Welcome to 240sxONE

Welcome to 240sxONE Tech... We hope to become the best single resource
for S13 and S14 technical information on the web. If there is something you
think we're missing that you'd like to know, or you find that something we
do cover is incorrect or incomplete, please let us know. This resource is built
on the knowledge and know-how of our members.

How to Swap an LS1 into a 240SX Part 1

Filed Under (Engine, LS1) by twistedsymphony on 10-11-2010

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This write up will cover all the important topics on selecting the right parts to swap an LS1 into your 240SX. This Guide is written from the perspective of starting with a completely stock 240sx and swapping in a mostly stock LS1 style motor and can be applied to pretty much any S-Chassis from an S12 up through an S15, and any Gen III or Gen IV GM small block V8.

Part 1 covers the following topics: Choosing a Motor, Chassis Modification and Preparation, Engine Preparation. Read the rest of this entry »

Relay Wiring Basics

Filed Under (Audio & Electronics) by twistedsymphony on 05-10-2010

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Here is a Diagram showing how to wire up a relay for a typical application.

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240SX Stereo Installation and Upgrading

Filed Under (Audio & Electronics, Part Lists) by twistedsymphony on 11-05-2010

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Speakers

If your 240sx is Still equipped with factory speakers, it is highly recommended that you replace them. Even on a well kept, low mileage vehicle the foam surrounds are likely rotted beyond repair simply due to age (this was even apparent on a well kept low mileage S14 Kouki). Complete speaker replacement will benefit audio quality more than any other Stereo upgrade

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S13: Wiring Silvia Fog Lights

Filed Under (Exterior, S13 Specific) by twistedsymphony on 01-05-2010

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If you’ve converted your S13’s pop-up headlights to fixed headlights from an S13 Silvia you probably realized that just about all the electrical connectors plug right in without any problem. The only exception being the fog lights. All 3 variations of the Silvia headlights include fog lights (Bricks, Dual Projectors, and Triple Projectors) The fogs are the inner most lamps on each of these headlight variations and they’re all wired the same. Thankfully they are also rather simple to wire up.

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LS1 AC Wiring

Filed Under (Engine, LS1) by twistedsymphony on 14-03-2010

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I just went though the wiring for AC on the Vette and the Camaro into an S14… it’s actually pretty simple.

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LSx: Power Steering Pump Reducer Install

Filed Under (Engine, LS1) by twistedsymphony on 08-02-2010

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The Problem:
Many people who swap an LS series motor into their 240SX or RX-7 tend to complain that the power steering pump is simply too powerful for the chassis. The steering ends up feeling “disconnected” since there is almost not feedback though the steering wheel.

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List of NISMO Part Numbers for S13 and S14

