Exclusive V-rib adds strength without adding weight but allows maximum cooling. That represents a mere 50-horsepower and 50 pound-foot of torque decrease over the I-6. GM used a premium aluminum called A356 as the primary material for casting. Bore, Chevy, GMC, Set of 8, 4.86 out of 5 stars Saturday 3/4/2023, Pistons, Flat Top, Competition Series, Forged Aluminum, 4.030 in. Estimated International Ship Date: ( 2 ), Estimated USA Ship Date: Herzog Motorsports ran the trucks and supplied the drivers. It displaces 4.2L; 253.9cuin (4,160cc), with a 93mm 102mm (3.66in 4.02in) bore and stroke. Estimated International Ship Date: Or complete it online. 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. This kit is for a 4.00" Standard Bore Engine. California Rewire constructed the custom wiring harness that integrates the GM powertrain computer with the vehicle. Saturday 3/4/2023, Pistons, Hypereutectic, Flat, 3.780 in. Bore, -11.00cc Head Volume, Chevy, LS, Set of 8, Estimated USA Ship Date: Our Pursuit: Better Price, Better Quality, Better Service. A similar design was sketched for the Atlas and eventually became an integral part of the project. Read More. To make the rods even stronger, they are shot peened which increases fatigue life. It may not display this or other websites correctly. However, Sutters team devised an ingenious method of mounting the front differential directly to the driver side of the engines oil pan and running the passenger side axle shaft directly through the sump. It displaces 3.5L; 211.1cuin (3,460cc), with a 93mm 102mm (3.66in 4.02in) bore and stroke. However, some of the pistons and pins are color coded. 470HP Vortec 4200 GM Inline-SixJeff Wieser, Dublin CA. That meant it could use the same engine mounts and accessories as the V-8, saving parts costs and engineering expenses. As you were browsing something about your browser made us think you were a bot. All Molnar connecting rods are fitted with highly durable premium bronze bushings for use with floating wrist pin type pistons. Its displacement increased to 2.9 liters, again thanks to very slight bore increase. Apr 6, 2023 However, it was logistics that squashed that from happening. The long crankshaft presented its own set of inherent challenges. The innovative intake manifold featured an 180-degree bend, bringing air into the throttle body just above the engine and wrapping it around into the cross-flow cylinder head. 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 engine redline is 6,300 rpm.[6]. After completing the CAPTCHA below, you will immediately regain access to the site again. The LL8 (or Vortec 4200), is a straight-6 gasoline engine produced from 2002 to 2009. The story of GMs high-tech straight-six and why it died. [3] This five-cylinder engine achieves better fuel economy and performance than the six-cylinder, but with more power and torque than the four-cylinder. [1], The LK5 (also called the Vortec 2800) is a 2.8L; 169.0cuin (2,770cc) straight-4 DOHC engine produced between 2004 and 2006, with a 93mm 102mm (3.66in 4.02in) bore and stroke. Saturday 3/4/2023, Pro LS 2618 Forged Piston, 3.810 bore, 1.110 C.H., 12cc dish, 4.000in. With a turbocharger and some tuning, this simple GM SOHC inliner is now making 470 flywheel horsepower and 450 lb-ft of torque with a mild 8 psi of boost while limiting the factory rotating assembly to just 5,800 rpm. Estimated International Ship Date: Prior to assembly, the con rods have been checked to see that their bores are on parallel axes (to ensure that there has been no bending or twisting), and if necessary, they have been replaced. The V-6 was essentially a V-8 with two cylinders removed, much like the relationship among the Atlas engine family. D. That's a Hogan sheetmetal- fabricated intake manifold that Wieser felt was necessary for better performance. The Chevrolet small-block V-8, for example, began life in the 1950s and soon became the standard for high horsepower in a small package a legacy that continues into todays fifth-generation GM V-8s. Apr 17, 