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Old 03-26-2006, 06:49 PM   #7
Jugador
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Join Date: Jul 2003
Location: Bangladesh
Posts: 4,835
Default RE: adding a turbo

"the whole bottom end" is kinda misleading since the only difference in the turbo and non turbo rotating assemblies is the low compression forged pistons. i have a 93 lx and it's still the dual plug motor with a turbo. pretty much there are 2 ways to turbo a stock motor. 1. you're gonna have to either get an aftermarket 5.0 mass air meter calibrated for 36lb injectors (you'll also need to get the injectors) or 2. swap to a turbo car's ecu (la2 or 3 from the 87/88 turbocoupes are the most common ecu to swap to) to have any way of tuning your motor. the first method (which im pretty sure my car has) is pretty much a bandaid, but is the easiest way to safely run boost on a stock ecu since you cannot tune it. you'll need an e3 or e6 manifold from a turbo car, a turbo, probably full exhaust since you'd have to get a downpipe anyway and connecting that to the stock exhaust would be very restrictive, intercooler and piping (this would be a very wise choice since even with forged 8:1 compression pistons from a turbo car, your compression is going to be around 9-9.5:1 because of the dual plug head and you don't want predetonation), valves from a turbo head fit right in our cars but require a valve job (but stock valves should be able to do 15 lbs of boost easy), and it would be really wise to get a copper headgasket since stock is not going to like much over 5-7ish lbs of boost probably. i'm sure there are more things i forgot to mention, but if i haven't scared you from this idea yet, i'd be glad to help you out more.
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