Filed Under (Part Lists) by twistedsymphony on 14-11-2009

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Part Number Description Model and years Invoice MSRP
CHASSIS AND SUSPENSION
11210-RS540 Engine Insulators RH engine 240SX 1989-1998 $60.87 $86.96
11220-RS540 Engine Insulators LH engine 240SX 1989-1998 $60.87 $86.96
11320-RS541 Engine Insulators Transmission 240SX 1989-1998 $34.90 $49.85
54420-RNS40US Strut Tower Brace (Front) Designed to reduce movement of the strut towers during hard cornering. Handling and sterring response will improve. 240SX 1995-1998 $192.47 $274.96
55420-RNS40US Strut Tower Brace (Rear) Designed to reduce movement of the strut towers during hard cornering. Handling and sterring response will improve. 240SX 1995-1998 $198.05 $282.93
54480-RSS30US Power Brace Designed to reduce movement of the tension/control arms during hard cornering. Handling and steering response will improve. 240SX 1989-1994 $132.09 $188.70
54480-RSS51US Power Brace Designed to reduce movement of the tension/control arms during hard cornering. Handling and steering response will improve. 240SX 1995-1998 $109.91 $157.02
54476-RS590 Bushings FR Tension Rod 240SX 1989-1998 $23.67 $33.82
54560-RS590 Bushings FR Transverse Link 240SX 1995-1998 $24.20 $34.57
55045-RS580 Bushings RR Suspension Arm 240SX 1989-1994 $16.15 $23.07
55152-RS520 Bushings RR Axle RR 240SX 1989-1993 $8.25 $11.78
55157-RS580 Bushings RR Suspension Link(4), LWR link RR(2) 240SX 1989-1994 $12.17 $17.39
56217-RS580 Bushings RR Shock Absorber Rod UPR 240SX 1989-1998 $4.44 $6.34
ENGINE
21200-RS520 Thermostat Opens at 62C(169F), Nissan OE thermostat opens at 76.5C(195F) 240SX 1989-1998 $44.07 $62.96
21430-RS012 Radiator Cap Rated at 1.3kg/cm(18.2 lbs), Nissan OE caps rated at 0.9kg/cm(12.6 lbs) and 1.2kg/cm(16.8 lbs) for Nissan OE turbo vehicles All Vehicles 1984-current $23.13 $33.04
22670-RR580US Fuel Pressure Regulator Adjustable to 10Ka/L/h with a 250m/sec flow rate 240SX 1989-1998 $85.03 $121.47
22670-RR710US Fuel Pressure Regulator Adjustable to 10Ka/L/h with a 250m/sec flow rate Universal $85.03 $121.47
22672-RR710 Fuel Pressure Regulator Bracket for 22670-RR710US Universal $23.62 $33.74
DRIVETRAIN
30100-RN225US Clutch Disc Sprung center and composite lining. Requires OE throwout bearing 240SX 1989-1998 $131.38 $187.69
30210-RS600US Clutch Cover Pressure: 750kg 240SX 1989-1998 $204.39 $291.98
38420-RS661 Limited Slip Differential 4-pinion, 70 lb-ft breakaway torque 240SX 1989-1998 w/o OE LSD $627.11 $895.87
38420-RS662 Limited Slip Differential 4-pinion, 70 lb-ft breakaway torque 240SX 1989-1998 with OE LSD $627.11 $895.87
INTERIOR
32865-RN003 Shift Knobs Dark Gray Leather All manual trans vehicles $27.91 $39.87
32865-RN006US Shift Knobs White Ball Type All manual trans vehicles $29.20 $41.71
32865-RN007US Shift Knobs Black Ball Type All manual trans vehicles $29.20 $41.71
32865-RN011US Shift Knobs Black rubber race knob All manual trans vehicles $35.91 $51.30

S14: Gauge Cluster Swap

Filed Under (Interior) by twistedsymphony on 02-10-2009

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Maybe you want to modify your gauge cluster, or maybe you need to replace a broken one, or maybe you bought a JDM cluster and want to swap it in. Either way, replacing the gauge cluster in an S14 is a quick and simple process.
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LSx: Clutch Hydraulics

Filed Under (Drivetrain, LS1) by twistedsymphony on 28-09-2009

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If you’re swapping a T-56 6-speed into your 240 along with your LSx then you will need to replace the factory Nissan clutch master for something more beefy, along with that you’ll also  need to make your own custom hydraulic clutch line as well as a custom bleeder line. This guide will walk you through the steps of constructing these parts as well  as installing them. Keep in mind that this is only one possible way to accomplish this, like most custom swaps there are many different ways to get things done.  This guide represents the most commonly used parts and method of accomplishing this.

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KA24DE EGR Removal

Filed Under (Engine, KA24DE) by twistedsymphony on 27-09-2009

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Whether you’re putting your car on an engine bay diet, trying to stick it to mother nature, or something else altogether (in my case I had a leaky EGR tube) removing the EGR system from a KA24DE is a fairly popular modification. In this guide I show you step by step how to remove it without having to tear apart your whole car in the process.

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