LS Engines

The Definitive Guide to LS Engine Specs and LS Engine Upgrades

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This is the ultimate LS engine swap or engine upgrade resource.

Scroll through the tables below to find the LS or LS-based Vortec truck engine that you own or are interested in building. All of the key engine specs and expert engine-upgrade advice and guidance you’ll need are only one click away.

Gen. III LS Engine Upgrade Guides & Specs (1996-2007)

Gen III LS & Vortech Engines
DisplacementEngine CodeLS Engine Upgrade GuideLS Engine Spec GuideReluctorVIN (8th Digit)BlockHeadGen III YearsVehicle
4.8LLR4LR4 Upgrade GuideLR4 Engine Specs24XV IronCathedral1999-06Truck/SUV/Van
5.3LLM4LM4 Upgrade GuideLM4 Engine Specs24XPAlum.Cathedral2003-05SUV
5.3LLM7LM7 Upgrade GuideLM7 Engine Specs24XTIronCathedral1999-07Truck/SUV
5.3LL59L59 Upgrade GuideL59 Engine Specs24XZIronCathedral2002-07Truck/SUV
5.3LL33L33 Upgrade GuideL33 Engine Specs24XBAlum.Cathedral2005-07Truck
5.7LLS1LS1 Upgrade GuideLS1 Engine Specs24XGAlum.Cathedral1997-04F body/C5/GTO
5.7LLS6LS6 Upgrade GuideLS6 Engine Specs24XSAlum.Cathedral2001-05 C5 Z06/CTS-V
6.0LLQ4LQ4 Upgrade GuideLQ4 Engine Specs24XUIronCathedral1999-07Truck
6.0LLQ9LQ9 Upgrade GuideLQ9 Engine Specs24XNIronCathedral2002-07Truck

Gen. IV LS Engine Upgrade Guides & Specs (2005-Present)

