I have an 89 RS w/TBI and I bumped up my timing from 0 to 4 degrees. Will this affect emission test that I must endure in a week?

Daily Beater 89 RS TBI: March pulleys, hypertech thermomaster/160 stat, 1/2 TBI spacer, Injector spacer, limited slip, all of Iroc suspension bin, Iroc short ratio steering gear, '89 Iroc Rims, Vetter servo,

 

It'll certainly make it tougher to pass. Just back your timing off for the test, then reset it afterward. It's a simple enough job...