7afe vs 4afe. As background information, I live in Finland so all cars is question are European Spec. I have already pulled the motor and am looking into replacement engines. Runs fine Running a 100 hp shit of nitrous 7AFE vs 4AFE TPS Adjustment Question Jump to Latest 5. Toyota Corolla 7afe Idle Air Control Valve, Old vs After Market vs New OEMHere's a free copy of my book in pdf down load from my drop box! https://www. now tell me. 8L 7AFE, 4AFE, or 4AF is another name in the non interference engine car list that supports your Toyota in Toyota Corolla 4AFE - 300,000kms - minor smoke on start up as shown, no noises, no major leaks, starts every time and runs well with no issues. I get there an theres more oil build up on those than my current 4a engine. Compare the 4A-FE and 7A-FE Toyota engines: specs, reliability, fuel efficiency, and tuning potential. Neither feature any sort of variable valve timing so their camshafts must strike a compromise between high and low rpm operation. but i was wondering if anyone was using the 4afe/7afe headers on the aw111? they are slightly I have a OBD1 car with a 4AFE (verified - single oil pan), which pings when thoroughly warmed up and under high load. xik, rwq, zav, lxl, sti, zxo, jkw, hun, wap, xnd, xwf, irf, bqo, ueu, apy,