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1991 Nissan 240sx – T76 LQ4 with T56

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Old 01-28-2013, 10:53 AM
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THanks guys!

i'm shooting for 600whp at around 12psi. i should be able to get more out of this setup but will run out of turbo and injector around the 700 range.
Old 02-08-2013, 11:58 AM
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I got some work done over the last 2 weeks. I got my replacement parts for my compressor and was able to finish painting the engine bay. 2 more coats of base followed by 3 coats of clear. Then i was able to get the motor and tranny back in the car for the final time, hopefully. I plan to get the rest of the front suspension and front wheels back on over the weekend. it'll be so nice to have it back on the ground. Now i can start the fun process of putting everything back together. i think i can see the light at the end of the tunnel....faintly.

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Old 02-08-2013, 12:04 PM
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Looks good!
Old 02-09-2013, 10:29 AM
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awesome build
Old 03-22-2013, 03:25 PM
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Well, I have another bit of an update. I don’t have too many pics to go with this but a good amount of work went on behind the scenes.

Here’s a little bit that went on since the last update.

- Dropped differential to replace seals
- changed differential flange on driveshaft from Nissan to Infiniti to mate to Q45 differential
- assembled complete rear end (axles, hubs, ISIS adjustable suspension links, Suspension Techniques sway bar, 300zx ebrake, 300zx rear calipers and all lines)
- fabbed front brace to stiffen front end and help locate tension rods and front lower control arms (essentially a home made Nismo Power Brace)
- assembled front suspension (Ground Control coilovers, Suspension Techniques sway bar, ISIS adjustable tension rods)
- assembled front brakes (300zx calipers with relocation brackets to accommodate 350z/G35 12.75” rotors)
- prepped/painted brake booster
- installed 300zx master cylinder and custom braided lines to replace stock hard lines in engine bay
- moved radiator overflow tank from passenger to driver side
- started assembling engine accessories – C5 alternator and power steering

300zx twin turbo calipers with 350z/G35 rotors
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Home made Nismo Power Brace
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300zx master cylinder with custom braided lines
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Engine bay slowing coming together
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I hoping to make some more progress over the weekend with more pics to come.
Old 03-22-2013, 05:23 PM
  #46  
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Header look great! Just built a set myself but yours make mine look very simple. This car will scoot when your finished
Old 03-26-2013, 12:22 PM
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Originally Posted by GLS
Header look great! Just built a set myself but yours make mine look very simple. This car will scoot when your finished
Thanks man! i just had to get creative and get it all to fit.

Originally Posted by FourG63 97GST
awesome build
Thanks

Originally Posted by TheLS1Lover
Looks good!
Thanks

Originally Posted by Blackpanther99
Really sweet build.
I appreciate it

Originally Posted by jbridwelltransam
nice to see you still working on it. All good things take time brother!
yeah, it's taking longer than i hoped but that will make the payoff all the better

Originally Posted by jlee29
Keep up the good work, it always pays off to do it right the first time! What are your goals as for rwhp? I am build 91 240sx LQ9 GT47 lol, its crazy how many people are doing this now.
Thanks man. I've done this car 5 different times over the years, hopefully i'll be satisfied when it's finished (for a little while at least). I'm really only shooting for a driveable 600whp. I may turn it up just to make numbers, i'm guessing 700whp max with my current fuel and turbo setups. i'll take a look at your build. it's definitely been fun getting it to this point.
Old 03-26-2013, 03:14 PM
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Originally Posted by 91 240
Thanks man! i just had to get creative and get it all to fit.


Thanks


Thanks


I appreciate it


yeah, it's taking longer than i hoped but that will make the payoff all the better


Thanks man. I've done this car 5 different times over the years, hopefully i'll be satisfied when it's finished (for a little while at least). I'm really only shooting for a driveable 600whp. I may turn it up just to make numbers, i'm guessing 700whp max with my current fuel and turbo setups. i'll take a look at your build. it's definitely been fun getting it to this point.
700 whp is going to be pushing well past crazy in this car.
I'm wrapping up a GT45 crate LS1 S13 build right now. I just have tuning, interior and paint stuff to finish up. Even untuned, it still roasts tires right through third, and I'm probably only making 500 right now.
Old 03-27-2013, 12:07 PM
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Originally Posted by killernoodle
700 whp is going to be pushing well past crazy in this car.
I'm wrapping up a GT45 crate LS1 S13 build right now. I just have tuning, interior and paint stuff to finish up. Even untuned, it still roasts tires right through third, and I'm probably only making 500 right now.
yeah i'm fully aware. 700+ would be more for "bragging rights". i looked back through your thread (nice work by the way)....what 315's are you running? My friend has traction issues with BFG 315 drag radials on his LT1 S10, but they are over 5 years old so the type and condition of tires has a lot to do with it.
Old 03-27-2013, 04:23 PM
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This is awesome! watching
Old 04-01-2013, 12:07 PM
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I got a little more done over the last week. Not huge progress, but taking care of a little odds and ends that i can mark off the "To Do" list.