2023 Bore, Forged, Dome, Please Verify Piston Pin Diameter Before Ordering, Chevrolet, LS, Kit Part Number: WIS-PTS523A3 4.75 out of 5 stars ( 4 ) Extraordinary claims require extraordinary evidence.CarlSagan. The system used an electronic throttle with no mechanical linkage between the gas pedal and the throttle body. A bearing beam, or ladder, connected the seven main bearing caps longitudinally, further stiffening the block. Apr 24, 2023 Called the Lost Foam Casting technique, it basically uses a pre-shaped block of Styrofoam buried in sand. The Trailblazer SS debuted for the 2006 model year and had 395 horsepower and 400 pound-feet of torque. Mark McNabb was a contributor at TopSpeed from 2013 to 2018. The pistons have cast-in steel strips and are slotted at the transition from ring belt to skirt section. I left about a 0.045" dome to keep the compression around 10.5:1 with the small chamber 289 heads with 0.040" compression height all in the gasket (zero deck). Pro LS 2618 Forged Pistons. It was the first Atlas engine, and was introduced in 2002 for the Chevrolet TrailBlazer, GMC Envoy, and Oldsmobile Bravada.The engine was also used in the Buick Rainier, Saab 9-7X, and Isuzu Ascender.. Estimated International Ship Date: That Atlas family had three main members, the front-running 4.2-liter inline-six, the 3.5-liter five-cylinder, and the 2.8-liter four-cylinder. Vehicle/Engine Search Vehicle/Engine Search Make/Model Search Make/Engine Search Departments; Brands; Savings Central . The one-off vehicle was built with a tube-frame chassis and covered with a carbon fiber body. When introduced, this engine's power was 270hp (201kW) at 6,000 rpm and torque was 275lbft (373Nm) at 3,600 rpm. Customized connecting rods forged conrod 4340 steel, Forged Connecting Rods for Mazda BT50 3.2 MZ CD diesel engine, Honda SOHC VTEC CR10.5:1 J30A 3.0L V6 Engine Forged Conrods 86mm, Honda Inspire Saber J25A SOHC VTEC 4340 steel Connecting Rods Forged 2.5L CR 10.5:1, CX-30 forged conrods for Skyactiv Mazda 6 CX5 2.5 PY engine, Huishan Economic Development Zone, Wuxi, Jiangsu, China, 214174 ( 120 KM to Shanghai. Dual forced pin oiling on most applications. Stroke, .Gen.4 Rod, NA/Boost/Nitrous, Coated, 4.8L 5.3L LS Vortec Truck, Set of 8, Estimated USA Ship Date: Our Promise: More Precise, More Quicker, More Satisfying. [2], The Atlas engines feature aluminum cylinder blocks and heads, with the cylinder bores featuring replaceable steel cylinder liners.[1]. Jeff Wieser wanted exactly that for his '69 Pontiac Firebird Sprint. I agree with the prior response. The Isuzu i-350, the badge-engineered version of the Chevy Colorado, also made use of the inline-five. The beam also helped reduce vibration and noise, while reducing the chances for an oil leak. Source: Vortec 4200 Wiki via Grassroots Motorsports. Estimated International Ship Date: They have cast-in steel strips but are not slotted. You are using an out of date browser. $559.00 $509.00 Quantity - + Add to Cart Description GM Chevy Vortec 4200 DOHC Inline 6 cylinder Atlas 4.2 engine rods GM also broke ground in the SUV segment by using dual overhead cams with roller-followers to control the four valves per cylinder. They have cast-in steel strips but are not slotted. Apr 24, 2023, Pro LS 2618 Forged Pistons. Dec 17, 1999. 350, Dome Piston Style, Forged Aluminum Piston Material. 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. Atlas is a name for a family of modern inline piston engines for trucks from General Motors, used in the GMT355 and GMT360 platforms. 