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IS300 LSx Build / Initial Startup

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Old 07-29-2012, 01:22 PM
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Default IS300 LSx Build / Initial Startup

Its been a long process of getting parts, making parts, getting things to fit etc for my build. Today I filled it with fluids and fired it up. Right now the belt is off because Im having a radiator made next week. I was so suprised that it fired right up, once we put gas in it :lolguy: Its going to MooreSpeed Performance next week for some "exhaust" work :fuckyeah:

EDIT: Heres an article LSXtv.com did on the car on 10/2/12....
Swap Insanity: Turbo LQ4 Powered Lexus IS300 - LSXTV

Specs:

01 Lexus IS300
07 6.0L LQ4
Built 4L60 Trans
Precision Industries Billet Triple Disk 3500 Stall Converter
Kurt Urban Rings
Clevite Rod Bearings
Brute Speed Blower Cam 232/240 .595 .608 115LSA
PRC 199-650 Springs, Titanium Retainers
90MM TB
FAST Rails
Bosch 044 Fuel Pump
80LB Injectors
Aeromotive Regulator
Ported Oil Pump
Billet Timing Set
76mm On3 Turbo (to be installed next week)
On E85 shooting for 6-650whp

Heres some pics:






Heres a vid:


Last edited by C6Antwon; 10-04-2012 at 08:41 PM.
Old 07-29-2012, 02:35 PM
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badass!!!
Old 07-29-2012, 03:02 PM
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awesome, you are building the car GM should have built. A small rwd sport sedan with LSX power, gota love it! (they gave us the G8 but it was too big and expensive).
Old 07-29-2012, 03:23 PM
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Looks awesome. What manifolds are you using and where will the turbo be mounted?
Old 07-29-2012, 03:38 PM
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looks badass bro very clean looking too
Old 07-29-2012, 03:47 PM
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Nice! that first start is the best feeling.
Old 07-29-2012, 04:22 PM
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Originally Posted by loudblack97z71
awesome, you are building the car GM should have built. A small rwd sport sedan with LSX power, gota love it! (they gave us the G8 but it was too big and expensive).
Yessir should be a fun ride to say the least

Originally Posted by rickyzZ28
Looks awesome. What manifolds are you using and where will the turbo be mounted?
Truck manifolds. The turbo will be placed behind the passenger headlight

Originally Posted by 1BadBlkB1tch
looks badass bro very clean looking too
Thank you sir

Originally Posted by LSCha0s
Nice! that first start is the best feeling.
the best feeling and the most nerve wrecking lol
Old 08-01-2012, 09:03 PM
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Added another piece to the turbo puzzle today, compliments of Chad @ On3



Also running one of Chads 76mm BB Turbos



And 2 HKS's



And yes the OEM hood closes....

Old 08-03-2012, 01:05 PM
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Got the gauges wired up, waiting on a wideband and a tru boost for the steering column mount.

Old 08-08-2012, 01:43 PM
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Made some progress on the hot side last night. Merge collector done and passenger side almost done. We ran out of stainless, the rest of it showed up today. Ill have updated pics tonight.



Old 08-08-2012, 07:36 PM
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C6Antwon,
Clean install. Isn't the turbo gonna on the thermostat/housing? What black braided hose and fitting did you use for your fuelrails? What is the procedure to install s fitting on them? I never did SS hose stuf before, so please pardone my questions/ignorance.

thanks,
Jim
Old 08-08-2012, 07:52 PM
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Awesome build. Big fan of IS models.
Great job, looking forward to your updates.
Old 08-08-2012, 09:41 PM
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The hotside is 99% done now, just waiting on a stainless flex section to arrive tomorrow.

Some of Jons welds tonight. He was a little under the weather today but still managed to do a great job as always.




Mockup of the passenger side


Passenger side done


We left the passenger to driver side unwelded as this is where the flex will go tomorrow.




Heres how we left it for the night. It will go up in the air tomorrow to get the downpipe finished. I plan to run an aluminum exhaust after it exits over the front K-member
Old 08-08-2012, 09:48 PM
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Originally Posted by Jimbo1367
C6Antwon,
Clean install. Isn't the turbo gonna on the thermostat/housing? What black braided hose and fitting did you use for your fuelrails? What is the procedure to install s fitting on them? I never did SS hose stuf before, so please pardone my questions/ignorance.

thanks,
Jim
Thanks

The thermostat housing will be modified with a new neck to run to the lower radiator hose. I used Jegs Pro-Flo hose. Heres the link: http://www.jegs.com/p/JEGS-Performan...61335/10002/-1

For the fittings I used Jegs AN fittings, heres the link: http://www.jegs.com/p/JEGS-Performan...57777/10002/-1

Its pretty simple really to install the AN fittings. Heres yet another link on how to do it, its easier than me trying to explain it to you lol. It is A LOT EASIER to assemble the fittings and line using the Pro-Flo line as opposed to the stainless braided line in my opinion....and the black looks better too I think:

Originally Posted by Tig
Awesome build. Big fan of IS models.
Great job, looking forward to your updates.
Thank you sir
Old 08-08-2012, 11:24 PM
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Can't wait for more updates and thanks for the "how to" video.
Old 08-10-2012, 10:23 AM
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Got more accomplished last night. Heres some pics

Crossover pipe getting fully welded



Intercooler pipes almost done


Piping bead rolled


Looks so mean
Old 08-10-2012, 03:12 PM
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holy crap, this is cool.
Old 08-11-2012, 09:14 AM
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What is the alternator off of and did you make the mount bracket ? Any closeup pics of it ?
Old 08-12-2012, 01:50 PM
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Originally Posted by aknovaman
What is the alternator off of and did you make the mount bracket ? Any closeup pics of it ?
I copied the Machine Head alternator bracket from a buddy of mine, since they dont make it anymore. The alternator is new from a 1991 Chevy 1500 truck with a 350 engine. Go into Autozone and ask for one, also order the pigtail from them to wire into the GM harness since its a different plug

Old 08-12-2012, 04:58 PM
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well done!


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