LM7 s13 project

General discussion forum about the 240sx, and a great place to introduce yourself to the board!
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Stev0n
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my mounts are all welded up now.

The short shifter stick I was going to use would make the shift knob hit the radio in 1,3,5,& R. So I now have an svt cobra short shifter & a silvia s15 shift knob.

Motor is getting put back together right now & buttoned up. Waiting for my ecu to get back with the new tune on it.


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240sx_nissan
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Car: 90 Nissan 240sx S13 hatch

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whats wrong with your white 240

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Stev0n
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the white 240 is a survivor of my teenage ricer days.

major rust & a large hole in the frame - he'll be put down probably once the red car is done.That or silcamino & i'll drive it til it falls apart

C3Sierra_S2000
Posts: 315
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Car: 1997 240SX SE LS swapped
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Hey man glad to see you are getting the car together. I just saw your post about the rear hubs. If I had known you needed them I would have given them to you. I am always on the hunt for a parts car so if I come across some I will let you know.

Are you going to make it down for the Motorsports Nationals? I don't suppose you will have the car ready by then will you?

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dat925stunna
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Car: 90 hatch s13

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hey what bell housing you use for your t56?

C3Sierra_S2000
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dat925stunna wrote:hey what bell housing you use for your t56?
Any of the LS bell housings will work except the ones from the Corvette. The F-Body and GTO trans are the most frequently used.

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dat925stunna
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Car: 90 hatch s13

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C3Sierra_S2000 wrote:
dat925stunna wrote:hey what bell housing you use for your t56?
Any of the LS bell housings will work except the ones from the Corvette. The F-Body and GTO trans are the most frequently used.
o ok and wat happend to this build?

TylerS13
Posts: 46
Joined: Sat Aug 14, 2010 8:01 pm
Car: 1990 240sx

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idk if you know this (not hating) but the LSx was never a production motor, in fact it's only a bare block you can buy from GM Performance parts or summit jeg's etc. the difference is the LSx is identical to your block except it's made of cast iron for increased strength where as your block is aluminum. i'm not 100% sure about your engine again cuz i've never seen it but i'm assuming you have an ls1 or ls2 etc. not an LSx (again not hating).

kyhunter89
Posts: 125
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Car: 1989 240sx 5 speed

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seeing as your bumped a hella old thread... 90%+ of Gen III truck motors are iron blocked. LSx isnt just the block, its GMPP's overall name

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OutToWinPAHC
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No was LSX was a nick name used for Generation 3 and 4 small blocks.... but in 2007 GMPP went into production with a block called the LSX available in 427 and 454 (in stock) and custom order 363 to 511 cubic inch, 6 bolt mains, 6 head bolts per cylinder, and a high grade iron with stronger gussets, and improved oiling system.. GM had factory tested them at 2400 crank horsepower on an engine dyno, but people have broken 3000hp with them.

It's a performance block based on the Gen 3 / 4 design with characteristics of the C5R block (windage and drain back improvements)


LS6
LR4
LM7
LM3
L59
L33
LQ4
LQ9
LY2
LY5
LMG
LH6
LC9
LS4
LS2
L76
L98
LFQ
LS7
LS7.R
LS3
L92
L99
LS9
LSA
LSX

Gen 3
Started in 1997 and ended in 2004. Came in aluminum and iron versions

3.90 inch bore LS1 - LS6 (Both aluminum 5.7 Liter)

3.78 inch bore LR4 (4.8 Iron) , LM7 (5.3 Iron), LM3 (5.3 Iron), L59(5.3 Iron, flex fuel), L33 (5.3 Aluminum)

4.0 inch bore LQ4/LQ9 (6.0 Iron)

Gen4 / Gen5 (not confirmed name but successor to gen 3/4)

3.78 Inch bore, LY2 (4.8 Iron), LY5 & LMG (5.3 Iron), LH6 and LC9 (5.3 Aluminum), LS4 (5.3 Aluminum FWD)

4.00 Inch bore, LS2 (6.0 Aluminum), L76 (6.0 Displacement on demand), L98 (6.0 aluminum), LFA (6.0 Iron Active Fuel Management (new name for DOD, a late-intake valve timing system "Hybrid Engine")

