), production of the LL8 also ended. 3.780 bore, 1.326 C.H., 2cc dome, Std. Vortec 4200 Dubbed the LL8 or Vortec 4200, the naturally aspirated engine displaced 4.2 liters, used a double overhead cams with four-valves per cylinder and had variable valve timing on the exhaust side. Piston Rings. The same is true for the cylinder head, which came straight from casting with its intake and exhaust ports already formed. Each time they are removed unnecessarily and refitted with excessive stretching, permanent deformation is caused and the operating performance is impaired. GMs decision to replace the body-on-frame Trailblazer with the unibody-based and FWD Equinox and Traverse meant the Vortec 4200 was no longer needed. Tuesday 3/7/2023. The episode is #40, with an air date of 5/1/2020. The Vortec 3500 saw service in GMs compact pickups, the first-generation Chevrolet Colorado and GMC Canyon. When introduced, this engine's power was 270 hp (201 kW) at 6,000 rpm and torque was 275 lbft (373 Nm . The engine features a 3.70-inch bore and a 4.00-inch stroke (258ci) and uses a pair of overhead cams to drive the four valves per cylinder. An air-to-water intercooler kept temperatures down, and a slew of new internal parts kept the Vortec 4200 humming along. It was built on a Trans Am chassis with a modified front subframe, this 4WD Envoy rode on cut-and-grooved tires powered by the same hand-built race version of the Vortec 4200. The throttle was controlled through the PCM and was opened via an electric motor mounted inside the 77-mm diameter throttle body. The same stroke and bore were present, as well as the same rods, pistons, and valves. ( 1 ), Estimated USA Ship Date: The LL8 shares 75% of its components with the LK5 and L52; while the LK5 and L52 share 89% of their components. Piston diameter, installation clearance, and if applicable direction of installation are marked on the piston crown. When running, oil pressure is sent to the tensioner, which keeps the chain tight throughout its lifetime. Stroke, 6.125 Rod, NA/Boost/Nitrous,Coated, 4.8L 5.3L LS Vortec Truck, Set of 8, Estimated USA Ship Date: HOT ROD GARAGE: Season 7, Episode 85 - Does America Make a Better Barra?!?! So let's travel to a distant land; affect your best English accent and repeat after us, And now for something completely different. Ring carrier pistons with pin boss bushes These pistons for diesel engines have a ring carrier made from special cast iron that is connected metallically and rigidly with the piston material in order to make it more wear resistant, in particular in the first groove. All proceeds go to supporting the site. With pin boss bushes made from a special material, the load-bearing capacity of the pin boss is increased. Bore, Chevy, 4.8L, 5.3L, Set of 8, Estimated USA Ship Date: As a result of a special casting technology these pistons offer low weight and high structural rigidity. The Vortec 4200 featured a deep-skirted block that added strength to the crank area. Both trucks were introduced for the 2004 model year and used the five-cylinder as the extra-cost engine option over the Vortec 2800 four-cylinder. These parts may not be exchanged for others under any circumstances. Bore, -2.00cc Head Volume, Chevy, LS, Set of 8, Estimated USA Ship Date: 3.810 bore, 1.326 C.H., 2cc dome, Std. Critical rod dimensions are are held to very precise tolerances of +/- .0001 of an inch, which is the tightest tolerance you will find in the performance and racing aftermarket. [3], The L52 (also called Vortec 3500), is a straight-5 DOHC engine produced from 2004 through 2006. This provides the pistons with significantly improved heat removal properties, especially in the first ring groove. The Vortec 2800 was the standard engine for the Colorado, Canyon, and Isuzu i-280. Will fit Vortec style heads. A beefier transfer case borrowed from the Cadillac Escalades AWD system offered better on-road control than the Trailblazers stock two-speed transfer case. Up to 3,000 tons of force forges aluminum slugs into the basic piston form which creates a grain flow pattern in the structure providing excellent strength, ductility and improved heat dissipation. King Tec Racing produces high performance forged connecting rods for GM Chevy Vortec 4200 DOHC set of 6 and forged pistons and crankshafts for high performance racing cars. Because of the high temperatures at the piston top and the ring belt, intensive cooling is provided with oil circulating through the cooling