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Underbody braces, turbos and more!

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PostPosted: Thu Nov 27, 2003 8:35 am 
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I'm running a turbocharged Vitara. I'd post pictures but my web server is down, again.
10psi boost, chargecooler (water<->air intercooler), stock exhaust manifold turned upside down, EGR passage blocked, ported and with a flange welded to it. Seems to hold so far. Only drawback is it needs body lift so the turbo clears the hood.
I lowered the compression by skimming 2mm off the top of the pistons in a lathe, it's probably about 8.8-8.9:1 now.
I have had nasty way-above-20psi runs with lots of detting due overadvanced ignition, the line to the wastegate actuator broke, that cost me a head gasket, no big deal.

I got a fuel pump from a Dodge turbo car, and 2 injectors per cylinder, the fuel system is built for just over 200 crank horsepower.
Spark is handled by the stock ECU at the moment (due to change), fuel is handled by a Megasquirt ECU.
I'm probably making about 140-150hp with 8psi at 5000rpm at this point, with a small boost leak, heavy restrictive exhaust and a stupid bullet airflow meter in the intake.
I've been thinking about doing a DOHC conversion but it's still a 'maybe' thing.
The distributor will not fit because the swift uses a straight distributor rather than a 90 degree angled one. A straight distributor won't clear the firewall.
And the manifolds are very different.


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PostPosted: Thu Nov 27, 2003 5:04 pm 
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Turbonetics make damn good products, so you know you'll getting quality stuff. I'm not sure if anyone here is using their manifolds, but there was/is some discussion/mentioning of their manifold in some threads, nothing specifc thou.

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PostPosted: Sat May 29, 2004 7:43 pm 
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THe turbonetics manifold is the same part number for tracker 16v and swift dohc, which do not have the same manifold pattern... call turbonetics and get their absolute guarantee before you spend that kinda money.

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PostPosted: Tue Jun 22, 2004 4:24 pm 
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Location: Manchest, NJ USA
baldurg wrote:
Only drawback is it needs body lift so the turbo clears the hood.


Body lift? just fab it so the turbo sticks out of a hole in the hood drag-car style. Ram air effect and you'll scare the pants out of people on the street!

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I was once told by a shop teacher "you can't polish a turd". Well I don't consider a Zuk a turd, but I sure as hell would like to see my "turd" destroy his Mustang....

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 Post subject: g16b
PostPosted: Thu Jun 02, 2005 4:37 am 
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Location: Melbourne
why waste your time on the DOHC when the sohc 16v outflows it completely with comparable cam specs.???

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 Post subject: hmmm...???
PostPosted: Thu Jun 16, 2005 11:31 am 
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Joined: Wed Jun 08, 2005 9:45 am
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Location: Dalarna
baldurg wrote:
I'm running a turbocharged Vitara. I'd post pictures but my web server is down, again.
10psi boost, chargecooler (water<->air intercooler), stock exhaust manifold turned upside down, EGR passage blocked, ported and with a flange welded to it. Seems to hold so far. Only drawback is it needs body lift so the turbo clears the hood.
I lowered the compression by skimming 2mm off the top of the pistons in a lathe, it's probably about 8.8-8.9:1 now.
I have had nasty way-above-20psi runs with lots of detting due overadvanced ignition, the line to the wastegate actuator broke, that cost me a head gasket, no big deal.

I got a fuel pump from a Dodge turbo car, and 2 injectors per cylinder, the fuel system is built for just over 200 crank horsepower.
Spark is handled by the stock ECU at the moment (due to change), fuel is handled by a Megasquirt ECU.
I'm probably making about 140-150hp with 8psi at 5000rpm at this point, with a small boost leak, heavy restrictive exhaust and a stupid bullet airflow meter in the intake.
I've been thinking about doing a DOHC conversion but it's still a 'maybe' thing.
The distributor will not fit because the swift uses a straight distributor rather than a 90 degree angled one. A straight distributor won't clear the firewall.
And the manifolds are very different.