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 first race truck was the Vortec Trailblazer that ran in the Baja 500 and Baja 1000 off-road races in 2000. novadude said: In my case, 4.030 bore, 0.017" piston-to-deck, 0.028" GM composition gasket, measured 63cc Vortec heads, 12 cc piston dish (checked with plate and syringe) = 9.6:1. Each of these mid-sized SUVs shared the same architecture, including the industrys first fully hydroformed frame in a mid-size SUV. Engine oil flowed into the phaser and operated a helical spline and piston. Please note that Checkout Prices will be in US Dollars. This provides the pistons with significantly improved heat removal properties, especially in the first ring groove. $5 Off Your $100 Mobile App Purchase - Get the App. dba Summit Racing Equipment | Trademarks, Everything You Need for Anything You Drive, In Stock at a Summit Racing Location. vortec 4200 forged pistons. The four-inch stroke remained untouched. The Vortec 4200s second foray into racing came at Pikes Peak. However, GM has a lesser-known engine family that deserves admiration for its outside-the-box thinking and outstanding technological advancements: the Atlas inline family. This allowed the engine to breath deeper during high-throttle situations, resulting in higher power without the fuel consumption penalty being present throughout the rev range. Chrysler Dodge Mopar Vortec 4200 Rods . KingTec Racing (Wuxi) Co., Ltd. is focus on R&D high performance racing cars spare parts for more than 17 years. Each ICON piston is purpose built from the ground up for extreme high-performance street or racing applications. If you are Building ANY style of the GM Atlas Vortec 4, 5 or 6 Cylinder In-Line Aluminum Engines.You will save yourself ONE HUGE PITA by avoiding the use of Standard Spring Steel-Hex Wrench Clamped or Ratcheting Pliers Style Piston Ring Compressors and opt instead to get a Wiseco 93mm One Piece Tapered Special Tool for this Purpose. Saturday 3/4/2023, Pistons, Flat Top, Competition Series, Forged Aluminum, 4.070 in. This was designed to quell vibrations to the components mounted above, including the individual ignition coils. A cam phaser mounted at the front of the exhaust camshaft controlled the system. 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. Stroke, .945 pin Press or Float, NA/Boost/Nitrous, Coated, 4.8L 5.3L Vortec Truck Due to the manufacturing process, they are stronger and therefore allow reduced wall cross-sections and lower piston weight. This includes the alternator, A/C compressor, and idler pulley. Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Saturday 3/4/2023, Pistons, Dish, 12 Degree LS2K Series, Forged Aluminum, 4.125 in. Mar 20, 2023 The steel water pump pulley was used to power the clutched cooling fan to pull cool air through the radiator. This coil-on-plug design helped eliminate wires while providing 25 millijoules to each plug for a hot, fast burn. Saturday 3/4/2023. A. Wieser started with a Walbro GSS 340 in-tank fuel pump, stock 26-lb/hr injectors, and 5 psi of boost but quickly learned he needed bigger injectors and a larger pump. 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. Vortec 4200 Turbo Engine Builds! The increase in displacement resulted in power increases as well, boosting horsepower to 242 at 5,600 rpm and torque to 242 pound-feet at 4,600 rpm. Apr 24, 2023 The cam would then rotate relative to the cam sprocket, creating the different camshaft profile, which changed the timing of the exhaust valves opening. Privacy Policy Copyright 2023 MolnarRods.com All Rights Reserved. Even GMs lineup of V-6 engines is impressive, ranging from the 60-degree V-6 that powered nearly every GM car from 1980 through 2010, up to the twin-turbocharged V-6 powering the Cadillac ATS-V. 360 Forged Pistons; Buick. This site uses Akismet to reduce spam. In '05 its The Chrysler 2.5L Turbo, Chevrolet 5.7L LT5 (ZRI Corvette), Chevrolet 5.7L LT1 and Chevrolet 4.3L 200HP truck engines all have our pistons. HOT ROD GARAGE: Season 7, Episode 85 - Does America Make a Better Barra?!?! Despite this, the oil pan still held seven quarts. Plus the vortecs are small cc (I think 64) and that small of a camber with domed pistons will give a high compression ratio (which does not work well with todays gas). This necessitated a highly strengthened oil pan and a cylindrical pass-through for the axle shaft. MAHLE pistons are reliable. These pistons has 1.50mm-1.50mm-3.0mm ring grooves & can be free floated but LR63 locks not included & must be . Four drivers