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Nissan VQ35DE - User Manual

Nissan VQ35DE
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Forced Induction Racing
VQ35DE Install Kit Instructions
2002+ Nissan SE-R Spec-V (W/6spd)
Revised Date: 2/16/06
Thank you for purchasing our VQ35DE install kit. We have spent
numerous hours, designing, and perfecting this kit, over the past 8
months. The end result, is a user-friendly, easy to work with kit, that
will allow you to “bolt-in” a VQ35DE engine and 6 speed
transmission.
Recommended Tools:
Metric/Standard socket sets (3/8 and 1/2)
Torque wrench and Pry-Bar
Metric/Standard wrenches
Jack and jack stands
Eye/Ear and Respiratory protection
Disc Grinder and extension cord
Engine hoist and chain
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Summary

Introduction and Recommended Tools

Essential Tools for VQ35 DE Swap

Lists required tools like socket sets, wrenches, torque wrench, jack stands, safety gear, grinder, and hoist.

Pre-Installation Preparation

Kit Overview and Skill Requirements

Highlights kit simplicity, required automotive knowledge, and potential complexity of wiring.

Verify All Included Parts

Lists all components included in the VQ35DE install kit for user verification.

Transmission Preparation and Installation

VQ35 DE Bell-housing and Internals Swap

Details swapping QR25DE internals into the VQ35DE bell-housing, emphasizing professional help.

Flywheel, Clutch, and Torque Specifications

Recommends specific flywheels/clutches and provides torque specs for flywheel and pressure plate bolts.

Engine and Transmission Mounting

Attaching Transmission to Engine Block

Guides on aligning input shaft, bolting transmission, and torquing specific bolts.

Rear Engine Mount Bracket Torque Specifications

Details torque specifications for the rear engine mount bracket points.

Front Engine Mount Bracket Installation

Securing Rear Mount and C-Shim Usage

Covers tightening rear mount bolts and notes on C-shims for alignment.

Installing and Torquing Front Brackets

Outlines the installation and torque values for the front bracket assembly.

Passenger Side Engine Mount Assembly

Modifying and Torquing VQ Bracket

Explains replacing the VQ bracket with a modified version and its torque settings.

Connecting QR Mount to VQ Adaptor

Details attaching the QR engine mount to the VQ adaptor using supplied hardware and shims.

Vehicle Integration of Engine and Transmission

Hoisting and Positioning Engine;Transmission

Provides instructions on angling and hoisting the engine/transmission into the car.

Final Mount Securing and Leveling

Guides on securing transmission bolts, QR passenger mount, and checking engine levelness.

Cross-member and Mount Modifications

Grinding Rear QR Mount Posts

Instructs on grinding the QR engine mount posts for proper fitment into the VQ bracket.

Cross-member and Front Mount Installation

Drilling Front Mount for Larger Bolt

Explains the need to drill the front engine mount hole for a 1/2" bolt.

Installing Cross-member and Mounts

Details the process of installing the cross-member and its front/rear mounts with torque specifications.

Final Cross-member Bolt Torque

Aligning Front Mount Adaptor

Describes aligning the front mount adaptor with the QR isolator.

Torquing 1;2-inch and 17 mm Bolts

Specifies the final torque values for the 1/2" and 17mm cross-member bolts.

Axle Installation Procedure

Passenger Side Axle Bracket Setup

Covers removing the QR axle bracket and sliding the axle through the new VQ bracket.

Securing Axle with C-Shims and Bolts

Details using C-shims and torque specifications for the passenger axle bolts.

Ancillary Systems and Recommendations

Final Axle Seating and C-Washer Placement

Emphasizes visually inspecting the axle and placing C-washers for correct seating.

QR A;C Compressor Fitment

Explains how to mount the QR A/C compressor by drilling holes in the VQ bracket.

Accessory and Cooling System Integration

A;C Compressor Bolt Modification

Discusses using only two bolts for the A/C compressor and drilling for a better belt fit.

Power Steering and Radiator Hose Adaptation

Covers using VQ power steering and adapting QR radiator hoses with custom fittings.

Cooling Fan Setup and Wiring

Recommends slim fans and wiring them to the factory fan relay for constant operation.

Wiring, Exhaust, and Fuel System Considerations

Wiring Harness Integration and Diagrams

Addresses combining QR and VQ harnesses and the availability of wiring diagrams.

Nissan Anti-Theft System (NATS) Bypass

Explains the necessity of NATS and methods for bypassing or integrating it.

Exhaust, Fuel Pump, and Tuning Recommendations

Suggests Y-pipe fabrication, exhaust upgrades, and fuel pump for nitrous.

Nissan VQ35DE Specifications

General IconGeneral
Engine TypeV6
Displacement3.5 L (3, 498 cc)
Compression Ratio10.3:1
Fuel SystemSequential multi-port fuel injection
Block MaterialAluminum
Head MaterialAluminum
Bore x Stroke95.5 mm x 81.4 mm (3.76 in x 3.20 in)
Torque246-274 lb⋅ft (334-372 N⋅m) (varies by application)
ValvetrainDOHC, 24-valve
Redline6600 - 7000 rpm