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Discussion Starter · #1 ·
alright, i came into a 1.9 efi HO...and im thinking of doing a rebuild, and building it up. And slapping a turbo on...now my question is, what do i need, what size size should i put on, and also what do i need to do to make it turbo ready (pistons, head rings anything special). hoping you guys could hook me up with some answers. i think my 89 lx would be a sweet sleeper with the 1.9 ho turbo...dont you?
 

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I'm thinking the same thing that you are, however I'm running a 1.9 SEFI but plan on swapping out to a 1.9 HO for the lower compression ratio and larger valves. A lower compression ratio means you're going to be able to run a little more boost with a little more safety, but I'd keep it around 5-7 psi with a good FMU and an MSD DIS-2 unit to back it up.

First off you need to go shop around at junkyards (trust me, real cheap, budget shopping yay!) for an 84-86 Turbo Escort. Take the exhaust headers, the downpipe, the intake manifold, and the turbo. The Escort's IHI RHB5 turbo is small true, but a smaller turbo will spool up a lot faster at lower engine speed (resulting in higher low end powerband torque output). The reason you want low end is because the escort engine does quite nicely at high engine speeds anyways :D I don't know about the GT model, but the LX i next to worthless on a takeoff, but at high revs she'll compete quite nicely (kills many hondas gladly lol). With a new dual friction clutch, MSD system and a turbo I hope to fix that shortly.MWUHAHAHAHAHA!!! :twisted:

Also if your thirst for power is not quenched, try looking into putting in a twin turbo, or a big and a small turbo sequentially for high and low rev output. However your internals will need some work to be able to hold the psi.

I'm also still learning on the whole turbo scene but you're also going to need to find new fuel injectors *looks clueless as to how much the rate of flow should be* BOV's and Wastegates and oil return lines oh my! I have a lot to learn too :wink: There are a lot of other threads discussing the same thing so check them out too, and good luck! With a turbo though you're going to eliminate any little low end annoyance you may have had and make your 1.9 HO a nice little spot in other driver's nightmares. :twisted:
 

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I disagree on a twin turbo set up. Probably better to go with a single turbo. Something matching the displacement is best. Something close to a Garrett GT25 would be perfect. Tightly trimmed. Smaller IHI's would work well too.

Boosting a motor all depends on how much you want to sink into it. do you just want to be turbo'd or do you want power? Its like anything, you can do it, or do it right.

Doing it right envolves, fuel system, ignition system, crank, pistons, rods, head-work, and a whole lot of time.

But I can tell you if you choose to just turbo it the easy way...as time goes on you'll become addicted and just start doing it right anyhow.
 

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Discussion Starter · #5 ·
well i decided im gonna go cheap setup at first, with the old Turbos off the older scorts. this is for now, ill up grade everything as i go. and ill have pics as i go along. Now to the Junkyard for the turbo and other parts id need.
 

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Blade's probably right on the twin turbo setup, one smaller turbo with the right setup is all you'll really need. Well good luck turboing your scort, hope to see some pics, i'll probably post some of my pics too as I work on my own turbo system.
 
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