So my '89 has a swedish dynamics box, 3 bar FPR, and bigger injectors. If it matters, it also runs a cooler thermostat and generally operates at 1/4 on the stock temp gauge. Different from stock C900 turbos Ive owned in the past, this APC seems to almost never cut boost, and will...
Here are my mods
-redbox SD apc
-3" downpipe with 2 3/4 full exhaust. high flow cat and glasspack.
-open cold air intake
-sunpro boost gauge
-all new silicone vacuum lines
then "home-done" modifications.
-recirculating valve unhooked and plugged hole on turbo
-turbo waste gate actuator turned...
I am buying the following for my 1986 SPG
-9000 350cc 34lb injectors
-Swedish Dynamics Red Series ACP
-New distributor cap and rotor...along with some blue plug and coil wires from NGK
-A cold air intake mounted directly to the MAF box(for now).
My car already has 2 3/4 down pipe and 2 3/4...