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. HotCars covers all things automotive: the latest auto news and informative reviews on the car, pickup truck and motorcycle industries. Inliner Member 1716 65 Chevelle Wagon and 41 Hudson Pickup Information and parts www.12bolt.com. Machined from high-strength 2618 alloy, these 18cc spherical-dome pistons are offered for both single and dual overhead cam applications. 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. Copyright 2005-2022 KingTec Racing Co., Ltd. All Rights Reserved. The Vortec 4200 was controlled by a drive-by-wire system, another first in a GM truck application. He installed a Bosch 044 external pump along with 42-lb/hr injectors cranked up to 70 psi. This included the larger displacement version of the four- and five-cylinder engines. Forged solid skirt This type of piston can mainly be found in high performance series production and racing engines. This included the Chevrolet Trailblazer, GMC Envoy, Buick Rainier, Oldsmobile Bravada, Isuzu Ascender, and Saab 9-7X. The piston pins are selected for the appropriate fit and they can be exchanged within the same piston type. Furthermore, GMs first stab at variable valve timing was put into place on the exhaust side. It was the cancellation of the GMT360 platform in 2009 that spelled the end for the Vortec 4200. Those are the "Vortec" heads, regardless what the engine cover says. Do they have a chamfer on piston top near the ring? The 4.2-liter called the GMT360 platform home. GMs 2007 refresh of the Atlas family brought changes to the Vortec 2800 as well. 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. Re: TRW NOS forged pistons question. Herzog Motorsports ran the trucks and supplied the drivers. The steel water pump pulley was used to power the clutched cooling fan to pull cool air through the radiator. 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. 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. The hue and cry continue over the preponderance of LS engines in this magazine, and it has not gone unnoticed. Piston Rings. Ring carrier pistons with cooling channel These pistons are used in conditions with particularly high operating temperatures. 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. Manley Performance Products has forged aluminum pistons for 4.6- and 5.4-liter Ford applications available in its Platinum Series. Racetec piston #1003628 is setup for stock bore with a 6 inch rod and a 0.927" pin. In many instances, MAHLE is asked to supply the pistons for an OE manufacturer's high output, premium engines. Chrysler Dodge Mopar Vortec 4200 Rods . Bore, Chevy, GMC, Set of 8, 4.86 out of 5 stars 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. Never miss a sale on new parts, tools, and more! The engine redline is 6,300 rpm. Bore, Chevy, 4.8L, 5.3L, Set of 8, Estimated USA Ship Date: Saturday 3/4/2023, Estimated USA Ship Date: Stroke, 6.125 Rod, NA/Boost/Nitrous,Coated, 4.8L 5.3L LS Vortec Truck, Set of 8, Estimated USA Ship Date: 3.785 bore, 1.326 C.H., 2cc dome, Std. Saturday 3/4/2023, Pistons, Dish, Competition Series, Forged Aluminum, 4.030 in. Talk to the experts. 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. This provides the pistons with significantly improved heat removal properties, especially in the first ring groove. [2], The Atlas engines feature aluminum cylinder blocks and heads, with the cylinder bores featuring replaceable steel cylinder liners.[1]. Amazingly, the block, crank, head, head gasket, cams, and valve sizes all remained untouched. The cam is a XE 284H .507/0510 lift C. The base engine is an '05 Vortec 4200, but Wieser says '06 to '07 engines offer a better-flowing cylinder head with more cam timing. Piston Rings. Naturally, the demands on pistons have also risen progressively: they must be lighter, must have lower oil consumption and must be absolutely safe and reliable. Vehicle/Engine Search Vehicle/Engine Search Make/Model Search Make/Engine Search Departments; Brands; Savings Central . GM also equipped the new-for-2006 Hummer H3 with the Vortec 3500. [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. Apr 3, 2023, Pro LS 2618 Forged Pistons. Cast solid skirt pistons have a long service life and can be used in gasoline and diesel engines. 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. Bore (mm) Stroke Actual Engine Displacement Rod Length Piston Style Piston Material Compression Height (in.) The Vortec 4200 featured a deep-skirted block that added strength to the crank area. A high-flow oil pump, fuel injectors, and exhaust system rounded out the updates. The I6 version was used in a Baja 1000 racing truck, winning its first race in a class that also included V8 engines. He eventually figured it out. The same aluminum and heat-treating were also used for the cylinder head. As mentioned before, the Vortec 4200 was the first GM truck engine to feature variable valve timing. 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. . Stroke, .945 pin Press or Float, NA/Boost/Nitrous, Coated, 4.8L 5.3L Vortec Truck Pistons with cooled ring carriers For these pistons, ring carriers and cooling channels are combined into one system in a special production process. Wieser attributes much of the reliable power results to tuning by Mark Romans, who used his HPTuners software to dial in the spark and fuel. The bearing beam sat sandwiched between the main caps and main cap bolts. Valve recess depth. Please try again. 