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Can I build a cheap turbo system for my NA s5?

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Old 09-30-04, 03:55 PM
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Can I build a cheap turbo system for my NA s5?

I got a new s5, recent rebilt engine. i wanna bypass the whole intake/header/exhaust thing and go for something that really produces power. anyone know if i can put together a reliable custom turbo setup for under a grand? i want to use a TII intercooler and maybe a turbo off some 89 or 90's factory vehicle. totalbudget is under a grand. im not looking for massive gains, maybe something like 200hp so i don't need to go crazy with stuff prolly swap in TII injectors and Safc i have on my other fc for fueling.
Old 09-30-04, 03:57 PM
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its been covered...
and I would use a fmic instead of the stocker tmic imo... do you have a tii hood?
Old 09-30-04, 03:59 PM
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i ran a search and i saw people converting na to turbo but what im looking for really is a budget buildup. i want to use used parts from a junkyard or somewhere to get this done under a grand...

yeah and i have a tii hood that i can swap off my old na fc.
Old 09-30-04, 04:02 PM
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Originally Posted by blown13bseals
i ran a search and i saw people converting na to turbo but what im looking for really is a budget buildup. i want to use used parts from a junkyard or somewhere to get this done under a grand...

yeah and i have a tii hood that i can swap off my old na fc.
Well the n/a engine is high comp, which means the turbos are going to spool hella fast and cause you problems if you don't know how to handle it.

Your search wasn't very inclusive?
Old 09-30-04, 04:12 PM
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And s5 is even higher comp!

Best "budget build" for turbo'd n/a I've seen is sonicrats.
Old 09-30-04, 04:19 PM
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If u want a motor to blow up use the n/a motor. Ur better off buying a entire TII drivetrain and swaping it in.
Old 09-30-04, 04:20 PM
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Ahh, the weekly thread
Old 09-30-04, 04:21 PM
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Originally Posted by RotaryWeaponSE7EN
If u want a motor to blow up use the n/a motor. Ur better off buying a entire TII drivetrain and swaping it in.
yeah i forgot, he will have to beef up that n/a driveline. At the very least a aftermarket clutch that will keep from slipping, thats $300 right there.
Originally Posted by jon88se
Ahh, the weekly thread
:word: isn't there a stickie for the noobs that says search first? Then sarach again.. and again, then ask. If not there should be
Old 09-30-04, 04:28 PM
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Originally Posted by RotaryWeaponSE7EN
If u want a motor to blow up use the n/a motor. Ur better off buying a entire TII drivetrain and swaping it in.
DIE n00b! Misinformation sucks ***!

Yes, it can be done. A lot will have to be fabbed yourself. And it also depends on the deal you get on picking things up.

Drill & tap the oil pedistal for the oil feed (1/8npt)
Drill tap front cover/replace with tII front cover for oil return
RB Flanges & custom spacer (or you can pickup a TII intake setup and just port the **** out of the tII LIM to fit the 6port block), then no spacer is needed.
550 injectors
Walbro 190fp (or tII pump if you're not aiming high)
stock intercooler, either front mount it with the N/a manifolds, or go with the tII manifolds and stock mount it.
TII ECU/AFM/pressure sensor
Custom exhaust downpipe/etc (or buy a prefabbed if you use tII manifolds)
BOV
That should about do it, more than 5psi will eat your clutch alive, so I suggest porting the wastegate and just running it straight to the turbo's outlet as to keep the boost down.
Old 09-30-04, 04:40 PM
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nevermind.
Old 09-30-04, 04:42 PM
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lol, anything over 5psi pretty much slips the stock clutch, so you were kind of right. Mine held up at 5psi, though it could've been slipping slightly, at 7psi i couldn't even accelerate in 2nd gear...
Old 09-30-04, 04:43 PM
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i was gonna ask.. how much boost can you safely pull off of an na motor? lets just pretend i have 3mm seals. higher compression is always better, and i know a rotary can handle the power output, but lets pretend a low boost system, just to give it some extra kick.
Old 09-30-04, 04:51 PM
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Uhm, I'm running 14psi on a s5 turbo on my stock 6-port n/a block. That's going to change to about 17psi when I bolt on this BNR Stage 3, muhahaha!
Old 09-30-04, 05:13 PM
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ummm im a firm bleiver that sonicrat has lost it. haha, u should photoshop a can of something and put "Sonicrat, pushing the N/a toward its limits"
Old 09-30-04, 05:22 PM
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Originally Posted by SonicRaT
Uhm, I'm running 14psi on a s5 turbo on my stock 6-port n/a block. That's going to change to about 17psi when I bolt on this BNR Stage 3, muhahaha!
Omfg you're insane!! I thought I was going to be crazy running a BNR stage 1 at 12 psi when I do this, but you... You are crazy
Old 09-30-04, 05:26 PM
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I can hear the engine screaming in agony already, oh the joys of instant boost that will send my driveshaft flying through the floor!
Old 09-30-04, 05:29 PM
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Originally Posted by SonicRaT
I can hear the engine screaming in agony already, oh the joys of instant boost that will send my driveshaft flying through the floor!
Haha, most likely. **** I broke my driveshaft and I'm still n/a!
Old 09-30-04, 08:01 PM
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If u got the cash go ahead. But I'm pretty sure it would be cheaper and easier to swap the TII stuff over. I've done it. It was easy. And inexpensive....maybe 2500. I just bought a wrecked TII took it all out rebuilt it and put it in my GXL. GXL's body was pristine.
Old 09-30-04, 08:09 PM
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I think it looks better if you run a aftermarket intercooler down to the grill and loose the turbo hood might save some money to or at least the same price

Last edited by amishboy; 09-30-04 at 08:12 PM.
Old 09-30-04, 08:34 PM
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sonicrat, how much do you have in your setup $$$ wise.
Old 09-30-04, 09:56 PM
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$2000, including the car/plates.
Old 09-30-04, 10:42 PM
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so you think its posssible to get a mild turbo setup for around a grand. im going to replace the clutch for sure since mine is on its way out.
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