Hmm... I´m running a Swift 1.6 sohc -93 which i´m gonna turbocharge... The one thing I´m worried about though is the fact that it´s got single point FI. Is this a problem? would the fuelflow be sufficient? And if it wouldn´t be sufficient, is it possible/easy to convert to 4point?


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 Post subject: Re: hmmm...???
PostPosted: Thu Jun 16, 2005 5:55 pm 
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Location: Altamonte Springs, FL
dalapastorn wrote:
Hmm... I´m running a Swift 1.6 sohc -93 which i´m gonna turbocharge... The one thing I´m worried about though is the fact that it´s got single point FI. Is this a problem? would the fuelflow be sufficient? And if it wouldn´t be sufficient, is it possible/easy to convert to 4point?


The 1.6 16v motor is a 4 point injection system?! The single point is on the OLDER 8 valve motors.

Ps. Make sure I've got the single / 4 point..
single point is ONE fuel injection point (throttle body)
while the 4 point would be 1 injector per cylinder in a 4 cyl motor?

:D

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 Post subject:
PostPosted: Fri Jun 17, 2005 11:45 am 
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Location: Reykjavik
Not necessarily, I have 2 heads at home off carburated 1.6L 16V Suzukis. The intake manifold flange is a bit different.


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 Post subject:
PostPosted: Fri Jun 17, 2005 6:09 pm 
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Location: Altamonte Springs, FL
Nawwwwwwwwww... Must be something done outside the states.

NEVER seen a carb or Throttle body injected 1.6 SOHC 16 valve motor.
Even the 1.3 16v SOHC motor is port injection....

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 Post subject:
PostPosted: Fri Jun 17, 2005 9:14 pm 
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The Swift 4dr. sedan was available in Canada, in the 90's with a TBI 1.6 16V.

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 Post subject:
PostPosted: Sun Jun 19, 2005 7:32 am 
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Location: Reykjavik
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This is how we modified a carb/tbi head to accept a port injection manifold.


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 Post subject: g16b head
PostPosted: Sun Jun 26, 2005 8:38 pm 
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Location: Melbourne
you would have to bore the g13b block to accept off the shelf 75mm g16b 10.5 to 1 pistons or use g13bb 9.5 to 1 factory pistons to use the sohc 16v head.

edit* no mods required to use the sohc head on any other g series engine thanks to the valve angles being much narrower and flatter combustion chamber. Should have worked this out earlier after already known about the chamber and valve differences.

The valve angle on the sohc is better as per todays latest motorbike engines and the valves are bigger, ports are bigger it flows more stock than any g13b and it has more meat before it you hit the waterjackets.

The only problem is the factory detuned for torque cam, springs and retainers.

Tighe cams make cams for the g16b and g13bb that have more duration and valve lift than anything available for the g13b heads. Crowe cams have the competition or dble springs and titanium retainers are 35 a pop.

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Last edited by d on Fri Nov 03, 2006 10:17 pm, edited 2 times in total.

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 Post subject:
PostPosted: Mon Jun 27, 2005 9:14 am 
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The mad quebecer
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Good info D.

Yes the G16B head will bolt to the 1.3 block. Im almost 100% positive the stock G13B piston cutouts will clear the biggest valves. But as D said, you would need a bit more agressive cam to get the full potential of the head. Superfly (mike) has done some measurements on a vitara cam, Im sure he could suggest you something more agressive for it.

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 Post subject: Re: hmmm...???
PostPosted: Tue Jun 28, 2005 4:51 am 
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Location: Brisvagas
Nowhere wrote:
dalapastorn wrote:
The 1.6 16v motor is a 4 point injection system?! The single point is on the OLDER 8 valve motors.

:D


Ummm nope I have a 1.6 16v se-dan and it has single point injection. Its a full Japanese (grey) import though not one that was sold by dealers over here.

BCNU


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 Post subject: What was the result?!
PostPosted: Sun Jul 17, 2005 1:15 am 
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baldurg wrote:
This is how we modified a carb/tbi head to accept a port injection manifold.


