|
Registered
Join Date: May 2015
Location: Secret lair deep underground
Posts: 1,807
|
Quote:
Originally Posted by dannobee
Hans Mezger wrote an SAE paper on the secondary air injection system helping eliminate turbo lag. Adding air to the exhaust raised the EGT by 80-90C degrees, helping the turbo spool up faster.
 |
Interesting. Is this a general paper, or specific to the 3LDZ setup with the 930.
Based on the graph peak HP isn't changed, just reached a few hundred rpm earlier. I wonder what the effect would be with the modern earlier-spooling turbos many of us have.
__________________
'86 no-sunroof 930 coupe: Emissions removed, FrankenCIS controlling eWUR, lambda, COP ignition. Tial f46P 1.0 bar spring, SC cams, K-27/29, lightweight clutch, TK Longneck intercooler, RarlyL8 headers and dual-outlet hooligan
'14 Jaguar XK-R: Bullet proof windscreen, rotating number plates (valid all European countries), martini mixer, whatever you do don't press this red button!
|