If you're looking to give your muscle car or hot rod that classic vibe without sacrificing modern power, the Texas Speed & Performance Vintage Series turn-key 427 engine package is where it’s at. This isn’t just any engine; it’s a beast built for those who appreciate the blend of nostalgia and cutting-edge technology. Each engine is crafted with precision using top-notch CNC equipment, ensuring that every component fits together like it should. And trust me, these guys know LSx engines inside and out—each one is hand-assembled by experts who live and breathe this stuff.

What really sets this package apart is the attention to detail. Every part is brand new, including the block. You won’t find any remanufactured bits here. Texas Speed is unique in that they digitally blueprint and machine every engine block to meet factory GM specifications. So, when you drop this engine into your ride, you can be sure it’s not just a stock crate engine with a few tweaks; it’s a hand-built powerhouse ready to roar.

Speaking of power, the TSP Vintage Series 427 CID Resleeved Turn-Key Package is designed to deliver a lopey idle that’ll turn heads. Just a heads-up, you’ll need a minimum of a 3,000 RPM stall speed torque converter if you’re running an automatic transmission. It’s all about making sure everything works smoothly together.

Before you dive in, I recommend double-checking the clearances for your front drive accessories and oil pan kit. Most of the kits we offer fit a wide range of setups, but every car is unique. It’s on you to make sure everything lines up before you place your order because once the engine is built and shipped, it’s not coming back.

Now, let’s talk about the break-in process. Every TSP engine comes with 12 quarts of break-in oil at no extra charge. This isn’t just a gimmick; proper break-in oil is crucial for sealing the rings against the cylinder walls right off the bat. Most off-the-shelf oils lack the necessary ZDDP additives for a new engine, so this is a big deal. After the break-in, we recommend switching to Driven Racing oil, specifically the HR2 conventional non-synthetic, to keep things running smoothly.

Features:

• GM LS3 Resleeved Aluminum Engine Block, painted in a classic orange (other colors available upon request)
• Texas Speed & Performance Forged 4340 4.00" Stroke Crankshaft
• Forged 6.125" Connecting Rods for added strength
• Wiseco 4.125" Forged Piston Set with a Steel Top/Napier 2nd Ring Set
• 11.28:1 Compression Ratio for that extra kick
• 285cc Aftermarket 6-Bolt LS7 Cylinder Heads with titanium intake valves
• Custom-grind Hydraulic-Roller Camshaft for a unique sound
• Hardened Pushrods and Johnson 2110 Lifters
• Cometic MLS Cylinder Head Gaskets for a tight seal
• GM Rocker Arms with a Trunion Upgrade Kit
• Lokar Big Block style Valve Covers for a clean look
• Remote Coil Pack Relocation Mounts
• GM Ignition Coil Packs and MSD Spark Plug Wire Kit
• GM Hot Rod Oil Pan Kit included
• Multiple Front Drive Systems available
• GM Performance Parts Aluminum LS7 Carbureted Intake Manifold
• Complete GM Sensors and NGK Spark Plugs
• Holley Terminator X-Max MPFI Kit with DBW Throttle Control
• GM Starter

Fitment:

• Cadillac CTS-V 2009-2015
• Cadillac Escalade 2005-2014
• Chevrolet Camaro 1998-2015
• Chevrolet Corvette 1997-2013
• Chevrolet Impala 2006-2009
• Chevrolet Silverado 1500 1999-2013
• Chevrolet SS 2014-2017
• Chevrolet Suburban 2000-2014
• Chevrolet Tahoe 2000-2014
• Chevrolet Trailblazer 2006-2009
• GMC Sierra 1500 1999-2013
• GMC Yukon 1999-2014
• Pontiac Firebird 1998-2002
• Pontiac G8 2008-2009
• Pontiac Grand Prix 2005-2008
• Pontiac GTO 2004-2006
• Universal Retrofit 1997-2018