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Turbo options for a 4.3L


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Old 06-12-2008, 08:07 PM   #1
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what kind of turbo can I run on a 4.3 Cause when I have to rebuild my motor i'm going to look for an original v6 that I can punch out to like 4 1/8 bore or somthin and I want to run a turbo'd motor in my truck

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Old 06-14-2008, 11:55 PM   #2
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well i dont know what just happend to my last post so i will say this again...

its not a question of what turbo you can fit because i dont belive there are any kits or anything for the 4.3 , really what matters is how much you build the engine to handle a bigger turbo.

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Old 06-15-2008, 05:37 PM   #3
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so cause there isn't a kit can I run one from a 262 small block and the next question is can I make it work with a kit from a Sy/Ty

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Old 06-15-2008, 07:02 PM   #4
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you can make anything work with enough fabrication skills. and yes any turbo would work i guess like i said its just a matter of building the engine and fabbing things up

also this isnt what your asking about really, but if your asking these questions im sure this could help you out in general....

Forced Induction Defined + Basics

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Old 06-25-2008, 12:45 AM   #5
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teh win!

the hardest part is going to be programming the stock computer to handle the boost and provide additional fuel.

seriously, if youre looking for more power, save yourself some time and money and do an LS1 swap and be done with it.

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Old 06-30-2008, 09:12 AM   #6
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go to syty.net and search for used parts, more than likely someone on there has a set of used manifolds, turbo, upper and lower intercoolers and an ecm. Also try here for SyTy parts.

Syty

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4.3L V6 full roller, T57 hybrid turbo, 50lb injectors, Walbro 255, ATR/Conley 455ci air to water intercooler, methanol injection(straight..no water), built 700R4 w/billet TCS 9/11 2800 converter, stage 2 trans kit, MSD Digital 6+, MSD HVC II, Blitz boost controller, hydroboost, no cat and no muffler, K&N filter.

On a mild tune..
60'- 1.663
1/8- 7.998 @94.07 mph
1/4- 12.216 @108.02 mph
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Old 10-07-2008, 11:48 PM   #7
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I know this is an older post but....my 2 cents....

These are my plans when I get out of school and have...whats that called again? Oh yea, $$$$

From the motor my plans were to run some OBX Performance Race Headers. T-304 stainless steel mandrel bend for ultra fast flow-CNC machine flanges with TIG and MIG welded construction-Utilizes factory 02 sensor position. I belive now I'm going to run some long tubes. Ceramic coated, o2 bongs, the works. I figure what the hell.



Now the Y pipe is a little tricky. All I can find is a local shop that will do it how I want it. From the headers to the rear of where the cat bolts to the stock exhaust with a flange. (the cats NOT being used for sure!) just using it as an example. My truck is a 2000 and from what I understand and read is that the 00-04 s-10s are all a one peice y-pipe/cat set up. Im going to have the factory o2 sensor bongs welded back in and the pipe made of 2.25 pipe. (need to get the turbo spooling)


So I can take out the cat and not have a problem with the o2 sensor behind it. I was going to get a o2 simulator that tells the computer that the cat is okay and no code will be thrown tripping my "service engin soon" light. But have decided against that and will now (after instal) be getting a full custom PCM tune.

I will be using a TURBONETICS EVOLUTION WASTEGATE 1.38" ( 35-mm )



Like I said before. Ballistic Concepts T3/T04E Performance Turbocharger (60 Trim, .63 A/R) will be used.


To keep the turbo cool i will be useing a secondary oil pump, like a tilton oil return pump. This will be mounted somewhere under my truck close to the turbo.

I'll also need a catch can. This catch can will act as a reservoir for oil blown out of the outlets of the tappet cover.This way, instead of being put into the intercooler piping before the turbo, and directly into the plenum, the 2 lines both run into the catch can. Any oil that comes out of these lines will be trapped in the can, with no oil being recirculated where it's not needed.



The exhaust out will be 3" back to rear tire with a 3" stainless tip.


Ill be running a standared air filter that you find on any cold air intake set-up. its going to be run from inside the box to keep it out of the rain, weather, etc. ( it will be cooled air from the intercooler so im not worryed about hot air)
My intercooler and piping will be 3" for maximum air flow in order to get the air to the intake as cool and as fast as possible.


A GReddy Type RS Blow Off Valve will be used after the intercooler and befor my MAS.


I'll have a Turbo XS Standard Boost Controller to control my boost level and generate more power. This bleed type boost controller will let me increase my boost by around 12psi over my wastegate boost setting, if feel like like it. Hey, ya never know.
Ill be running a larger MAS.

A little intake mod will have to be made to pipe it all up.