350, Dome Piston Style, Forged Aluminum Piston Material. The beam also helped reduce vibration and noise, while reducing the chances for an oil leak. Camshaft and crankshaft position sensors ensured the Powertrain Control Module could keep track of precise timing information. The 4.2-liter Atlas LL8, otherwise called the Vortec 4200, was a groundbreaking engine for GM. Sutter has been involved with engine programs for the last 30 years, ranging from Oldsmobiles Quad Four to Cadillacs current V-Series mills. Large, 70 mm-diameter main bearings were also used to minimize crankshaft movements. Molten aluminum is then poured in, filling the voids left by the melting foam. The cam would then rotate relative to the cam sprocket, creating the different camshaft profile, which changed the timing of the exhaust valves opening. Apr 6, 2023 Exclusive V-rib adds strength without adding weight but allows maximum cooling. Estimated International Ship Date: CHEVROLET 5.7L/350 Chevy small block Gen I Pistons - Free Shipping on Orders Over $99 at Summit Racing Bore (in.) The Vortec 3700 five-cylinder was passed up in favor of a trio of V-6 engines in the car-like crossovers. Saturday 3/4/2023, Pistons, Dish, 12 Degree LS2K Series, Forged Aluminum, 4.125 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. B16A Forged Pistons; B20 Forged Pistons; AMC. Part of GMs sizable investment into the Atlas project afforded room for future advancements. GM canned the project, however, electing to use the 6.0-liter LS2 V-8 instead. It would be better if it was longer. MAHLE Aftermarket Inc.23030 MAHLE DriveFarmington Hills, MI 48335, by MAHLE Aftermarket GmbH, Stuttgart 2001 - 2023. Original poster. This early adopter only had VVT on the exhaust side, however, but allowed for 25 degrees of exhaust cam phasing. Call 800.979.0122, 7am-10pm, everyday. Sutter was able to give us a deeper insight into the Atlas program, so keep reading for more. The oil pump was refined to limit noise; and the cam-chain tensioner was improved for quieter operation. Stroke, .945 pin Press or Float, NA/Boost/Nitrous, Coated, 4.8L 5.3L Vortec Truck, Estimated USA Ship Date: Stroke, 6.125 Rod, NA/Boost/Nitrous,Coated, 4.8L 5.3L LS Vortec Truck, Set of 8, Pro LS 2618 Forged Piston, 3.820 bore, 1.110 C.H., 5cc dish, 4.000in. The system used an electronic throttle with no mechanical linkage between the gas pedal and the throttle body. Estimated International Ship Date: Estimated International Ship Date: poems about death of a mother with alzheimer's . He also runs Mobil 1 synthetic, taking advantage of its superior thermal stability. of 129, Pro LS 2618 Forged Pistons. There were also plans to introduce variable valve timing on the intake side, making it GMs first fully variable-timed engine. As you were browsing something about your browser made us think you were a bot. Wieser's current engine is still plenty efficient, as he reports the current 8 psi/42 lb/hr injector package delivers 21 mpg split between highway and in-town driving. 2003 saw a slight bump in power to 275hp (205kW), while torque was unchanged. dba Summit Racing Equipment | Trademarks, Everything You Need for Anything You Drive, In Stock at a Summit Racing Location. Bet they are just a forged stock replacement piston. Ships In a Few Days. Ships Monday 3/6/2023. The engine features a 3.70-inch bore and a 4.00-inch stroke. Will fit Vortec style heads. There are a few reasons this might happen: To regain access, please make sure that cookies and JavaScript are enabled before reloading the page. As a result, they form a uniform body with extreme strength. ( 2 ), Estimated USA Ship Date: Engineers added twin Aerodyne turbos tuned to generate 8.5 pounds of boost. The latest version is a set of 60-lb/hr injectors (at least he only needs six) that will be enough to keep the air/fuel ratio safe at 12.0:1 air/fuel with 10 psi of boost. Saturday 3/4/2023, Pistons, Flat Top, Competition Series, Forged Aluminum, 4.065 in. Apr 6, 2023 The Atlas program got its start around the same time, with GM sold on the benefits of an inline engine. 3.810 bore, 1.326 C.H., 2cc dome, Std. ( 1 ), Estimated USA Ship Date: This is a custom order part. 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. This was designed to quell vibrations to the components mounted above, including the individual ignition coils. 3.810 bore, 1.326 C.H., 7cc dish, Std. Vehicle/Engine Search Make/Model Search Make/Engine Search Departments Brands Savings Central Contact Us Help Center Wish List Order Status & Returns My Account Welcome My Account Order Status Wish List Bore, Forged, Dome, Please Verify Piston Pin Diameter Before Ordering, Chevrolet, LS, Kit Part Number: WIS-PTS523A3 4.75 out of 5 stars ( 4 ) Cast solid skirt Piston top, ring belt and skirt form a robust unit. It made its production debut for the 2002 model year. Bore, -15.00cc Head Volume, Chevy, LS, Set of 8, Piston, Hypereutectic, Flat, 3.809 in. [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. Be sure to ask for 7/16 rod bolts as the part number. All proceeds go to supporting the site. He also built a custom trans crossmember along with fabbed subframe connectors. 