Aug 30, 2019 · Turbo 5.3L Cam Test-Stock LM7 vs BTR/LJMS Stage 2 Turbo It seems obvious from the looks of the graph that the stock LM7 cam was indeed holding us back. After installation of the BTR/LJMS Stage 2 turbo cam, the power output of the turbo 5.3L jumped from a hair above 600hp to 730hp at 6,600 rpm and 649 lb-ft of torque at 4,900 rpm. The LQ4 is just about the same motor as a LQ9 except for piston dish both were iron block 6.0s with 317 heads unless the LQ9 changed late in the run. You could always swap to smaller chamber heads later on if you wanted more compression on a stock shortblock build.

ok so now yall are wondering why somebody like me would post up all of this stuff and have originally said in the title LQ4 vs. LM7 and i also know that most ppl here love the LQ4. my point is even tho this build to an LM7 would cost more in the long run than buyin a used LQ4 to install and doin light mods to it (tune, longtubes, CAI, & maybe a ... The LQ4 is just about the same motor as a LQ9 except for piston dish both were iron block 6.0s with 317 heads unless the LQ9 changed late in the run. You could always swap to smaller chamber heads later on if you wanted more compression on a stock shortblock build. .

Jun 07, 2017 · For just $30 more, Lunati’s Superlight H-beam rods have many of the same features as its standard-weight H-beams, but they are 75 grams lighter (680 vs. 605). The reduced reciprocating weight they offer makes them well suited for circle track and land-speed engines in which prolonged high-RPM operation is the norm. I'd guarantee there was not a 28 gram weight difference between a Cast vs Forged piston back in those days. If you intend to stay together and not beat the bearings out a re-balance is needed. I haven't found any builders who would risk running more than a 10 gram variance in my search and that's an absolute MAX.

Our Vortec DBW Standalone harness is specific for 2003-2006 4.8,5.3, and 6.0 engines. RPO Codes LM7, LR4, LQ4, and LQ9 with a Drive by Wire (Electronic) Throttle Body, Multec Injectors, and a T56 or Non-Electric Transmission. On 2003 and newer applications leave a note with your year so we can install green retainers on the harness. I'd guarantee there was not a 28 gram weight difference between a Cast vs Forged piston back in those days. If you intend to stay together and not beat the bearings out a re-balance is needed. I haven't found any builders who would risk running more than a 10 gram variance in my search and that's an absolute MAX. Aug 30, 2019 · Turbo 5.3L Cam Test-Stock LM7 vs BTR/LJMS Stage 2 Turbo It seems obvious from the looks of the graph that the stock LM7 cam was indeed holding us back. After installation of the BTR/LJMS Stage 2 turbo cam, the power output of the turbo 5.3L jumped from a hair above 600hp to 730hp at 6,600 rpm and 649 lb-ft of torque at 4,900 rpm.

A Look into LS Cylinder Heads There are a wide variety of OE, original equipment GM LS cylinder heads that flow excellent numbers and perform right from the production line. Depending on the application, the L92/LS3/LS7 cylinder head can support well over 1000+ horsepower. Mar 01, 2018 · The LM7 is a 5.3L, Gen. 3 small block engine used in GM trucks between 1999 and 2007. For marketing purposes, it was also known as the Vortec 5300. The information listed here is for the stock LM7 engine. Mechanically similar, General Motors’ LS and LS-based Vortec engines wound up on almost every branch of the GM family tree: Chevy, Pontiac ...

Nov 11, 2015 · Peak torque was at 4,700 rpm, but even way down at 2,900 rpm it was sill churning out 390 lb-ft. After driving the Chevelle around town for a few weeks we also noticed a huge improvement in fuel economy. So there you have it, more power, less weight, improved driveability, and better fuel economy. In comparison I can put a Z06 Cam & Valve Springs in a standard LM7 for +$700 and make around 360HP. The L33 is 80lbs lighter than a standard iron block Vortec. The L33 is 80lbs lighter than a standard iron block Vortec. May 06, 2013 · LQ4, LS6 cam, 706 heads, 317 Heads, Junk Yard Dog, AND LIES ... using 3100# as the Falcon/driver weight, spits out something in the order of 500hp to do that deed in ... Nov 15, 2003 · If you are fortunate enough to get your hands on an LQ4 6.0L engine block, you can bore it .030-over and purchase a 4.250 Lunati stroker crankshaft to produce a 434ci. GenIII engine. Add a set of GM Performance Parts ZO6 cyclinder heads (PN 12560801) or have the stock LS1 heads ported and you've got yourself a serious engine.

