LS Engine and Transmission Package | Complete LS Swap

Introduction: Complete LS engine and transmission package options for easier swaps
The LS engine swap has become the gold standard for performance builds, classic car restorations, and project vehicles. The combination of proven reliability, abundant power, compact packaging, and extensive aftermarket support makes LS powerplants the default choice for serious builders.

While sourcing an LS engine alone is straightforward, finding matched engine and transmission combinations simplifies swap projects dramatically. Complete LS engine and transmission packages eliminate compatibility guesswork, reduce parts hunting, and ensure all components work together properly from the start.

At 603 Auto Salvage in New Hampshire, we specialize in complete LS swap packages pulled from donor vehicles as matched sets. These complete drivetrains include engines, transmissions, wiring harnesses, computers, and often accessories needed for successful swaps. Our typical pricing for complete packages ranges from $2,800 to $7,500 depending on engine variant, transmission type, mileage, and overall condition. This represents significant savings versus purchasing components separately while ensuring compatibility.

Understanding LS Engine and Transmission Package Combinations

Different donor vehicles came with specific engine and transmission pairings. For additional background, see
Chevrolet Performance and the
GM LS-based small-block overview.

Common LS Engine Variants in Swap Packages

• LS1 (5.7L): 345–350 hp from Corvette C5, Camaro, Firebird; aluminum block, cathedral-port heads; 1997–2004; common for budget builds.
• LS2 (6.0L): 400 hp from Corvette C6, GTO, Trailblazer SS; aluminum block; 2005–2009; excellent power-to-weight.
• LS3 (6.2L): 430 hp from Corvette C6, Camaro SS; aluminum block, rectangle-port heads; 2008–2015; premium NA performance.
• Truck Motors (LQ4, LQ9, LY6): 285–345 hp from Silverado, Sierra, Escalade; iron (LQ4/LQ9) or aluminum (LY6); 1999–2013; great value, boost-friendly.

Transmission Options That Pair with LS Engine Packages

• Manual: T56 6-speed (strong, desirable); TR6060 6-speed (even stronger); T5 5-speed (older/weaker; not for high power).
• Automatic: 4L60E/4L65E 4-speed (common/adequate); 4L80E 4-speed (HD, larger); 6L80E 6-speed (excellent with overdrives).

Understanding which combinations came together from the factory helps you select an LS engine and trans combo suited to your project.

Complete LS Engine and Transmission Package Pricing

LS1, LS2, and LS3 Package Pricing Examples

Truck LS Engine Packages for Budget Swaps

Verified Mileage and Source History for LS Packages

What’s Included in Complete Packages: Complete engine with accessories; matched transmission from the same vehicle; engine and transmission wiring harnesses; ECM/PCM; TCM when separate; accelerator pedal (DBW applications); flexplate/flywheel; torque converter (auto) or clutch assembly (manual). These complete packages save 30–50% versus purchasing separately while ensuring perfect compatibility.

LS Swap Kit Essentials for Complete Packages

While our complete LS drivetrain packages provide major components, successful swaps require additional parts. For components and tech references, see
Holley/Hooker LS swap systems and
HP Tuners for calibration.

• Engine Mounts: $200–$600 for swap-specific kits.
• Headers/Exhaust: $400–$1,500 depending on chassis/space/heat.
• Oil Pan & Pickup: $200–$500 for ground/steering clearance.
• Cooling System: $300–$800 for adequate radiator/e-fans.
• Fuel System: $400–$1,000; 58 psi for returnless setups.
• Wiring/Electronics: $500–$2,000 if modifying or going standalone.
• Trans Crossmember: $150–$400; correct placement and angle.
• Driveshaft: $300–$800; match length/yoke/diameter.

Evaluating Used LS Engine and Transmission Packages

Verified Mileage and Source History for LS Packages

• Odometer photos + title docs; Corvette/F-body typically lower miles than trucks.
• Collision totals (rear/side) usually have perfect drivetrains.

Transmission and Engine Testing Before Sale

• Auto fluid should be red/not burnt; manuals should shift smoothly.
• Compression uniformity (<10% variance), clean internal oiling, minimal leaks.

Electronics and Harness Completeness in LS Drivetrain Packages

• Harnesses, ECM/PCM, TCM, DBW pedal included; ensure engine/trans generations match for easy programming.

Manual vs. Automatic: Choosing the Right LS Transmission Package

Manual (T56/TR6060): engaging, lighter, great for road race/autocross; higher initial cost and added pedal/hydraulics.
Automatic (4L60E/4L80E/6L80E): easy daily use, consistent launches, simpler installs; heavier and some converter losses.

Choose the LS swap package that fits how you’ll drive: cruisers/daily drivers often lean auto; performance builds often favor manuals.

Real Customer Success Stories with LS Swap Packages

Chris A., Concord NH: “Complete LS1/T56 package at $5,800—engine, trans, harnesses, computer. My Chevelle drives like a modern car and made 380 whp.”

Mike T., Nashua NH: “Six matched packages for our hot-rod shop—no compatibility headaches, pricing that lets us stay competitive.”

Sarah M., Manchester NH: “LQ9 + 4L80E complete package at $3,800—install over winter with my dad. Serious power, straightforward swap.”

Frequently Asked Questions About LS Engine and Transmission Packages

How much does a complete LS engine and transmission package cost?

Typically $2,800–$10,000 depending on variant, transmission, mileage, and condition. Popular combos: $4,000–$6,500.

Do packages include wiring harnesses and computers?

Yes—engine/trans harnesses, ECM/PCM, and DBW pedal (where applicable). We list what’s included per package.

Can I inspect packages before buying?

Absolutely. In-person inspection is encouraged; verify condition and completeness before purchase.

What’s better for swaps, manual or automatic?

Both work great. Manuals = engagement/light weight; automatics = easier driving/consistent launches.

Do you test transmissions?

When possible we confirm operation in the donor, check fluid condition, and share results.

Do you ship complete packages?

Local pickup and regional delivery are available. Long-distance freight is possible but costly due to weight.

Getting Started with Your LS Engine and Transmission Package Purchase

1. Define your goals: power target, budget, manual vs. automatic, chassis constraints.
2. Contact us: call 603-392-7313 or reach out here with your VIN and project details.
3. Review options: we’ll share variant, trans type, mileage, donor history, pricing, and what’s included.
4. Inspect on site: bring tools if you’d like to examine components closely.
5. Purchase: cash/credit/debit.
6. Pickup or delivery: same-day pickup or scheduled local delivery.

Why Choose 603 Auto Salvage for Your LS Drivetrain Package

• Matched compatibility: factory-paired engine/trans sets.
• Complete components: harnesses, computers, accessories listed clearly.
• Quality checks: compression testing and trans verification when possible.
• Transparent pricing: no hidden fees.
• Local convenience: inspect in person; pickup or regional delivery.

Conclusion: Find Your LS Engine and Transmission Package Today

From budget LQ9/4L80E combinations to premium LS3/TR6060 setups, our LS engine and transmission packages make swaps simpler, faster, and more reliable. Check current inventory, browse official Chevy Performance resources, and contact us to lock in the right drivetrain for your build today.