Gen IV LS & Vortech Engines
DisplacementEngine CodeLS Engine Upgrade GuideLS Engine Spec GuideReluctorVIN (8th Digit)BlockHeadGen IV YearsVehicle
4.8LL20L20 Upgrade GuideL20 Engine Specs58XAIronCathedral2010-17Truck/Van
4.8LLY2LY2 Upgrade GuideLY2 Engine Specs58XCIronCathedral2007-09Truck
5.3LLY5LY5 Upgrade GuideLY5 Engine Specs58XJIronCathedral2007-09Truck/SUV
5.3LLC9LC9 Upgrade GuideLC9 Engine Specs58X3 or 7Alum.Cathedral2007-14Truck/SUV
5.3LLH6LH6 Upgrade GuideLH6 Engine Specs24X/58XMAlum.Cathedral2005-09SUV
5.3LLH8LH8 Upgrade GuideLH8 Engine Specs58XLAlum.Cathedral2008-09Truck/SUV
5.3LLH9LH9 Upgrade GuideLH9 Engine Specs58XPAlum.Cathedral2010-12Truck
5.3LLMFLMF Upgrade GuideLMF Engine Specs58X4IronCathedral2010-14Vans
5.3LLMGLMG Upgrade GuideLMG Engine Specs58X0IronCathedral2007-14Truck/SUV
5.3LLS4LS4 Upgrade GuideLS4 Engine Specs24X/58XCAlum.Cathedral2005-09FWD car
6.0LLS2 (Car)LS2 (Car) Upgrade GuideLS2 (Car) Engine Specs24X/58XUAlum.Cathedral2005-2007Corvette/GTO/CTS-V
6.0LLS2 (Truck)LS2 (Truck) Upgrade GuideLS2 (Truck) Engine Specs24X/58XHAlum.Cathedral2005-06, 2007-09SSR/TBSS, TBSS/9-7X Aero
6.0LL76 (Car)L76 (Car) Upgrade GuideL76 (Car) Engine Specs58XYAlum.Rectangle2008-10Pontiac G8
6.0LL76 (Truck)L76 (Truck) Upgrade GuideL76 (Truck) Engine Specs58XYAlum.Rectangle2007-09Truck/SUV
6.0LL77L77 Upgrade GuideL77 Engine Specs58X2Alum.Rectangle2011-17Caprice PPV, Holden VE2/VF
6.0LL96L96 Upgrade GuideL96 Engine Specs58XGIronRectangle2010-17Truck/SUV/Van
6.0LL98L98 Upgrade GuideL98 Engine Specs58XN/AAlum.Rectangle2007-08Holden
6.0LLC8LC8 Upgrade GuideLC8 Engine Specs58XBIronRectangle2011-16CNG fuel
6.0LLFALFA Upgrade GuideLFA Engine Specs58X5Alum.Cathedral2008-09Hybrid Truck/SUV
6.0LLY6LY6 Upgrade GuideLY6 Engine Specs58XK/NIronRectangle2007-14Truck/SUV/Van
6.0LLZ1LZ1 Upgrade GuideLZ1 Engine Specs58XJAlum.Cathedral2010-13Hybrid/Truck/SUV
6.2LL92L92 Upgrade GuideL92 Engine Specs58X8Alum.Rectangle2007-08SUV
6.2LL94L94 Upgrade GuideL94 Engine Specs58XFAlum.Rectangle2010-14SUV
6.2LL99L99 Upgrade GuideL99 Engine Specs58XJAlum.Rectangle2010-15Camaro (auto)
6.2LL9HL9H Upgrade GuideL9H Engine Specs58X2Alum.Rectangle2009-14Truck/SUV
6.2LLS3LS3 Upgrade GuideLS3 Engine Specs58XWAlum.Rectangle2008-17Performance Cars, C6 Grand Sport
6.2LLSALSA Upgrade GuideLSA Engine Specs58XPAlum.Rectangle2008-15CTS-V, 5th Gen ZL-1
6.2LLS9LS9 Upgrade GuideLS9 Engine Specs58XTAlum.Rectangle2009-13Corvette ZR-1
7.0LLS7LS7 Upgrade GuideLS7 Engine Specs58XEAlum.Square2006-15C6 Z06, Camaro Z28
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48 Comments

  1. How do you code the LS3/480 I purchased from The GM Performance Division ?

  2. Jeffery Fietz says:

    Have a 89 Chevrolet iroc Camaro with a 5.7 liter in it what would be the best swap,have a 700r4 automatic transmission

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  4. I have a 81 c/20 chevy truck 350c 400 turbo
    I am looking for a replacement 6 liter.

    • I have a unmolested 6.0 Ls moter in a police suburban 114,211 miles 421 hp 397 pounds of tork that I will trade for a generation 1 LS motor 5.3 with the transmission this 6.0 liter engine and transmission I have did nothing but transport prisoners back and forth by the US Marshals from Canada to California it ain’t never pulled nothing in his life but it’s a straight monster

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  6. Kevin bowman says:

    I have a 94 Chevy cab in a half Dilley with a 454 and want to change to a LS motor what is the best one to buy.thanx K B

  7. 454 swap to LS motor in a 1994 Chevy dulley c3500 cab in a half long bed

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  32. Anyway someone can help me out? I have an 05 Silverado ext cab 2wheel drive withe the 5.3 vortec. I believe I just spun a rod bearing this past week and I am looking into replacing the motor. What I am confused about is what motor I can put back into it. I’d like to stay with the 5.3 it’s an lm7 vin “t”. Can someone tell me which motor I’d be able to get and be able to drop right in without having to change anything else. For instance does it have to be the same vin “t” motor to match up. As far as my understanding I can put any 5.3 in it out of a Silverado suburban Tahoe or Sierra is that correct? Any advice would be greatly appreciated. Thanks

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  47. Replacing a LB9 with a LH8 in a 1988 Camaro problems?

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