Go in stages. 5efe, corolla inlet manifold, 50mm throttlebody. We had 115hp and 130lbft An oil change is the very first thing I suggest to do. Also a paseo gearbox is faster in 1st, 2nd, 3rd and longer topspeeds in 4th 5th. A 4branch exhaust manifold would be a good idea aswell. You can use the jap 5efhe or the easy to find 4afe uk corolla 4_2_1 exhaust manifold. Take the 50mm throttlebody from the same engine. Then get management. Emanage is cheap n handy or even apexi safcII Forget cams and throttlebodies until u have the.other parts.