junkyard motor GTO turbo build. - LS1TECH

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junkyard motor GTO turbo build.

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Old 01-26-2012, 09:26 PM   #1
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Default 4.8 GTO 7675 build

heres some pics of my turbo build parts..

.
Junk yard motor. 4.8

TRUCK MANIFOLDS






Intercooler piping/tbolt clamps/ couplers


38mm wastegate, 50mm BOV


hotside blanket



Intercooler/piping on


Remounted the tranny cooler


Random pic


90degree coupler, T4 gasket


Intercooler piping, driver side, outlet of turbo


IC PIPE


cleaning the manifold


After


Upper IC piping, just need to get the BOV welded


Another angle



BOV flange welded


oil feed


oil return


finished IC piping





oil lines. feed/drain and manifold flange












Last edited by a4ls2goat; 03-01-2013 at 07:47 AM.
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Old 01-26-2012, 09:30 PM   #2
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car is now running, just waiting to get the injectors.
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Old 01-26-2012, 09:47 PM   #3
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Nice build. Do you got one of the ls2's? Judging by the hood. Also, I take it your doing a front mount? Cause I see you got a set of truck manifolds. If you hit 10's on the bottle I can see this thing going in single digits. especially if you eventually go with cam, heads, + more boost.
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Old 01-26-2012, 09:51 PM   #4
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Quote:
Originally Posted by T76s10 View Post
Nice build. Do you got one of the ls2's? Judging by the hood. Also, I take it your doing a front mount? Cause I see you got a set of truck manifolds. If you hit 10's on the bottle I can see this thing going in single digits. especially if you eventually go with cam, heads, + more boost.
the build is done. check out all the pics.

yes its a stock ls2.

the car went 10.75 at 130.7mph on a GM cam and 175 shot.
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Old 01-26-2012, 09:52 PM   #5
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What turbo is that? Nice build by the way.
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Old 01-26-2012, 09:54 PM   #6
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its the famous GT45 y2004k turbo.
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Old 01-26-2012, 09:57 PM   #7
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Ok I see the rest of the pics now. Let us know the times once you get to the tracks. I plan on doing the same thing to one of these in the future
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Old 01-26-2012, 10:09 PM   #8
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forsure man.
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Old 01-27-2012, 12:22 PM   #9
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looks great!...
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Old 01-27-2012, 01:00 PM   #10
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looks good,

2 questions:

1- how are you supporting that turbo, doesn't look like it is mounted to the body (and if it is i hope you are using solid motor mounts). if it isn't i'd expect the hot side will probably crack after a few heat cycles.

2- how are you going to run an air filter with the turbo mounted like that?
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Old 01-27-2012, 01:55 PM   #11
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Quote:
Originally Posted by dville_gt View Post
looks good,

2 questions:

1- how are you supporting that turbo, doesn't look like it is mounted to the body (and if it is i hope you are using solid motor mounts). if it isn't i'd expect the hot side will probably crack after a few heat cycles.

2- how are you going to run an air filter with the turbo mounted like that?
The car has solid mounts.
but I'm in the process of building a little support for it.

Ill be running a Turbo mesh instead of the filter.
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Old 01-27-2012, 02:13 PM   #12
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Which setup u think is going to be faster old nitrous or turbo?
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Old 05-02-2012, 08:13 PM   #13
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Any updates on the car?
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Old 05-02-2012, 08:32 PM   #14
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Currently putting a 5.3 motor in the car. Should be done within the next couple of days.
Getting it tuned with pump gas and Meth. Dual nozzle.
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Old 05-02-2012, 08:47 PM   #15
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I can only imagine the back pressure behind that turbo with that exhaust setup, do you have a cutout anywhere their?
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Old 05-02-2012, 08:57 PM   #16
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Just to clarify, coming from personal experience... See pic below, i went that route, and used twin spin techs, i can tell you this, from cut out open to cut out closed, night and day difference.

With it closed, boost was WAY slow to build, it may have seemed fast at first, then i opened it, night and day, not to mention, it was way easier to use my boost controller...

Just givin some friendly advice from being their and doing that before.

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Old 05-02-2012, 09:09 PM   #17
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We were able to get it down to 9psi on the single 38mm wastegate.
I have been thinking of putting a cut out.
I'm running 3in catback with borla mufflers. Full boost was at around 3800rpm.

Any pics of the the cutout??
Thx for the heads up btw.

Last edited by a4ls2goat; 05-02-2012 at 09:25 PM.
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Old 09-04-2012, 09:01 PM   #18
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how did this turn out?
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Old 09-16-2012, 01:44 AM   #19
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Quote:
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how did this turn out?
Just got the fuel system all ready to support e85.
Double walbro pumps. Aftermarket regulator/ return. 80lb injectors.
And added a cut out.

Just waiting to get it tuned than ill be going to the track next month.
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Old 09-16-2012, 08:30 AM   #20
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How did you setup up your fuel system? Feed? Return?
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