Jan 12, 2019 · I really wanted to know the difference between a aluminum and steel block weight. I had my LM7 5.3 Block laying around and my new LS2 6.0 engine block laying so i thought why not lets weigh them. May 24, 2018 · Something to keep in mind: The 2004-and-up engines (even Gen. 3) had two head bolt lengths vs. three on the earlier engines. Happy building. (Information for this article originally appeared in this Upgrading the Gen. 3 5.3L, Aluminum Block, LS Truck Engine article at Summit Racing’s searchable database of FAQ tech info . May 06, 2013 · LQ4, LS6 cam, 706 heads, 317 Heads, Junk Yard Dog, AND LIES ... using 3100# as the Falcon/driver weight, spits out something in the order of 500hp to do that deed in ...

Mar 02, 2016 · Camaro and Firebird: Differences Between LS Engines. Whether you're looking to swap the engine in your Camaro, or just want to learn more about the LS-series of V8 engines, this is the guide for you. The snouts are different on car platforms VS truck/SUV platforms due to the mechanically driven fan. The truck/SUV pumps are extended forward, closer to the radiator VS the car platforms, also the pulley is not as wide as they only use 1 style balancer.

Jul 20, 2017 · We were discussing the weight differences of an aluminum block vs a cast iron block, and decided to weigh them. Also, a congratulations to the T-shirt winner! Check us out The LQ4 was referred to as the Vortec 6000 by General Motors. The engine had 366 cubic-inch displacement, 4.0-inch bore and 3.622-inch stroke. The engine featured 300 to 325 horsepower and 360 to 370 foot-pounds of torque, depending upon the type of engine heads -- early models were equipped with cast-iron heads. ok so now yall are wondering why somebody like me would post up all of this stuff and have originally said in the title LQ4 vs. LM7 and i also know that most ppl here love the LQ4. my point is even tho this build to an LM7 would cost more in the long run than buyin a used LQ4 to install and doin light mods to it (tune, longtubes, CAI, & maybe a ...

Nov 30, 2010 · The other engines, LY6 and LM7 is cast iron with a lower ratio. But, LS3 intake and exhause will work. So, another words other than the weight difference. The LY6 and LM7 can be ran like the LS3 if you change the bore, heads, intake, and exhause. But, the LY6 and LM7 are half the price of the LS3 block. Thoughts? I was wondering if anyone could tell me the weight difference between an all iron engine and an all aluminum one. I'm just trying to see if I should hold out for an L92 or just get an LQ4 and put L92 heads on it.

Nov 15, 2003 · If you are fortunate enough to get your hands on an LQ4 6. 3L Cam Test-Stock LM7 vs BTR/LJMS Stage 2 Turbo It seems obvious from the looks of the graph that the stock LM7 cam was indeed holding us back. 0-liter HO V8 made famous by the Ford Mustang was one of the most popular options for anyone looking to quickly and cheaply ...

Nov 19, 2014 · A: Compared to beltdriven superchargers or nitrous oxide, today's electronic controls make it fairly easy to manage big power gains on a turbocharger. Although officially GM says an LS1 block "has ... Nov 19, 2014 · A: Compared to beltdriven superchargers or nitrous oxide, today's electronic controls make it fairly easy to manage big power gains on a turbocharger. Although officially GM says an LS1 block "has ... Our Vortec DBW Standalone harness is specific for 2003-2006 4.8,5.3, and 6.0 engines. RPO Codes LM7, LR4, LQ4, and LQ9 with a Drive by Wire (Electronic) Throttle Body, Multec Injectors, and a T56 or Non-Electric Transmission. On 2003 and newer applications leave a note with your year so we can install green retainers on the harness. Dec 01, 2009 · From '99-07, GM built several versions of the Gen III Vortec 5300, of which the LM7 is the most common. The LM4 and L33 are aluminum-block variants of the LM7, while the L59 is a flex-fuel spinoff.

