LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Not your average LT1 :) LT1 240sx

Old 10-20-2008, 12:49 PM
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Default Not your average LT1 :) LT1 240sx

EDIT EDIT EDIT: See page 3 https://ls1tech.com/forums/lt1-lt4-m...1-240sx-3.html for a video and 50 pictures starting from the SR20 engine removal to the completed project.


Here's a little teaser of the latest project. We ripped his SR20 engine out earlier this summer, we just got the trany this week (my buddy got scammed on one T56 before this) and have about 3 nights work in it.










Last edited by tylert14; 01-06-2009 at 11:51 PM.
Old 10-20-2008, 01:12 PM
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There's a guy on here who did an LS into one. I can give you his name if you want. He lives close to me, but had just moved, I was going to see if I could get a ride in it
Old 10-20-2008, 01:21 PM
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thats awesome good luck on the build, post of vids when you guys get that bad boy on the streets i would love to see what it can do when ur done. what is ur plans for it?
Old 10-20-2008, 01:37 PM
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Yeah shoot me his name formula350. The engine is fairly stock. Has a 268xfi cam, chromoly pushrods, 1.6 pro mag rockers, beehive springs. Trany is stock with a spec 3 clutch and spec steel flywheel.

The car will be an all around car, drag, drift, street, autoX, etc.

I'm hoping it will run high 11s or better.
Old 10-20-2008, 01:39 PM
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I've seen LS1 240s but never LT1s. That's pretty unique.
Old 10-20-2008, 02:13 PM
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A guy local to me built one a few years ago, the set up Tyler posted is a lot cleaner and nicer.
Old 10-20-2008, 03:20 PM
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Neat, what year 240?
Old 10-20-2008, 04:36 PM
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Originally Posted by camar0corey
Neat, what year 240?
89-94
Old 10-20-2008, 08:14 PM
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His name is ranger2339.

I called his car an "LS13" for being an LS1 equipped S13. So, you may use LT13 if you like

He linked me to a video of it as well: (Takes a bit to actually get into the video, skip to 1minute left on the counter)
http://s128.photobucket.com/albums/p...t=DSCN1531.flv
Old 10-20-2008, 08:28 PM
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I've always wanted to get a 240sx and swap a v8 ! Nice to see somebody doing it.
Old 10-20-2008, 09:20 PM
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Some of your welds look a little scary to me. I hope you plan on finishing those up. Other than that it looks good.
Old 10-20-2008, 10:14 PM
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sweet dude good luck. i bet you could sell the old motor and fund the entire project
Old 10-20-2008, 10:22 PM
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Old motor was sold for $3,000 and LT1 came from me for $1000
Old 10-20-2008, 10:47 PM
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Originally Posted by Beaflag VonRathburg
Some of your welds look a little scary to me. I hope you plan on finishing those up. Other than that it looks good.

yeah I'm waiting to pull the engine to finish the welds. Easier to get at it from better angles and I will melt the poly engine mounts if I keep welding with them in there. I'm working on the headers now just came in for a little break.
Old 10-20-2008, 11:57 PM
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nice project man! it will be sick
Old 10-21-2008, 12:03 AM
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Nice fab work man!!!
Old 10-21-2008, 10:45 AM
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Looks good.
Old 10-22-2008, 12:07 AM
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Passenger header pretty much done as you can see.



Didn't like the old trany cross member, wasn't strong enough. I started on this one, we'll see if I can snake the exhaust over top of it. Might need oval piping to clear the passenger side.

Last edited by tylert14; 10-22-2008 at 12:14 AM.
Old 10-22-2008, 02:53 PM
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Looks nice. Shame that our 454 into an S-10 project's header build didn't have that sort of room and ease of making it

EDIT: Why not use bolt-in braces under the exhaust tunnels on the old cross member to help strengthen it back up? If you do that, then when you remove the exhaust you just unbolt those pieces and drop it down. And maybe on that one angle top piece that's against the body, hammer or notch the floor pan for clearance? Then you could scoot the tunnel over a tad so it doesn't interfere with the trans mount and have it all boxed in then.
Old 10-22-2008, 04:23 PM
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Great project!

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