20 Valve engine is escalating in popularity as the choice of engine in rear wheel travel conversions in vehicles including the AE86. Nonetheless it does have some more problems involved around a 16V in changing it to operate inside a north-south route. For the main fuel feed line I filed https://beckettsxyxv.actoblog.com/31965682/5-simple-techniques-for-4age-20v-turbo-engine-for-sale