZX forum - Perhaps this will answer any of your exhaust questions.
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Subject Perhaps this will answer any of your exhaust questions.
     
Posted by eriksu9 on December 18, 2008 at 1:23 PM
  This message has been viewed 81 times.
     
In Reply To Could someone guide me towards a exhaust explanation guide? posted by tandaman on December 17, 2008 at 05:35 PM
     
Message LMFAO!!!

First off, Jay, stay out of this.

Ok. I didn't want to mention it but I was thinking about turbo charging my Vette. I got to thinking about it and how in efficient even turbos are (compressor efficiencies of about 80% at best).

Since a turbo's function is to pressurize incoming air and force it into the upper motor, and turbos are driven by high pressure exhaust gas created from the combustion process, couldn't I just bypass the turbo altogether and route my headers back into the throttle bodies?

Since I have CFI, I could balance the DEI (direct exhaust injection as I just coined it) by feeding one header into each throttle body. Yes, the charge air wouldn’t be that cold, but it would be under a hell of a lot more pressure.

I attached a quick sketch below:[ http://pic.phyrefile.com/2007/11/09/dei.jpg ]

There are still a few things I need to work out:
1) How do I get the CFI aircleaner to fit in a way that hides this plumbing?
2) Does anyone make a V-band clamp that will bolt an exhaust header to a CFI throttle body?
3) What pinion angle should I use in my rear-end? I’m sure there will be a noticeable difference in torque output.

What do you guys think?

His replies are great too:


Quote:
Originally Posted by "The Nemesis_ZR2'
You should take a short walk on a LONG PIER, ASSFACEHOLE!

http://www.members.aol.com/eriksu9/images/1badz.jpg" BORDER=0>Hook up your Z here!
http://shutter06.pictures.aol.com/data/pictures/01/007/1E/26/37/49/y31pX8VI9hvTpqEyjcNQn1s0uiucrXdb0060.jpg"
****472 RWHP/461 TORQUE ON 110 RACE GAS @21 PSI
****438 RWHP ON 93 OCTANE PUMP GAS/STOCK MOTOR****
****429 FT LBS/TQ*******************************

Also own:

2001 Harley Davidson Custom Softail Deuce
1997 Ford Explorer XLT V8 AWD
1993 300ZX 2+2 NA
1991 Yamaha YZ250
1985 Ford Bronco 3" lift, 35" Tires

Sold:
1986 Yamaha FJ1100
1987 Nissan 300zx na(Z31)
1979 280ZX 2+2
1972 MGB
1968 Pontiac Firebird
1972 Nissan 240Z, dual webber carbs, etc

     
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