Jan 12, 2019 · I really wanted to know the difference between a aluminum and steel block weight. I had my LM7 5.3 Block laying around and my new LS2 6.0 engine block laying so i thought why not lets weigh them. Jun 07, 2017 · For just $30 more, Lunati’s Superlight H-beam rods have many of the same features as its standard-weight H-beams, but they are 75 grams lighter (680 vs. 605). The reduced reciprocating weight they offer makes them well suited for circle track and land-speed engines in which prolonged high-RPM operation is the norm. May 24, 2018 · Something to keep in mind: The 2004-and-up engines (even Gen. 3) had two head bolt lengths vs. three on the earlier engines. Happy building. (Information for this article originally appeared in this Upgrading the Gen. 3 5.3L, Aluminum Block, LS Truck Engine article at Summit Racing’s searchable database of FAQ tech info .

The LQ4 is just about the same motor as a LQ9 except for piston dish both were iron block 6.0s with 317 heads unless the LQ9 changed late in the run. You could always swap to smaller chamber heads later on if you wanted more compression on a stock shortblock build. Sep 16, 2014 · 6.0 LQ4 Iron block weight. Tue Sep 16, 2014 6:05 am. Hi guys, just wondering if anyone knows how much an iron block LQ4 weighs. No accessories (alt, a/c comp, etc ...

Nov 11, 2015 · Peak torque was at 4,700 rpm, but even way down at 2,900 rpm it was sill churning out 390 lb-ft. After driving the Chevelle around town for a few weeks we also noticed a huge improvement in fuel economy. So there you have it, more power, less weight, improved driveability, and better fuel economy. Sep 11, 2012 · “Spring technology has advanced so much in the recent years. In an attempt to reduce weight in the valve train, technology led us to a spring that is large in diameter at the base and tapers to a smaller diameter,” adds Clay. “With that smaller diameter, we can also use a smaller retainer – further reducing weight. Aug 30, 2019 · Turbo 5.3L Cam Test-Stock LM7 vs BTR/LJMS Stage 2 Turbo It seems obvious from the looks of the graph that the stock LM7 cam was indeed holding us back. After installation of the BTR/LJMS Stage 2 turbo cam, the power output of the turbo 5.3L jumped from a hair above 600hp to 730hp at 6,600 rpm and 649 lb-ft of torque at 4,900 rpm.

Nov 11, 2015 · Peak torque was at 4,700 rpm, but even way down at 2,900 rpm it was sill churning out 390 lb-ft. After driving the Chevelle around town for a few weeks we also noticed a huge improvement in fuel economy. So there you have it, more power, less weight, improved driveability, and better fuel economy. A 5.3 is a LM7, which is just an under-bored 5.7(LS1) and iron. All motors as just as good, just cubes vs weight vs price. They should all be capable of low 10s easy with boost. The LQ4 was referred to as the Vortec 6000 by General Motors. The engine had 366 cubic-inch displacement, 4.0-inch bore and 3.622-inch stroke. The engine featured 300 to 325 horsepower and 360 to 370 foot-pounds of torque, depending upon the type of engine heads -- early models were equipped with cast-iron heads.

ok so now yall are wondering why somebody like me would post up all of this stuff and have originally said in the title LQ4 vs. LM7 and i also know that most ppl here love the LQ4. my point is even tho this build to an LM7 would cost more in the long run than buyin a used LQ4 to install and doin light mods to it (tune, longtubes, CAI, & maybe a ... Nov 12, 2019 · Along with the LM7 and LQ4, they were the first LS truck engines. The LR4 was available in GM pickups, vans, and SUVs until 2007. It was a 4.8L engine known as the Vortec 4800. LM7. The LM7 was also introduced in 1999. It was available in GM pickups, vans, and SUVs until 2007. The LM7 was a 5.3L engine known as the Vortec 5300. L59 Mar 30, 2017 · LM7 – 5.3 – 295 horsepower, 335 ft pd’s of torque and round exhaust ports with minimum 87 octane. LQ4 – 6.0 – 325 horsepower, 360 ft pd’s of torque and round exhaust ports with minimum 87 octane. LQ9 – 6.0 – 345 horsepower, 380 ft pd’s of torque and “D” shaped exhaust ports (easy way to identify the LQ9) with minimum 92 ...

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Mar 02, 2016 · Camaro and Firebird: Differences Between LS Engines. Whether you're looking to swap the engine in your Camaro, or just want to learn more about the LS-series of V8 engines, this is the guide for you. Nov 30, 2010 · The other engines, LY6 and LM7 is cast iron with a lower ratio. But, LS3 intake and exhause will work. So, another words other than the weight difference. The LY6 and LM7 can be ran like the LS3 if you change the bore, heads, intake, and exhause. But, the LY6 and LM7 are half the price of the LS3 block. Thoughts?