Ok.. I can see what youve done... did u use the olt throttlebody/intake or did u have to replace that as well? Is it nessesary to convert it? and if so is the case, can i just disable the fuel injector, drill four holes and install f. a. megasquirt instead?!
I´ts kind of hard to see in the picture, but did you do any other modifications to the head other than the holes for the nozzles? Is it possible to simply take the intake/fuelrail etc. from a 4pt engine and just bolt it on to my engine (after modifying the head) would it work with the excisting ECU etc?!


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 Post subject:
PostPosted: Sun Jul 17, 2005 12:07 pm 
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Well, my car always had EFI. I was just replacing a cracked head and this was the only spare I had around. So I modified it to accept my old manifold.
I'm using MegaSquirt'N'spark for fuel and spark, and my engine is turbocharged pumping at least 15psi boost.


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 Post subject:
PostPosted: Tue Jul 19, 2005 12:17 pm 
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baldurg wrote:
Well, my car always had EFI. I was just replacing a cracked head and this was the only spare I had around. So I modified it to accept my old manifold.
I'm using MegaSquirt'N'spark for fuel and spark, and my engine is turbocharged pumping at least 15psi boost.


Ok.. thanx.. I understand. Anyone else out there who knows if it would be possible to just replace my single point EFI to a 4-pt.??

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Daniel Sköld, A.K.A. Dalapastorn.
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Owner of:

Swift 1.3 GTi -89 (going turbo)
Swift 1.3 GTi -90 (wreck)
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 Post subject: Re: g16b
PostPosted: Wed Sep 14, 2005 8:12 am 
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d wrote:
why waste your time on the DOHC when the sohc 16v outflows it completely with comparable cam specs.???


If I get my hands on a sohc 4pt intake manifold/fuel system would it work with the excisting ecu?
It seems to be the easiest way to get 4 pt is to just change the intake. The other way is to convert it in to a dohc. But then I would have to change practically everything in the electrical system.. am I right!?

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"Of course I can drift, it´s a Swift!"

Daniel Sköld, A.K.A. Dalapastorn.
(SWEDEN)
Owner of:

Swift 1.3 GTi -89 (going turbo)
Swift 1.3 GTi -90 (wreck)
Volkswagen Beach Buggy -67


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 Post subject: 16V SOHC with MFI
PostPosted: Thu Nov 24, 2005 9:43 am 
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Location: Brantford Ontario Canada
I'm late to this thread but I'm surprised that nobody has mentioned that here in Canada the Suzuki Esteem with the 1.6L 16V SOHC motor switch to multipoint injection around 1997.

I've been thinking of using this motor in a Swift hatch wired up to GT engine harness & ECU.

Cheers

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'89 Mazda 323 GTX
'87 Saab 900 SPG
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 Post subject: Re: 16V SOHC with MFI
PostPosted: Thu Nov 24, 2005 3:52 pm 
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Yosh wrote:

I've been thinking of using this motor in a Swift hatch wired up to GT engine harness & ECU.

Cheers

Me too, Bill.
I've even looked on car-part.com to see who has them in stock.
If only I could find a clean 98-01 car....

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 Post subject: Esteem 1.6 16V
PostPosted: Fri Nov 25, 2005 9:38 am 
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Location: Brantford Ontario Canada
Hey Mike,

How's it going?? There's a 97 Esteem in the Cathcart yard, but I haven't been able to get them down much on price - it's a bit dear for an engine with 275,000 km on it. It's also an automatic, so I'd need to use the flywheel, clutch and tranny from my 1.6 sedan.

Cheers

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'90 SSGT
'89 Mazda 323 GTX
'87 Saab 900 SPG
'79 Lancia Zagato
'70 TVR Vixen


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 Post subject:
PostPosted: Fri Nov 25, 2005 3:25 pm 
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With that kind of k, Iwouldn't bother. There'll be lots of that stuff in the yards soon enough.

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