GM 6.2L Supercharged Gen V V8 Crate Engine with 10L90-E 10-Speed Automatic Transmission

GM 6.2L Supercharged Engine with 10L90 Transmission. Complete Gen V Drivetrain Package.

If you are building a serious restomod, a muscle car swap, or a high-performance street project that needs real forced induction output with a modern transmission behind it, the GM 6.2L supercharged engine with 10L90 transmission is one of the most complete drivetrain combinations available in the used and crate performance market. You get a supercharged Gen V LT V8 paired with GM’s 10-speed automatic, the same combination that powers the Camaro ZL1 and Cadillac CT5-V Blackwing from the factory. At McClain Auto Part, we have been sourcing and selling GM performance drivetrains out of Cleveland, Ohio since 2009. The supercharged Gen V crate engine and 10L90-E package is one of the most requested performance builds we handle.

Builders come to us for this combination for straightforward reasons. The supercharged 6.2L Gen V platform produces serious output in factory form, and it does it with direct injection, active fuel management, and a broad power curve that works on the street as well as the track. The 10L90-E 10-speed automatic gives you gear ratios close enough to keep the engine in its power band through acceleration while dropping RPM on the highway for real-world fuel efficiency. That combination does not exist on older GM platforms, which is exactly why builders upgrading classic Camaros, first-gen Suburbans, C10 trucks, and custom chassis projects are specifying this drivetrain.

Whatever your build is, the goal is the same. A tested, documented supercharged LT engine swap package that arrives ready to work with your chassis, your fuel system, and your build timeline without surprises.

Key Features

• Supercharged 6.2L Gen V LT V8, factory supercharger assembly included
• GM 10L90-E 10-speed automatic transmission, matched from the same donor vehicle
• Low mileage assembly, verified from donor vehicle records
• Compression tested on all eight cylinders before shipping, numbers recorded
• Full visual inspection completed at our Cleveland facility
• Transmission inspected for case condition, fluid quality, and external damage
• Supercharger assembly inspected before shipping, condition documented
• Wiring harness and ECU availability confirmed at time of order
• 6-month warranty against internal mechanical defects on engine and transmission
• Ships freight to all 50 states from Cleveland, Ohio
• Most orders processed within 1 to 3 business days

Engine and Transmission Overview

The Gen V supercharged 6.2L is the LT4 in Camaro ZL1 and Corvette Z06 applications and the supercharged LT variant in the CT5-V Blackwing. Depending on the specific donor vehicle, output ranges from approximately 650 to 668 horsepower in factory form. That output comes from a positive displacement Eaton TVS supercharger mounted on the engine rather than a bolt-on aftermarket system, which means the power delivery is linear and predictable across the RPM range rather than peaky.

What Makes the Supercharged Gen V Platform Desirable

The Gen V LT architecture introduced direct injection, continuously variable valve timing on both intake and exhaust camshafts, and an aluminum block construction that keeps weight competitive with older iron block platforms. The supercharged version adds the Eaton TVS blower to that foundation. The result is a modern forced induction V8 that makes its power on pump gasoline, runs reliably in daily driven applications, and responds well to additional modifications for builders who want to push output further after installation.

The 10L90-E Transmission

The GM 10L90-E transmission is the 10-speed automatic that GM developed alongside Ford for heavy-duty truck and performance car applications. In the performance context, the 10L90-E pairs with the supercharged 6.2L in the Camaro ZL1. The close ratio spread in the lower gears keeps the engine in its power band during hard acceleration. The tall overdrive ratios in the upper gears drop cruising RPM significantly compared to a 6-speed. The transmission is electronically controlled with paddle shift capability and performance shift modes that tighten up shift timing under load.

Why a Complete Drivetrain Package Makes Sense

Sourcing a supercharged 6.2L and a 10L90-E separately introduces risk. Mileage mismatches, unknown service history on one or both units, and wiring compatibility questions between components that were never paired together. A matched package pulled from the same donor vehicle eliminates most of that. You get a documented set with a single inspection process covering both the engine and transmission, and you avoid the time and cost of sourcing the transmission separately.