tag-teamed the race and included Brian Stewart, Mark Miller, Bekki Freeman and Ryan Arciero. The high silicon VMS-75 alloy is found exclusively in pistons powerforged by Speed-Pro. CHEVROLET 4.2L/256 Pistons - L6 Engine Type - Free Shipping on Orders Over $99 at Summit Racing Earn Summit Bucks on Select Safety Products! The 4.2-liter Atlas LL8, otherwise called the Vortec 4200, was a groundbreaking engine for GM. As a result, they form a uniform body with extreme strength. Copyright 2005-2022 KingTec Racing Co., Ltd. All Rights Reserved. In many instances, MAHLE is asked to supply the pistons for an OE manufacturer's high output, premium engines. Pistons. The most difficult part is keeping his foot out of the throttle because it's so much fun to drive. Stroke, .945 pin Press or Float, NA/Boost/Nitrous, Coated, 4.8L 5.3L Vortec Truck, 2.0 out of 5 stars Stroke, .Gen.4 Rod, NA/Boost/Nitrous, Coated, 4.8L 5.3L LS Vortec Truck, Set of 8, 5.0 out of 5 stars The straight-five produced 220 horsepower at 5,600 rpm and 225 pound-feet of torque at only 2,800 rpm. [4], The LLR (also called Vortec 3700), is a straight-5 DOHC engine with dual balance shafts produced from 2007 through 2012. For additional protection and to avoid cavity edge or crown fissures, these pistons have a special hard anodized layer (HA layer) on the crown. Large coolant chambers were routed around the valves and the center-mounted spark plugs, further helping the engine run cooler. This commonality throughout the Atlas family was certainly a big attraction, both for ease of manufacturing and keeping costs in check. Estimated International Ship Date: It would be better if it was longer. It featured an all-aluminum construction, dual overhead cams with variable valve timing on the exhaust side, four valves per cylinder, a coil-on-plug ignition system, a high compression ratio of 10:1, and its cylinder heads featured GMs then-prevalent Vortec engineering designed to maximize airflow. The inclusion of VVT on the exhaust camshaft side allows the Atlas series to meet emissions standards without the use of EGR, simplifying the engine design and increasing power for a broad power curve. Vortec 4200 build on Hot Rod Garage. Just as with the five-cylinder, the Vortec 2800 used many of the same parts and manufacturing procedures. Estimated International Ship Date: All Molnar rods are finished in the United States at the Molnar Technologies shop in Michigan. On this episode of HOT ROD Garage, hosts Tony Angelo and Lucky Costa are going to take on the legendary Aussie engine, the Ford Barra. Apr 10, 2023 On assembly it must be ensured that the components are lubricated sufficiently. With pin boss bushes made from a special material, the load-bearing capacity of the pin boss is increased. "Improved Performance and Efficiency Highlight a Robust Powertrain Lineup for '05", "2006 Vortec 3500 3.5L I-5 (L52) Spec Sheet", https://en.wikipedia.org/w/index.php?title=General_Motors_Atlas_engine&oldid=1141935714, Short description is different from Wikidata, Creative Commons Attribution-ShareAlike License 3.0, This page was last edited on 27 February 2023, at 17:08. Stroke, .945 pin Press or Float, NA/Boost/Nitrous, Coated, 4.8L 5.3L Vortec Truck, Estimated USA Ship Date: Surface: Shot-peened surfaces to relieve stress. There are a few reasons this might happen: To regain access, please make sure that cookies and JavaScript are enabled before reloading the page. With the closure of the Moraine, Ohio, plant and the discontinuation of the GMT360 platform (Chevrolet TrailBlazer, GMC Envoy, etc. Sutter has been involved with engine programs for the last 30 years, ranging from Oldsmobiles Quad Four to Cadillacs current V-Series mills. Apr 24, 2023 Still, that doesnt negate the unique nature of GMs forgotten inline engine family. Apr 25, 2023, Pro LS 2618 Forged Pistons. Tuesday 3/7/2023 It all started back in 1995 when GM began researching and planning its next mid-size SUV. Stay Updated with Emails from Summit Racing. Saturday 3/4/2023, Estimated USA Ship Date: The MAHLE repair pistons are ready for installation with mounted piston rings. PIPER KING AIR 200 Piston Twin Aircraft For Sale in COUNCIL BLUFFS, IOWA 1 - 1 of 1 Listings. 