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Another LS swapped IS300 by dedicated-matt this time with boost and drag prep

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Old 12-16-2013, 08:43 PM
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Eyes locked on this, just picked up a is300 and a swap is in its future
Old 12-16-2013, 11:16 PM
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Originally Posted by ATSMATT
The stock Irs can take around 800hp and some drag racing. Depending on time I plan to fabricate a custom 9 inch IRS unit. I've already purchased the universal unit from DSS. Should be here in a few weeks

Matt
I think some of the other swaps just used the IRS unit out of a GS400, GS430, or Supra. I'm sure the 9" unit is superior, just pricey.
Old 12-17-2013, 07:34 AM
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Originally Posted by FAST LS1
I think some of the other swaps just used the IRS unit out of a GS400, GS430, or Supra. I'm sure the 9" unit is superior, just pricey.
It is pricey but I get a really good deal on DSS products so when you weight it all out its about the same as swapping a TT rear end, dss axles, aftermarket LSD and driveshaft plusI get to choose the final drive ratio. Plus any diff aside from the stock is300 diff housing will require the same amount of fabrication


Matt
Old 12-19-2013, 08:16 PM
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Pistons finally showed up so its time to send this guy off to the machine shop. I chose the LC9 block since it has the thickest liners of all the aluminum blocks coupled with the newest block structure available from GM. Although I'm a die hard 2jz enthusiast I still find the technology of these push rod motors interesting.


Wiseco is the only piston manufacture I know that makes an off the shelve forged piston for the 5.3L (3.800 bore). These combined with my heads and gasket should put me around 11:1 compression...yeah I'll be on the corn.


Keeping it light and simple I picked up some "Scat" rods. Who picked that name BTW? Scat"ter all over the track. Anyway each one should be more than capable of handling 125 horse power per hole. They even come with 7/16 ARP 2000 hardware


Turbos, intercooler cores and 9inch IRS differential are on the way!

Matt
Old 12-20-2013, 03:45 PM
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Dang Matt! I need to step up my game. I thought I was doing good with my dry sump LS3 but this thing is going to be a monster.

Please make the diff swap version 2 of the build. I would like to see how much the stock diff can handle. Shim up a MKIII Supra clutch type and see if it holds.
Old 12-21-2013, 08:45 AM
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My wife has one of these just begging for an LS motor. Sorry if I missed it but what are you doing about the trans?
Old 12-21-2013, 10:07 AM
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Definitely subbed! Glad I ventured out of the F.I. section today!

Do you work at T1R?
Old 12-21-2013, 10:52 AM
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Originally Posted by Stancel
Dang Matt! I need to step up my game. I thought I was doing good with my dry sump LS3 but this thing is going to be a monster.

Please make the diff swap version 2 of the build. I would like to see how much the stock diff can handle. Shim up a MKIII Supra clutch type and see if it holds.
I'd love to not spend the $$$$ on the diff right now but I would really like to go hit TX2k14 hard without anything breaking lol

Originally Posted by ButchB
My wife has one of these just begging for an LS motor. Sorry if I missed it but what are you doing about the trans?
I doing an F-body style TR6060 with the magnum 31 spline main shaft and fully REM polished internals .

Originally Posted by DEFYANT
Definitely subbed! Glad I ventured out of the F.I. section today!

Do you work at T1R?
I do! I'm the shop foreman, engine builder and fabricator. Sometimes the building maintenance guy too lol

Matt
Old 12-21-2013, 02:43 PM
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I do! I'm the shop foreman, engine builder and fabricator. Sometimes the building maintenance guy too lol

Oh jeeze!! They have the TRASHMAN building the engines now!!!

LOL

just kidding. Sounds like it is gonna be a monster build up. Just let us know when you are ready to ditch those 2JZ junkers...
Old 12-21-2013, 04:15 PM
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Matt.. could you post the part number for the pistons?

Thanks.
Old 12-21-2013, 04:20 PM
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Lorddiesel the 3.80 bore size PN is K0041xs
Old 12-21-2013, 05:08 PM
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Originally Posted by ATSMATT
Lorddiesel the 3.80 bore size PN is K0041xs
Awesome! Thank you, sir.

Great build thread as well!
Old 12-22-2013, 03:38 PM
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Is the SRT drag car still running a stock rear housing?
Old 12-22-2013, 08:26 PM
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The last I heard he was running the TT six speed supra diff. By now I'm sure he has the 9inch. I mean he went to a 25.3 cage too
Old 12-22-2013, 09:22 PM
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I've developed a rather large pile of parts in the last few weeks. This isn't the last of it either. More piles to come!


This weekend I'll be focusing on my suspension and more tire fitment. Big thanks to Mike over at figsprops.com for all these well engineered pieces. If you're even considering building a lexus you'll need to visit his site. New parts are added all the time.


Turbo kit fab will start soon. Nice pair of 6266's v-band housing


And it starts I did a really terrible job taking pictures this time. I might be able to snap a few of the inner fender work. It involved a torch, air hammer and a 12 pound sledge.


Some of these bushings are a bit of a pain to remove I suggest an air hammer and hydraulic press.


A couple bushings installed with the perfect back drop.
Old 12-24-2013, 11:04 PM
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looking good as always Matt
Old 12-25-2013, 04:22 PM
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Very cool project, any updates ?
Old 12-26-2013, 05:28 AM
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Waiting on some parts and time right now. I might have some updates in the next couple days.

Matt
Old 12-26-2013, 09:26 PM
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it would be nice with a good 4l80e but either way should be fun.
Old 12-26-2013, 09:47 PM
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Well glad to have you Matt! I love the drag Integra and you guys built a local guys GT-R (Reza). Glad to see that you're going twins!


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