Lude Generation

right then, if your dead serious don't bother with stock ECU, make your own engine wiring harness and go custom ECU, don't use MSD, go with Electromotive which will have 3D mappable Ignition and Fuel Injection, it also has a twin coil setup and is crank fired, so you'll need to add a crank sensor and trigger disc, this swetup is great for NOS or adding turbo or supercharger, as it can be setup to retard ignition under boost to eliminate detonation.

The next hard decision is to decide wether to mod existing alternator to fit B20A which can be done, Civvy did it originally or transfer whole car wiring loom from SI model and use the SI alternator. A lot of hard work!! Better still use a race alternator and just make up your own wiring but the Carb alternator is tougher than SI ones!!!

You will need all the mounts for B20A from Accord it may fit directly in, but a B20a prelude mounts won't, you need to change the side mount from the old engine onto B20A and the front mount is further forward, but you may be able to make somethign up or move the existing mount further forward so that it fit's, important bit is rear bracket you must get this, also you must get the axles, and if you want to stop better the uprights and brakes are better, if not you existing ones and do the 1st gen Teg brake upgrade which has better pads and bigger discs 260mm. Cause with 180-200bhp you'll need brakes bigger than 235mm!! As far as induction goes, don't bother with stock injection system, get B18 inlet manifold from pierece manifolds or redline manifolds or Jenvey, then get ITB's bodies, you can add Nos or even later Turbo to these, but fo ran NA motor with some mild headwork and cam work, B20A should easily hit 200bhp with a big bore exhuast and descent manifold you should hit 230-250bhp, get a ally flywheel and very strong race clutch 6 puck would do.

You can use SI fuel tank, then just use aftermarket injection fuel lines and get a new pump, also injectors will be cheaper and more available if you go with the ITB's if you uswe the stock manifold your limited. You could also go with Edelbrock intlet manifold but Shady's gone that route and i reckon you'd love the sound of ITB's as loud as webers!! And you'll ultimately have more power as well!! With B20A i reckon if your dead serious about power output 50mm ITB's or if your going to keep it more on a lower level 40-45mm.