First thing is something i did a couple months ago, but just got around to getting pics. I wanted to relocate the coils to give a cleaner looking appearance. I modified the brackets and mounted them to the inner frame rails.

Here is the original bracket. Everything with the silver marker was cut off and welded back to one piece.
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Here's the completed bracket with coils mounted.
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Here are a couple shots of the brackets bolted to the frame rails. I welded a couple of bolts to the frame for the brackets to bolt to.
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Next I added a ported throttle body to give a little bump in airflow and throttle response.
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Then I added a Hurst Billet Plus short throw shifter. I had to notch the shifter hole a bit to clear the shifter stop bolt.
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I installed a Willwood 3/4" clutch master cylinder with custom mounting bracket and hooked up the clutch line. First pic is upside down, cant get the damn thing to save correctly. oh well
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Finally, I mounted the Aeromotive fuel pressure regulator with Autometer electric fuel pressure gauge sending unit.
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The next week or so i'm going to focus on getting the interior cleaned and prepped for paint. A lot of sanding and masking still to come.

Stay tuned!
Old 04-01-2013, 09:06 PM
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Originally Posted by 91 240
yeah i'm fully aware. 700+ would be more for "bragging rights". i looked back through your thread (nice work by the way)....what 315's are you running? My friend has traction issues with BFG 315 drag radials on his LT1 S10, but they are over 5 years old so the type and condition of tires has a lot to do with it.
Sumitomo HTR ZIIIs if I remember correctly. The car is lowered a little so I probably have to take out some of the negative camber to get a little flatter contact patch. Still though, the car gets squirrely pulls ridiculously hard in 4th. I can imagine another 1-200 hp would probably spin 4th.
Old 04-01-2013, 10:01 PM
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Originally Posted by killernoodle
Sumitomo HTR ZIIIs if I remember correctly. The car is lowered a little so I probably have to take out some of the negative camber to get a little flatter contact patch. Still though, the car gets squirrely pulls ridiculously hard in 4th. I can imagine another 1-200 hp would probably spin 4th.
oddly enough, i'm running the same HTRz3's but 275's. haha. you running FR500's as well? what are the odds. Thanks for the heads up. I'll see how it ends up
Old 04-01-2013, 11:10 PM
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Originally Posted by 91 240
oddly enough, i'm running the same HTRz3's but 275's. haha. you running FR500's as well? what are the odds. Thanks for the heads up. I'll see how it ends up
Yep, FR500s were certainly cheap enough and seem to fit under the fenders ok (with flares in the rear).
Old 04-02-2013, 08:33 AM
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Bad ***!
Old 04-08-2013, 11:46 AM
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Didn't get much done this weekend, but did get my manifolds back from the ceramic coating. I need to make/modify plug wires before i mount the manifolds for good.

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Old 04-09-2013, 02:28 PM
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Looks good dude!
Old 04-16-2013, 10:57 AM
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Before I could install my freshly coated manifolds, i needed to get the plug wires in place. The relocation of the coils runs the plug wires under the manifolds towards the block.

I started off with a MSD 8.5" kit for the LS truck motors (32823), i bought these before i decided to do the coil relocation. I cut the wires to length, removing the straight boot and replaced them with 90* boots from MSD. I sleeved the wires with a set of Accel plug wire sleeves (170081) as they'd be pretty close.
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Here are a couple of shots installed. I still have to modify the power steering lines so i'm leaving the driver's manifold off for now for better access.
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Old 04-16-2013, 01:31 PM
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Plain awesome progress!
Old 04-16-2013, 01:40 PM
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Looks good man. I've been building my S13 for years now, you'll be making closer to mid to high 600 at 12psi. I did 600whp on mine with a 70mm at 10psi. I'm in the process of buttoning up my GT4788 370 LSx right now and shooting for 1000whp. Good luck with the build!


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