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. ( 1 ), Estimated USA Ship Date: The 5.0-liter inline-six pushed the race truck to win the Trick Truck class, beating the next race team by more than 30 minutes and coming in second in the overall completion. The package generated an impressive 400 horsepower at 5,200 rpm and 400 pound-feet of torque at 2,500 rpm. Keeping things quiet was GMs innovate valve cover. Bore (mm) Stroke Actual Engine Displacement Rod Length Piston Style Piston Material Compression Height (in.) Another I6-powered truck won the truck class at the Pikes Peak International Hillclimb. Despite the long list of similarities between the I-4, I-5, and I-6, the smaller engines were built at the Tonawanda Engine Plant in Tonawanda, New York. On this Wikipedia the language links are at the top of the page across from the article title. Apr 25, 2023, Pro LS 2618 Forged Pistons. Molten aluminum is then poured in, filling the voids left by the melting foam. Estimated International Ship Date: The Vortec 4200 was controlled by a drive-by-wire system, another first in a GM truck application. Piston Rings. AUTOTHERMIK- / HYDROTHERMIK These very quiet running pistons are used primarily in passenger cars. Re: TRW NOS forged pistons question. Distance From Council Bluffs, Iowa Update. For a better experience, please enable JavaScript in your browser before proceeding. The engine features a 3.70-inch bore and a 4.00-inch stroke. As a result of a special casting technology these pistons offer low weight and high structural rigidity. Please try again. ( 7 ), Estimated USA Ship Date: Monday 3/6/2023 Herzog Motorsports also ran another Vortec Trailblazer in the Best In The Desert Nevada 2000. Price Range Filter Options Savings Central Selected Filters Part Type: Pistons Make: CHEVROLET Engine Size: 5.7L/350 All browsing and transactions within are secured by an SSL Certificate with high-strength encryption. The Vortec 2800 was the standard engine for the Colorado, Canyon, and Isuzu i-280. More compression is good. Forged solid skirt This type of piston can mainly be found in high performance series production and racing engines. Estimated International Ship Date: Ring carrier pistons with cooling channel These pistons are used in conditions with particularly high operating temperatures. Both the Equinox and Traverse utilized transversely mounted engines, and as Sutter mentioned, the straight-six was simply too long for mounting sideways. In 2003, the Vortec 4200 was fitted with polymer-coated pistons that reduce engine noise and enhance durability. Growing up, Mark always had a mind for tinkering on random items throughout his home and dads garage, including a 1953 Ford Mainline and 1971 Corvette Stingray. All proceeds go to supporting the site. The Vortec 3700 five-cylinder was passed up in favor of a trio of V-6 engines in the car-like crossovers. Estimated International Ship Date: Wieser says the A/C conversion blows plenty cold even after 5,000 miles of street driving. TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada. The Vortec 4200 was a huge leap forward for GM powertrains. Apr 6, 2023 We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites. The cam is a XE 284H .507/0510 lift Marks spare time was heavily consumed by reading automotive magazines and wondering how in the heck people could land a job testing cars all day. The 4.2-liter called the GMT360 platform home. We had to find a way to run the 4WD system, yet still meet the engines oiling needs. Impressively, the oil pump moved 11 gallons a minute at 2,500 rpm while maintaining a maximum pressure of 65 psi. 