The Ultimate LS1/LS2/LS6 1000 HP Intake Manifold Kit with 102mm throttle body and trans control are a complete self-tuning induction systems for LS engines designed for the do-it-yourself hot rodder to the professional EFI tuner! This system is ready to go with everything needed to complete the induction system of your LS engine and get you on the road easily and faster than any system on the market today. Forget sourcing mismatched parts and cutting and splicing old harnesses and re-flashed ECU’s from “Craigslist” tuners. FiTech’s Ultimate EFI is a complete Kit. Suitable for that junkyard 5.3 to a stroker 427, we have you covered! Check out the list of features and you will wonder why it’s never been so simple to ditch that old factory hardware or top off that fresh long block. We have taken the work out of getting your new or pull-out LS up and running in a flash. That’s why we call this intake manifold kit the Ultimate EFI.
This intake manifold Kit comes with electronic transmission control. This option is used when operating a GM electronically controlled automatic transmission. The Ultimate LS ECU has the ability to control the shift point, shift firmness, when to downshift properly, and all other features involved when controlling the transmission. This feature is suitable for 4L60, 4L65, 4L80 or 4L85 GM transmissions. If using transmission control connect the two sides of the trans connector to the sub-harness and connect this to the connector on the transmission. Once connected to the transmission you are ready. If not using transmission control leave the connectors untouched.
Application: Intake manifold will fit Cathedral Port LS1/LS2/LS6 heads. Transmission control feature is suitable for 4L60, 4L65, 4L80 or 4L85 GM transmissions.
Small Block V8 GEN. III/IV LS-based Chevrolet street and performance engines with a 1500-6500 rpm power-band up to 1000 HP to the flywheel and contains a 3 BAR MAP sensor for power adder applications that supports up to 30 PSI of boost.
4.8 L / 293 c.i. LR4, LS1, LS2, LS6
5.3 L / 325 c.i. L33, L59, LM4, LM7
5.7 L / 346 c.i. LS1, LS6
6.0 L / 364 c.i. LQ4, LQ9, LS2
Intake manifold is 6.5 inches tall.
102mm high flow cable operated throttle body sits at 7 degrees.
Throttle body will clear any stock truck accessories depending on the type of water pump, if there is truck water pump accessory clearance interference you will need to get a new water pump bracket.
Parts required, not included:
Optional, not included: throttle cable mounting bracket (FiTech part number 70063)
Not legal for use on pollution controlled vehicles: FiTech’s Ultimate LS System is not CARB approved for use on emission controlled vehicles. This system is designed to control the EFI and ignition on LS based engines being retrofit into older vehicles that do not require emission controls.
Features
Low profile, 102mm inlet, Fabricated 3mm thick aluminum sheet metal TIG welded intake manifold with 1500-6500 rpm power-band up to 1000 HP to the flywheel and contains a 3 BAR MAP sensor for power adder applications that supports up to 30 PSI of boost.
Billet Fuel rails with AN fittings and fuel crossover.
Self-learning ECU with touch screen controller for easy setup and configuration.
Sequential fuel and spark control with individual cylinder trim.
Dual Bosch wide band with dual trim control (Self-learning).
3 BAR MAP sensor automatically detects up to 30 psi boost.
Stainless O2 Sensor bung (clamp or weld on).
24X and 58X crank and cam compatible.
Two programmable fan control outputs.
TPS – IAC Sensor.
Tach output driver for most tachometers (5V).
Output driver for most speedometers.
Compatible with car and truck coils.
On the fly programmable target AFR and timing (if desired).
80 lb/hr flow-matched injectors.
Fuel pump relay output.
Custom wire harness (uses factory coil pack sub harness).
Knock sensor control.
Transmission control feature is suitable for 4L60, 4L65, 4L80 or 4L85 GM transmissions.
Kit Contents
102mm billet aluminum throttle body.
Hand-held controller with color touch screen and cable.
Windshield mount for touch screen controller.
LS ECU.
80 lb/hr Injectors.
High volume fuel rails.
Fuel rail contents
Mounting bracket.
-6 AN fittings.
Rails.
Screws to mount brackets.
AN fittings and fuel crossover.
Fabricated 3mm thick aluminum sheet metal TIG welded intake manifold and bolts.
Plug and play primary wiring harness.
3 BAR MAP Sensor.
Throttle Position Sensor.
Idle Air Control Motor.
Idle Air Temperature Sensor.
Dual Wide band O2 Sensors.
Stainless Oxygen Sensor bung kit (Clamp or weld on).
Two programmable fan control outputs.
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