channel. The system operated at 350 kPa and used Multec II injectors that were more precise than past injectors. Part of GMs sizable investment into the Atlas project afforded room for future advancements. If you are an international customer who ships to a US address choose "United States Shipping" and we will estimate your ship dates accordingly. of 129, Pro LS 2618 Forged Pistons. Estimated International Ship Date: Controlling the power was GMs Hydra-Matic 4L60-E four-speed automatic transmission with slight modifications to handle the extra power. It used the same 3.7-inch cylinder bore and 4.0-inch piston stroke as the Vortec 4200, along with the same rods, pistons, and valves. Use Style C rings (1/16", 1/16", 3/16"). ( 3 ), Pro LS 2618 Forged Pistons. This kit is for a 4.00" Standard Bore Engine. Sutter and his team devised a dual-frequency harmonic damper that attached directly to the front of the crank to counteract the effect. The bearing beam sat sandwiched between the main caps and main cap bolts. The V-6 was essentially a V-8 with two cylinders removed, much like the relationship among the Atlas engine family. (4.000" bore x 3.48" stroke). As a result, they form a uniform body with extreme strength. Talk to the experts. GMs 2007 refresh of the Atlas family brought changes to the Vortec 2800 as well. If you are an international customer and would like to change the currency that prices are displayed in, you can do so here. Apr 25, 2023 Sizes: CNC machined all Sizes and Angles for More precise. The same aluminum and heat-treating were also used for the cylinder head. The LL8 was on the Ward's 10 Best Engines list for 2002 through 2005 and was the basis for all the other Atlas engines. Wieser says the Vortec 4200 is both longer and taller than the original SOHC six, so he had to take 2 inches off the bottom of the stock cast oil pan and increase the front sump area while notching the engine crossmember. Nevertheless, the Vortec 4200 and its Atlas family soldier on in millions of GM vehicles the world over. Introduced for the 2002 model year, the GMT360 platform sold a couple million examples worldwide before ending production after 2009. Still, that doesnt negate the unique nature of GMs forgotten inline engine family. Each ICON piston is purpose built from the ground up for extreme high-performance street or racing applications. Please try again. And speaking of those individual ignition coils, the Vortec 4200 came with six of them (Obviously). TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada. A similar design was sketched for the Atlas and eventually became an integral part of the project. Dual forced pin oiling on most applications. It is filtered by a combination of Fram HP8A full-flow and Amsoil bypass filters that clean the oil every 45 minutes of engine run time. This site uses Akismet to reduce spam. For race/ off road use or for use on pre-1966 vehicles. Testing revealed the twin-turbo Trailblazer could hit 60 mph in 5.35 seconds before running the quarter-mile in 13.91 seconds at 97.4 mph. And he just started swapping one into a Fiat 118G. The Vortec 4200 was a huge leap forward for GM powertrains. Their range of applications extends from model engines to large power units. The hue and cry continue over the preponderance of LS engines in this magazine, and it has not gone unnoticed. With the closure of the Moraine, Ohio, plant and the discontinuation of the GMT360 platform (Chevrolet TrailBlazer, GMC Envoy, etc. The long crankshaft presented its own set of inherent challenges. Need some help from one of you engine guys. All browsing and transactions within are secured by an SSL Certificate with high-strength encryption. Tuesday 3/7/2023 B16A Forged Pistons; B20 Forged Pistons; AMC. Saturday 3/4/2023. Formerly KB Forged Pistons. Lateral gas porting on higher compression ratios. On this Wikipedia the language links are at the top of the page across from the article title. High/Low/Average 1 - 1 of 1 Listings. In many instances, MAHLE is asked to supply the pistons for an OE manufacturer's high output, premium engines. It was a packaging thing, said Sutter. It displaces 3.5L; 211.1cuin (3,460cc), with a 93mm 102mm (3.66in 4.02in) bore and stroke. Never miss a sale on new parts, tools, and more! Surface: Shot-peened surfaces to relieve stress. Saturday 3/4/2023, Estimated USA Ship Date: The design was chosen thanks to the large volume of air four valves can move, while the roller-followers provided a smoother operation with less friction than conventional lifters, adding to the engines efficiency. The series debuted in 2002 with the Oldsmobile Bravada, and is also used in the Buick Rainier, the Chevrolet TrailBlazer and Colorado, the GMC Envoy and Canyon, the Hummer H3, Isuzu Ascender and i-370, and the Saab 9-7X. The engine features a 3.70-inch bore and a 4.00-inch stroke. Read More. (43), In Stock, Including at a Supplier. Driven by Larry Ragland, the 81 Vortec Trailblazer only competed in those two Baja races before retiring to Raglands garage. refined. Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. The 4.2-liter called the GMT360 platform home. Stroke, .945 pin Press or Float, NA/Boost/Nitrous, Coated, 4.8L 5.3L Vortec Truck Extraordinary claims require extraordinary evidence.CarlSagan. The engine redline is 6,300 rpm. Source: Vortec 4200 Wiki via Grassroots Motorsports. E. The front accessory drive is all stock, including the water and A/C pumps. The compression ratio was dropped from 10.1:1 to a milder 8.5:1, oil jets were added to help cool and lubricate the undersides of the pistons, and 2.0-mm shorter connecting rods with thicker piston pins increase the engines durability. A bearing beam, or ladder, connected the seven main bearing caps longitudinally, further stiffening the block. Talk to the experts. The four-inch stroke remained untouched. Its displacement increased to 2.9 liters, again thanks to very slight bore increase. Due to the manufacturing process, they are stronger and therefore allow reduced wall cross-sections and lower piston weight. The 4.2-liter Atlas LL8, otherwise called the Vortec 4200, was a groundbreaking engine for GM. More compression is good. This includes the alternator, A/C compressor, and idler pulley. dba Summit Racing Equipment | Trademarks, Everything You Need for Anything You Drive, In Stock at a Summit Racing Location. Copyright 2023 by AUTOSALES, INCORPORATED Do they have a chamfer on piston top near the ring? Pistons, Pro Tru Street Pistons, 4.030 in. It all started back in 1995 when GM began researching and planning its next mid-size SUV. Stroke, .Gen.4 Rod, NA/Boost/Nitrous, Coated, 4.8L 5.3L LS Vortec Truck, Set of 8, Estimated USA Ship Date: Or complete it online. Starting with 2618 alloy heat treated to high strength T-6 specifications, these give you the best value for your money. Estimated International Ship Date: From the FHR series to the LCAT, ICON offers the most diverse and fully-featured "Off the Shelf" forged piston on the market today. The piston pins are packed in a way that protects them from corrosion and they are enclosed with the piston, as are the pin locking devices (if required). Hinted by the name, the Vortec 3500 displaced 3.5 liters between five cylinders. Estimated International Ship Date: Apr 4, 2023 There are a few reasons this might happen: To regain access, please make sure that cookies and JavaScript are enabled before reloading the page. GM Chevy Vortec 4200 4.2L Inline 6 Connecting Rods Molnar Technologies H Beam rods are extremely strong performance parts which are machined from billet 4340 steel, and then heat treated to provide improved strength. Cast solid skirt pistons have a long service life and can be used in gasoline and diesel engines. Pistons have to put up with extreme pressures, as their working conditions have become significantly tougher in recent years. Valve recess depth. Bore, -2.00cc Head Volume, Chevy, LS, Set of 8, Estimated USA Ship Date: GM even used its relatively new manufacturing method for the Atlas engine block and cylinder head. Get information of our newest products and promotions . Estimated International Ship Date: This coil-on-plug design helped eliminate wires while providing 25 millijoules to each plug for a hot, fast burn. Bore, -11.00cc Head Volume, Chevy, LS, Set of 8, Estimated USA Ship Date: Mounting the components under the engine like previous SUVs would push the engine too high. Who says you need eight cylinders to have a party? Constructed from a plastic-like composite material, the valve cover was held in place with 21 grommets and fasteners that work with the main silicone seal to keep the cover floating atop the head. Formerly KB Forged Pistons. Bore, Chevy, 4.8L, 5.3L, Set of 8, 4.71 out of 5 stars Saturday 3/4/2023, Pro LS 2618 Forged Piston, 3.810 bore, 1.110 C.H., 12cc dish, 4.000in. The high silicon VMS-75 alloy is found exclusively in pistons powerforged by Speed-Pro.