Yet Another Turbo Project Begins

[Hortos]

Basically my friends who are mostly honda owners have decided they are going to turbo every vehicle they own creating such things as turbo 2000 DX coupes and LS/Vtec Turbo CRXs so I've decided to turbo my 325iC.

I have a CT26 turbo off of a Toyota Supra its a moderate size, I have a DSM sidemount Intercooler I'm placing where my windshield washer fluid tank is <God help me if I accidently hit it with the top down> so I can remove my high beams. We're installing Euro Projectors with City lights and I'm wiring those to come on when I flash my high beams. I have all the piping and a custom exhaust manifold adapter for the turbo.

Now the fun part, I'm assuming I need 19 or 21lb injectors and some form of MSD. My only problem with a MSD is I enjoy my chipped 6900 redline and MSDs usually have a setting for 7000 and I don't think my motor would enjoy hitting that under boost. For my FMU I'm thinking a 5psi increase per lb of boost should be ok will my stock fuel pump support that? I only plan on running 6 to 7 psi until I can do a 2.8 low comp rebuild.

So,
Do I need an MSD with a stock chip?
Anyone deal with those Vortech FMUs if so which boost rate works?
Is there anything special I should know before I end up stranded at the street races because I pissed my M20 off?

I'll do pictures and what not soon.

[mspiegle]

get a begi/cartech 2025 fmu. http://www.bellengineering.net/fmu2020.html
its a very high quality unit. I'm currently using it, and my garage-buddy is using it as well. Never have had a problem with it.

I think if you're going to run 6psi, with those larger injectors you won't need as much as a 5psi increase per boost from the fmu. That would mean @ max boost, you're pushing an extra 30psi through larger injectors... that's alot of fuel.

But that's just my opinion... someone here who has actually done a turbo on an m20 will tell ya.

[diegom6]

My advice is...if you are going to run only 6 PSI with a kind of FMU, you can use your stock injectors, 7 PSI you have to change them...I have currently 21LB/h @9 , 10 PSI with FMU working good in high revs, abit rich in idle, will fix it with the SMT6

You have chipp? if so, take i tout and restore your original ecu chipp, Chipp+Turbo = POP!

[darien28]

I'm gonna run megasquirt, the same one that matt is running.

What supra did u get the turbo from? the supra TT's use ct12's...?

anyways, good luck, as I am also ungoing a turbo project. what manifold are you using? I'm fabricating my own...

[Hortos]

Just got back from pick-a-part

The turbo I have is the CT26 off of I believe the Mark2 Supra the early 90s one. While I was up there I came across a 940 volvo intercooler and turbo in perfect condition except the intercooler is entirely too big for my car so I'm back to a DSM sidemount behind the headlight.

With the FMU I was thinking I could run an idle fuel pressure of around 2.5 bar and then have it step up from there since the injectors are larger.

I think one of my friends is getting a wideband O2 sensor kit for his laptop so we'll hopefully be able to tune this silly little car then I can sell it to a highschool kid for 6000 and buy a coupe :). I have this craving for a gutted E30 coupe with roll bars now.

Also quick question I'm assuming the temperature of the air entering the turbo means very little so would there be an issue if I rigged up a bracket to allow my turbo inlet to draw air through my interooler?

[E30godz]

Re: Just got back from pick-a-part

Also quick question I'm assuming the temperature of the air entering the turbo means very little so would there be an issue if I rigged up a bracket to allow my turbo inlet to draw air through my interooler?

You assume wrong, and that is impossible.

Maximum Boost - Corky Bell

amazon.com

:D