1985 Audi Quattro (UrQ)
16VT’s involvement: Wiring
in and calibration of Megasquirt;
bypassing boost cut
on original MAC-05 ignition ECU.
Chassis: stock;
Forced induction: Stock
KKK K26, modified Audi external wastegate
with
adjustable spring pretension, HKS blow off valve, 0.7 bar
of boost.
Engine: inline 5 2.1
litre, ~9:1 compression using 79.5mm pistons from Austrian market turbo
engine
Injection: Port
injected, 304cc highZ
injectors (280 150 785), fuel
rail made from shortened BMW rail.
Description: Ignition
and idle controlled by original ECU which provides rpm input to MS.
Dave cap
mod had to be used to prevent rpm spikes. Running MAPdot
since no TPS installed.