Im going to take the TB apart and their is a restricter plate inside that limits it from actually being opened full throttle. it opens stock like 7/8 of the way. (im guessing on the messurment) But it dose not open ALL the way up at "Full Throttle".



A Bell Engineering / Cartech Adjustable FMU, 2025 will be used. This will add much needed fuel to EFI engines modified with turbos. This is accomplished by using the manifold vac/pressure to drive the fuel pressure up as the boost rises, and the vacuum goes toward atmospheric.


I will have to use a 258 PPH In-Line Universal Electric Fuel Pump High Flow In Line Fuel Pump For Throttle Body EFI Units
HOL12-927
Ill be running AutoMeter boost, air/fuel ratio, and oil temp. guage in my triple piller pod.

These are some prices of the things i'll be buying. They may vary depending upon what product and from where. They may have changes alot too in the last few years. This is a build I had while ago. I havent looked much into after then. School...$$$
-Headers-$175~~~~~~~~~~~~~~~
-Y-Pipe-$300ish~~~~~~~~~~~~~~~~
-Wastegate-$215~~~~~~~~~~~~~
-Turbo-$545~~~~~~~~~~~~~~~~~
-Oil Pump-$275~~~~~~~~~~~~~~
-Catch can set up-$40~~~~~~~
-Exhaust&Tip-$210~~~~~~~~~~~
-Filter-$20~~~~~~~~~~~~~~~~~
-Intercooler kit-$250~~~~~~~
-Blow Off Valve-$180~~~~~~~~
-Boost Controller-$85~~~~~~~
-MAS-$160~~~~~~~~~~~~~~~~~~~
-Intake piping-$20~~~~~~~~~~
-T.B. work-FREE~~~~~~~~~~~~~
-FMU-$60~~~~~~~~~~~~~~~~~~~~
-Fuel Pump-$160~~~~~~~~~~~~~
-Boost Guage-$75~~~~~~~~~~~~
-Air/Fuel Gauge Kit-$315~~~~
-Custom tune-???~~~~

Sorry for the size

FYI-the headers & custom Y pipe are NOT needed. They are just an idea I had to use at the time. To save some money you would not need to have them. The Factory manafolds and Y pipe will flow enough for the turbo to produce the boost you need.

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Old 12-17-2008, 03:23 PM   #8
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damn aint that some luck.. now i have a parts list for what i need to turbo my jimmy... thank you very much kind sir...

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Old 12-18-2008, 06:05 PM   #9
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haha, no prob...

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Old 05-30-2009, 01:50 AM   #10
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well something to look at is the twin turbo 4.3 on youtube 1045 hp alot of money in that but is your truck fuel injectin not tbi or carb but you can put a blow through turbo on it for like 60 more hp maybe more thin that is what im going to do to mine.

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Old 10-03-2010, 03:26 PM   #11
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I'd do like TxSy1430 suggested. Just copy a syclone. There's always Sy/Ty guys upgrading and selling there stock stuff.

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1998 GMC Jimmy, 2dr/2wd, 4.3L V-6/4L60E: , Wynjammer S/C @8psi, Accel 300+ ign box, Taylor 8mm wires, CFM-Tech tb blade, Trans-Go shift kit w/vette servo, cat delete, Hooker Maxflow muffler, Zexel Torsen LSD, Marine intake, 42lb/hr injectors, aeromotive stealth 340 in-tank pump, racetronix fuel pump wiring harness, AEM UEGO W/B A/F gauge, LS1 E-Fans, self tuned w/HPTuners, best 1/8th mile E.T. so far: 2.26 60' 9.55@73mph <<<6psi.
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Old 10-03-2010, 03:40 PM   #12
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Quote:
Originally Posted by 20twinz View Post
I know this is an older post but....my 2 cents....

These are my plans when I get out of school and have...whats that called again? Oh yea, $$$$

From the motor my plans were to run some OBX Performance Race Headers. T-304 stainless steel mandrel bend for ultra fast flow-CNC machine flanges with TIG and MIG welded construction-Utilizes factory 02 sensor position. I belive now I'm going to run some long tubes. Ceramic coated, o2 bongs, the works. I figure what the hell.



Now the Y pipe is a little tricky. All I can find is a local shop that will do it how I want it. From the headers to the rear of where the cat bolts to the stock exhaust with a flange. (the cats NOT being used for sure!) just using it as an example. My truck is a 2000 and from what I understand and read is that the 00-04 s-10s are all a one peice y-pipe/cat set up. Im going to have the factory o2 sensor bongs welded back in and the pipe made of 2.25 pipe. (need to get the turbo spooling)


So I can take out the cat and not have a problem with the o2 sensor behind it. I was going to get a o2 simulator that tells the computer that the cat is okay and no code will be thrown tripping my "service engin soon" light. But have decided against that and will now (after instal) be getting a full custom PCM tune.