Technical Specifications

Engine Specifications

Transmission Specifications

Specifications vary by model year and application. Call us with your specific application before ordering to confirm the variant in current inventory.

What Is Included

Included components vary by unit. Here is what a typical GM 6.2 supercharged engine with 10L90 transmission package from McClain includes.

Standard With Most Units

• Complete supercharged LT long block assembly
• Eaton TVS supercharger assembly
• Intercooler and charge cooling system components
• Direct injection fuel rails and injectors
• Intake manifold and throttle body
• Valve covers
• Oil pan
• Variable cam timing actuators
• 10L90-E transmission with torque converter
• Transmission cooler lines, condition noted

Available on Select Units or by Request

• Engine wiring harness
• ECU, PCM
• TCU, transmission control unit
• Front accessory drive components
• Starter and alternator
• Driveshaft, confirm availability at time of order

A Note on ECU and Wiring

The supercharged LT ECU calibration is specific to the forced induction system, direct injection, and 10L90-E transmission. For a direct factory replacement in the original vehicle, your existing ECU and harness are typically reused. For a swap application, a dedicated LT swap harness and a compatible ECU solution are required. The 10L90-E also requires its own TCU calibration. Tell us your application when you call and we confirm what is available and what your build will require.

Condition and Inspection

Every GM performance engine and transmission package that ships from our Cleveland warehouse goes through a thorough inspection. The supercharger system, direct injection components, and 10-speed transmission all require specific attention during inspection.

What We Check Before Every Unit Ships

• Compression test on all eight cylinders, actual numbers recorded
• Full visual inspection of block, heads, and external surfaces for cracks, leaks, or damage
• Oil condition checked for contamination or signs of bearing distress
• Coolant passages inspected for signs of mixing or head gasket issues
• Mileage verified against donor vehicle documentation
• Supercharger assembly inspected for shaft play, snout condition, and belt drive integrity
• Intercooler and charge cooling system inspected for condition
• Direct injection fuel rails and injectors inspected for seal condition
• Transmission inspected for case cracks, leaks, and external damage
• Transmission fluid inspected for contamination or metal debris
• Torque converter condition noted
• No audible knocking, boost leak, or unusual noise confirmed before packaging

Both the engine and transmission are documented separately in our pre-ship inspection report. You receive condition notes on both components before the order is finalized.

Swap and Performance Applications

The supercharged Chevy V8 swap package appeals to a specific group of builders. Common applications include:

• Chevrolet Camaro, first and second generation, full restomod builds
• Chevelle and A-body muscle car projects requiring maximum output
• C10 and square body truck conversions
• Custom tube chassis and pro-touring builds
• Nova and X-body restomod applications
• Any chassis where a factory supercharged GM V8 is the performance target

Electronics and Wiring

The supercharged LT is a modern engine with modern electronics. The direct injection system, variable cam timing, supercharger bypass valve, and 10L90-E transmission all require electronic control. For swap applications, a dedicated LT swap harness from a supplier like Speartech or Ron Francis is the most common solution. A standalone ECU that supports direct injection and the 10L90-E is another option. Plan your electronics solution before ordering the drivetrain.

Fuel System

The supercharged LT runs a high-pressure direct injection system. Your fuel system needs to support DI pressures, which are significantly higher than port injection systems. Confirm your fuel system plan before ordering.

Cooling System

The supercharged LT generates more heat than a naturally aspirated engine. The intercooler system uses a separate heat exchanger and pump circuit to cool the charge air. Both the main engine cooling circuit and the charge cooling circuit need to be properly sized and routed in your chassis.

Installation and Fitment Notes

The Gen V LT engine uses standard GM LS-family external dimensions in many respects. However, there are differences. Confirm bellhousing compatibility for the 10L90-E in your specific application. The 10L90-E is longer than a 4L60E or 6L80, which affects transmission tunnel clearance and driveshaft length. Confirm your transmission tunnel dimensions before finalizing the build plan.

The supercharger assembly adds height to the engine. Confirm hood clearance in your chassis before ordering. Low hood lines on first-gen Camaros and some custom builds may require hood modifications.