Nov 19, 2014 · A: Compared to beltdriven superchargers or nitrous oxide, today's electronic controls make it fairly easy to manage big power gains on a turbocharger. Although officially GM says an LS1 block "has ...

Mar 30, 2017 · LM7 – 5.3 – 295 horsepower, 335 ft pd’s of torque and round exhaust ports with minimum 87 octane. LQ4 – 6.0 – 325 horsepower, 360 ft pd’s of torque and round exhaust ports with minimum 87 octane. LQ9 – 6.0 – 345 horsepower, 380 ft pd’s of torque and “D” shaped exhaust ports (easy way to identify the LQ9) with minimum 92 ...

Sep 16, 2014 · 6.0 LQ4 Iron block weight. Tue Sep 16, 2014 6:05 am. Hi guys, just wondering if anyone knows how much an iron block LQ4 weighs. No accessories (alt, a/c comp, etc ... In comparison I can put a Z06 Cam & Valve Springs in a standard LM7 for +$700 and make around 360HP. The L33 is 80lbs lighter than a standard iron block Vortec. The L33 is 80lbs lighter than a standard iron block Vortec.

Mar 01, 2018 · The LM7 is a 5.3L, Gen. 3 small block engine used in GM trucks between 1999 and 2007. For marketing purposes, it was also known as the Vortec 5300. The information listed here is for the stock LM7 engine. Mechanically similar, General Motors’ LS and LS-based Vortec engines wound up on almost every branch of the GM family tree: Chevy, Pontiac ... Dec 01, 2009 · From '99-07, GM built several versions of the Gen III Vortec 5300, of which the LM7 is the most common. The LM4 and L33 are aluminum-block variants of the LM7, while the L59 is a flex-fuel spinoff.

May 06, 2013 · LQ4, LS6 cam, 706 heads, 317 Heads, Junk Yard Dog, AND LIES ... using 3100# as the Falcon/driver weight, spits out something in the order of 500hp to do that deed in ... Our Vortec DBW Standalone harness is specific for 2003-2006 4.8,5.3, and 6.0 engines. RPO Codes LM7, LR4, LQ4, and LQ9 with a Drive by Wire (Electronic) Throttle Body, Multec Injectors, and a T56 or Non-Electric Transmission. On 2003 and newer applications leave a note with your year so we can install green retainers on the harness.

I was wondering if anyone could tell me the weight difference between an all iron engine and an all aluminum one. I'm just trying to see if I should hold out for an L92 or just get an LQ4 and put L92 heads on it.

A Look into LS Cylinder Heads There are a wide variety of OE, original equipment GM LS cylinder heads that flow excellent numbers and perform right from the production line. Depending on the application, the L92/LS3/LS7 cylinder head can support well over 1000+ horsepower. Jul 20, 2017 · We were discussing the weight differences of an aluminum block vs a cast iron block, and decided to weigh them. Also, a congratulations to the T-shirt winner! Check us out Aug 30, 2019 · Turbo 5.3L Cam Test-Stock LM7 vs BTR/LJMS Stage 2 Turbo It seems obvious from the looks of the graph that the stock LM7 cam was indeed holding us back. After installation of the BTR/LJMS Stage 2 turbo cam, the power output of the turbo 5.3L jumped from a hair above 600hp to 730hp at 6,600 rpm and 649 lb-ft of torque at 4,900 rpm. .

Mar 30, 2017 · LM7 – 5.3 – 295 horsepower, 335 ft pd’s of torque and round exhaust ports with minimum 87 octane. LQ4 – 6.0 – 325 horsepower, 360 ft pd’s of torque and round exhaust ports with minimum 87 octane. LQ9 – 6.0 – 345 horsepower, 380 ft pd’s of torque and “D” shaped exhaust ports (easy way to identify the LQ9) with minimum 92 ... The LS based small-block engine is the primary V8 used in General Motors' line of rear-wheel-drive cars and trucks. Introduced in January 1995, it is a "clean sheet" design with only rod bearings, lifters, and bore spacing in common with the longstanding Chevrolet small block V8 that preceded it as the basis for GM small-block V8s.