I will be using a TURBONETICS EVOLUTION WASTEGATE 1.38" ( 35-mm )



Like I said before. Ballistic Concepts T3/T04E Performance Turbocharger (60 Trim, .63 A/R) will be used.


To keep the turbo cool i will be useing a secondary oil pump, like a tilton oil return pump. This will be mounted somewhere under my truck close to the turbo.

I'll also need a catch can. This catch can will act as a reservoir for oil blown out of the outlets of the tappet cover.This way, instead of being put into the intercooler piping before the turbo, and directly into the plenum, the 2 lines both run into the catch can. Any oil that comes out of these lines will be trapped in the can, with no oil being recirculated where it's not needed.



The exhaust out will be 3" back to rear tire with a 3" stainless tip.


Ill be running a standared air filter that you find on any cold air intake set-up. its going to be run from inside the box to keep it out of the rain, weather, etc. ( it will be cooled air from the intercooler so im not worryed about hot air)
My intercooler and piping will be 3" for maximum air flow in order to get the air to the intake as cool and as fast as possible.


A GReddy Type RS Blow Off Valve will be used after the intercooler and befor my MAS.


I'll have a Turbo XS Standard Boost Controller to control my boost level and generate more power. This bleed type boost controller will let me increase my boost by around 12psi over my wastegate boost setting, if feel like like it. Hey, ya never know.
Ill be running a larger MAS.

A little intake mod will have to be made to pipe it all up.



Im going to take the TB apart and their is a restricter plate inside that limits it from actually being opened full throttle. it opens stock like 7/8 of the way. (im guessing on the messurment) But it dose not open ALL the way up at "Full Throttle".



A Bell Engineering / Cartech Adjustable FMU, 2025 will be used. This will add much needed fuel to EFI engines modified with turbos. This is accomplished by using the manifold vac/pressure to drive the fuel pressure up as the boost rises, and the vacuum goes toward atmospheric.


I will have to use a 258 PPH In-Line Universal Electric Fuel Pump High Flow In Line Fuel Pump For Throttle Body EFI Units
HOL12-927
Ill be running AutoMeter boost, air/fuel ratio, and oil temp. guage in my triple piller pod.

These are some prices of the things i'll be buying. They may vary depending upon what product and from where. They may have changes alot too in the last few years. This is a build I had while ago. I havent looked much into after then. School...$$$
-Headers-$175~~~~~~~~~~~~~~~
-Y-Pipe-$300ish~~~~~~~~~~~~~~~~
-Wastegate-$215~~~~~~~~~~~~~
-Turbo-$545~~~~~~~~~~~~~~~~~
-Oil Pump-$275~~~~~~~~~~~~~~
-Catch can set up-$40~~~~~~~
-Exhaust&Tip-$210~~~~~~~~~~~
-Filter-$20~~~~~~~~~~~~~~~~~
-Intercooler kit-$250~~~~~~~
-Blow Off Valve-$180~~~~~~~~
-Boost Controller-$85~~~~~~~
-MAS-$160~~~~~~~~~~~~~~~~~~~
-Intake piping-$20~~~~~~~~~~
-T.B. work-FREE~~~~~~~~~~~~~
-FMU-$60~~~~~~~~~~~~~~~~~~~~
-Fuel Pump-$160~~~~~~~~~~~~~
-Boost Guage-$75~~~~~~~~~~~~
-Air/Fuel Gauge Kit-$315~~~~
-Custom tune-???~~~~

Sorry for the size

FYI-the headers & custom Y pipe are NOT needed. They are just an idea I had to use at the time. To save some money you would not need to have them. The Factory manafolds and Y pipe will flow enough for the turbo to produce the boost you need.
It would be better if you went with a LS2 MAF. You could get one from here, Lingenfelter Performance Engineering: 85 MM LS2 MAF Sensor or even better, search the salvage yards for one.

An bigger OEM MAF from a vette or something will be way better then one of those POS grantelli ones. Cheaper too.

_____________________________________________
1998 GMC Jimmy, 2dr/2wd, 4.3L V-6/4L60E: , Wynjammer S/C @8psi, Accel 300+ ign box, Taylor 8mm wires, CFM-Tech tb blade, Trans-Go shift kit w/vette servo, cat delete, Hooker Maxflow muffler, Zexel Torsen LSD, Marine intake, 42lb/hr injectors, aeromotive stealth 340 in-tank pump, racetronix fuel pump wiring harness, AEM UEGO W/B A/F gauge, LS1 E-Fans, self tuned w/HPTuners, best 1/8th mile E.T. so far: 2.26 60' 9.55@73mph <<<6psi.
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