4.125 Inch bore, LS7 (7.0 Liter Aluminum), LS7.R (7.0 Liter Aluminum limited race team engine),


4.06 Inch bore, LS3 / L92 (6.2 Liter Aluminum), L99 (6.2 Liter Aluminum Active fuel management), LS9 (Aluminum 6.2 Liter, 2.3L supercharger), LSA (Aluminum 6.2Liter, 1.9L supercharger)

LSX, GM's rated 2400 HP, Iron block race engine. Ordered by GM Performace parts in flavors in aluminum or iron from 363CU (6.0) to 511CU in many bore / stroke options
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n9neLiveZ
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hey bro I bought the same motor and Im picking it up next month, does the trans fit good or do I need to cut into my firewall

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Stev0n
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Hey everybody, I'm back!

Its been about 2 years. I had some pretty crappy stuff happen to me. Pretty much lost everything (one of my 240's, job, house, woman - the woman's the only thing I'm glad is gone).

Stopped working on the LS240 completely, didn't touch it for 2 years (it was associated with too much drama & bad memories). But I'm back, older, smarter, more mature & wise. And I'm ready to get this thing on the road.

I will fix all the broken picture links, but right now it's Valentine's Day and i'm gonna spend some time with my new girl.

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badbob2121
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Looking forward to an update..

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Stev0n
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Ordered dust shield, new fuel line, & relays/fuse box.

Started the wiring last night. And I have no idea what i did the first time around, lol. I hate to de-loom and retrace every wire.

I'm going to put he motor in, wire everything up, then connect the 3 240 harnesses so I can make sure I get it right and get power to everything.

Here's the harness, ready to go in the car to finish.
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Here's what the car looked like last week when I finially decided to finish it after two years sitting.
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And here's what I had been spending my time & money on
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Stev0n
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I'm 85-90% confident in my wiring...lol

I'm thinking about pulling the kanji interior & replacing with camo.

I pulled the motor yesterday & I've got a lot of cleaning to do!

Gotta put the clutch in, figure out what i'm gonna do about the slave bleeder, bolt everything on, throw it back in the car & drop it off at the exhaust shop.

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OutToWinPAHC
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At this rate I will have a LS3 skyline before this is done grrrrrrrrrrrrrrrrrrrrrrrrr

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Stev0n
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lol.

it will hopefully be running by the end of next week

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Stev0n
Posts: 885
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Got a lot of parts in this week.

Remote slave bleeder
intake
oil pressure gauge adapter
fuse block, relays, wiring
fuel line
t56 dust shields
ebay Apexi N1 true duals knockoff
Transmission mount
another walbro fuel pump (gave the one i originally put in to my nephew for his RB'd 240)

Just ordered
Contano 5-lug conversion (while it's on sale)


I figured it would be cheaper to have the exhaust shop modify the stock c5 manifolds and have them meet the dual catback (cut the Y off before the resonator), than run completely custom all the way back & buy a muffler

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Stev0n
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At a stand still for a few days.

Got to have some holes drilled in my trans crossmember I got from CNichols. It's stainless, so a pain in the a** to drill through. Gotta have a machine shop do it.
Can't put the motor back in the car til then & cant finish my wiring, have exhaust finished, or measure out the driveshaft length I need until it is back in the car...

I do have to find a metal inner bumper & the upper metal bumper bracket (or whatever the hell it's called) to be able to put a front bumper on.

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Stev0n
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well my fiance left me over the weekend.

so i took the ring back & bought 5 lug conversion, steering wheel, all the power steering stuff, some more odds & ends, and i'm gonna use the rest of the money to get the exhaust finished & driveshaft made.

So no money out of pocket.

10psitx
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sorry to hear about the fiance, but good way to turn a negative into a positive. good luck with the build.


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