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. The Platinum Series also features tool-steel wrist pins, an exact ring-groove . Its displacement jumped to 3.7 liters thanks to a larger 3.76-inch bore. If you are an international customer and would like to change the currency that prices are displayed in, you can do so here. Like the 454 and the 502 big-blocks, the 8.1 (RPO L18) is founded on a 9.800-inch-tall deck cylinder block though it deviates from the other two powerplants via a 4.225-inch bore x a 4.370-inch stroke (the 454 and 502 maintain a The 1996 and later Vortec heads have the heart shaped combustion chambers. Who says you need eight cylinders to have a party? Fine-tuning polishes everything up to exact tolerances. Chrysler Dodge Mopar Vortec 4200 Rods . The Vortec 4200 also utilized an innovative mounting system for its accessories. Apr 25, 2023, Pistons, Dish, Competition Series, Forged Aluminum, 4.070 in. 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. The oil pump was refined to limit noise; and the cam-chain tensioner was improved for quieter operation. Bore, -20.00cc Head Volume, Chevy, LSX, Set of 8, Pro LS 2618 Forged Piston, 3.810 bore, 1.110 C.H., 5cc dish, 4.000in. Regular grade gasoline was recommended. No matter what your high-performance application calls for, there is an ICON piston for you. Estimated International Ship Date: Sutter was able to give us a deeper insight into the Atlas program, so keep reading for more. Used Piston Twin Aircraft For Sale in COUNCIL BLUFFS, IOWA 1 - 1 of 1 Listings. The episode is #40, with an air date of 5/1/2020. 3.810 bore, 1.326 C.H., 7cc dish, Std. In many instances, MAHLE is asked to supply the pistons for an OE manufacturer's high output, premium engines. MAHLE's eutectic (12% silicon) aluminum alloy is performance proven in literally millions of engines around the world including high output diesel engines and Formula One racing. They feature coil-on-plug ignition systems,[1] variable valve timing on the exhaust side, electronic throttle control, and a special oil pan with a pass-through for the half shafts in four-wheel drive vehicles. 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. This is a custom order part. Summit Racing will BEAT any competitor's advertised price! For 2006, power was increased to 291hp (217kW) at 6,000 rpm and torque to 277lbft (376Nm)) at 4800 rpm with the addition of a MAF and a complete internal redesign of the engine; however, due to the new SAE rating procedures, ratings can vary slightly between years. It has four valves per cylinder, utilizes dual-overhead cams (DOHC) design, and features variable valve timing on the exhaust cam, a first for GM inline engines. The LLR also corrected the head issue found in the L52. Piston Rings. The same aluminum and heat-treating were also used for the cylinder head. MAHLE Aftermarket Inc.23030 MAHLE DriveFarmington Hills, MI 48335, by MAHLE Aftermarket GmbH, Stuttgart 2001 - 2023. Stroke, .Gen.4 Rod, NA/Boost/Nitrous, Coated, 4.8L 5.3L LS Vortec Truck, Set of 8, Estimated USA Ship Date: Dual forced pin oiling on most applications, Lateral gas porting on higher compression ratios. The throttle was controlled through the PCM and was opened via an electric motor mounted inside the 77-mm diameter throttle body. Thank you! 3.780 bore, 1.326 C.H., 7cc dish, Std. Stroke, .Gen.4 Rod, NA/Boost/Nitrous, Coated, 4.8L 5.3L LS Vortec Truck, Set of 8, Estimated USA Ship Date: HotCars covers all things automotive: the latest auto news and informative reviews on the car, pickup truck and motorcycle industries. Stroke, .945 pin Press or Float, NA/Boost/Nitrous, Coated, 4.8L 5.3L Vortec Truck, 4.33 out of 5 stars . 2003 saw a slight bump in power to 275hp (205kW), while torque was unchanged. Starting with 2618 alloy heat treated to high strength T-6 specifications, these give you the best value for your money. Large, 70 mm-diameter main bearings were also used to minimize crankshaft movements. We decided to take a closer look at the Vortec 4200 and its forward-thinking design. The Vortec 3500 saw service in GMs compact pickups, the first-generation Chevrolet Colorado and GMC Canyon. Over the course of those projects hes gathered a lot of information on the motor and shares it on the Vortec 4200 Wiki.