Professional installation is recommended. The combination of a supercharged direct injection engine and a 10-speed electronic automatic involves significant wiring, fuel system, and cooling system work. An experienced swap shop with Gen V LT experience will save time and avoid costly mistakes.

Confirm your RPO code, chassis dimensions, and ECU solution before ordering. Call us with your application and we give you practical guidance on what the build requires.

Shipping and Warranty

Shipping

We ship from Cleveland, Ohio to all 50 states. Every drivetrain package ships on a secured freight pallet, engine and transmission palletized together, fully protected for transit. Most orders are processed and ready to ship within 1 to 3 business days after confirmation and payment. You receive a tracking number once the package leaves our facility.

Warranty

Every drivetrain package we sell comes with a 6-month warranty against internal mechanical defects on both the engine and transmission. Supercharger condition, transmission fluid condition, and engine inspection results are all disclosed and documented before the order is processed. If a covered mechanical failure occurs within the warranty period, contact us. We work toward a fair resolution, whether a replacement, credit, or repair guidance depending on the situation.

We have been honoring warranty claims since 2009.

About McClain Auto Part

We have been sourcing and selling used GM performance and replacement drivetrains out of Cleveland, Ohio since 2009. Over 10,000 engines and drivetrains shipped. Rated 4.9 out of 5 stars across 800 or more verified Google reviews. Every unit we sell sits physically in our Cleveland warehouse, inspected by our team, and ready to ship.

We are not a listing aggregator or broker. When you call us about a GM 6.2 V8 and 10-speed transmission package, you speak directly with someone who understands the supercharged LT platform, knows the electronics and fuel system requirements for swap applications, and gives you accurate information about the exact unit in current inventory.

Frequently Asked Questions

Is This a Complete Engine and Transmission Package?

Yes. The package includes the supercharged 6.2L long block, supercharger assembly, and 10L90-E transmission pulled from the same donor vehicle. Additional components like harness, ECU, and TCU vary by unit. Confirm at time of order.

Does It Include the Wiring Harness and ECU?

Not automatically. Harness, ECU, and TCU are available on select units. Tell us your application when you call and we confirm what is in stock and what your swap will require.

What Vehicles Can This Drivetrain Fit?

The supercharged 6.2L and 10L90-E came factory in the Camaro ZL1, Corvette Z06 C7, and Cadillac CT5-V Blackwing depending on the variant. For swap applications, the drivetrain fits any chassis that can accommodate Gen V LT dimensions, 10L90-E length, and the supercharger assembly height. Confirm chassis dimensions, hood clearance, and electronics plan before ordering.

Is the Transmission Tested Before Shipping?

Yes. The 10L90-E is inspected for case condition, external damage, and fluid quality before shipping. Condition is documented and provided before the order is finalized.

Is This Suitable for Swap Builds?

Yes, with proper planning. The supercharged LT and 10L90-E require a dedicated swap harness, compatible ECU and TCU, a high-pressure fuel system, and proper intercooler routing. Call us with your application and we advise on what the build requires.

What Accessories Are Included?

Most units include the supercharger assembly, intercooler system, direct injection rails and injectors, intake manifold, throttle body, valve covers, and oil pan. Front accessories and starter vary by unit. Confirm at time of order.

How Much Fabrication Is Typically Required?

The amount of fabrication depends entirely on your chassis. A modern Camaro or Corvette factory replacement requires minimal fabrication. A first-gen Camaro or C10 swap requires engine mounts, transmission crossmember, driveshaft, fuel system, and wiring work. An experienced swap shop familiar with Gen V LT builds is the right resource for planning the scope of work.

Ready to Order

If you are looking for a GM 6.2L supercharged engine with 10L90 transmission, a complete supercharged LT engine swap package, or a turnkey supercharged GM drivetrain for a restomod, muscle car build, or performance street project, call us. Confirm your application, chassis dimensions, and electronics plan and we will tell you exactly what we have in stock. Mileage, supercharger condition, transmission condition, included components, and shipping timeline.

Clean supercharged Gen V drivetrain inventory moves consistently. If you have questions before committing, ask them.

McClain Auto Part. Cleveland, Ohio. In business since 2009.