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. $5 Off Your $100 Mobile App Purchase - Get the App. MAHLE's eutectic (12% silicon) aluminum alloy is performance proven . 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. There is a lot of great information if you are interested in installing or modifying a Vortec 4200 inline-six. MAHLE pistons are reliable. Pistons, Pro Tru Street Pistons, 4.030 in. The same is true for the cylinder head, which came straight from casting with its intake and exhaust ports already formed. Source: Vortec 4200 Wiki via Grassroots Motorsports. Exclusive V-rib adds strength without adding weight but allows maximum cooling. Estimated International Ship Date: Stroke, .Gen.4 Rod, NA/Boost/Nitrous, Coated, 4.8L 5.3L LS Vortec Truck, Set of 8, Estimated USA Ship Date: Some shows do that, continuing off-air. Over the course of those projects hes gathered a lot of information on the motor and shares it on the Vortec 4200 Wiki. To make the rods even stronger, they are shot peened which increases fatigue life. Vortec 4200 Turbo Engine Builds! These matching horsepower and torque figures would mirror changes taking place with the Vortec 4200 for the 2004 model year. 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. However, it was logistics that squashed that from happening. Features like coolant passages, oil galleries, and oil drain-back passages were cast directly from the foam, eliminating the need to drill into a pre-formed cast block. 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. It could be had in either RWD or AWD. Apr 3, 2023 Diamond Pistons announces the release of its direct replacement forged piston for Chevrolet 8.1L (496ci) big-block marine engine applications. Its displacement jumped to 3.7 liters thanks to a larger 3.76-inch bore. And thanks to the number of valves, their sizes were kept small to help with cooling. Vortec 4200 build on Hot Rod Garage. As Truck Trend pointed out in its 2002 review, these performance stats put the twin-turbo Trailblazer squarely against the then-current BMW X5. Apr 10, 2023 The Forgotten Inline Engine: GMs 4.2-liter Atlas I-6, What Nobody Is Telling You About Hydrogen Combustion Engines, Five Popular Motorcycle Companies With Chinese Connections, 10 Reasons Why The BMW X6 Is The Ultimate Midsize Coupe. The Vortec 4200 featured a deep-skirted block that added strength to the crank area. It produces 242hp (180kW) at 5,600 rpm and 242lbft (328Nm) at 4,600 rpm. A third-party browser plugin, such as Ghostery or NoScript, is preventing JavaScript from running. The Vortec 4200 was a huge leap forward for GM powertrains. D. That's a Hogan sheetmetal- fabricated intake manifold that Wieser felt was necessary for better performance. Pro LS 2618 Forged Pistons. Calvin Nelson has swapped a Vortec 4200 inline-six into a Studebaker Lark and Fairmont Futura. Jeff Wieser wanted exactly that for his '69 Pontiac Firebird Sprint. PIPER KING AIR 200 Piston Twin Aircraft For Sale in COUNCIL BLUFFS, IOWA 1 - 1 of 1 Listings. As a result of a special casting technology these pistons offer low weight and high structural rigidity. Bore, Chevy, 4.8L, 5.3L, Set of 8, 4.71 out of 5 stars [4], The LLR (also called Vortec 3700), is a straight-5 DOHC engine with dual balance shafts produced from 2007 through 2012. 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. 3.810 bore, 1.326 C.H., 2cc dome, Std. Who says you need eight cylinders to have a party? The guys on Hot Rod Garage are building a couple of 4.2l engines to compare with the Barra (an Aussie) engine. Nevertheless, the Vortec 4200 and its Atlas family soldier on in millions of GM vehicles the world over. Estimated International Ship Date: 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: He could even be found working on tractors or hay bailers while on vacation at his uncles farm. GM says this helped eliminate play in the belt-drive system since each component was perfectly positioned in relation to the block. 360 Forged Pistons; Buick. When introduced, this engine's power was 270hp (201kW) at 6,000 rpm and torque was 275lbft (373Nm) at 3,600 rpm. Stroke, .945 pin Press or Float, NA/Boost/Nitrous, Coated, 4.8L 5.3L Vortec Truck, 4.33 out of 5 stars Bore, -11.00cc Head Volume, Chevy, LS, Set of 8, Estimated USA Ship Date: Find CHEVROLET 7.4L/454 Chevy big block Gen VI Pistons Forged aluminum Piston Material and get Free Shipping on Orders Over $99 at Summit Racing! ), production of the LL8 also ended. Bore, Chevy, 4.8L, 5.3L, Set of 8, Estimated USA Ship Date: The pistons and con rods must always be assembled in the prescribed installation direction. All three shared the same basic architecture and a wide range of parts, though it was the 4.2-liter that led the Atlas program. A similar design was sketched for the Atlas and eventually became an integral part of the project. It displaces 3.7L; 222.9cuin (3,653cc), courtesy of a larger 95.5mm (3.76in) bore while keeping the 102mm (4.02in) stroke. Apr 3, 2023 Both the Equinox and Traverse utilized transversely mounted engines, and as Sutter mentioned, the straight-six was simply too long for mounting sideways. Mark McNabb was a contributor at TopSpeed from 2013 to 2018. Distance From Council Bluffs, Iowa Update. refined. ( 7 ), Estimated USA Ship Date: In the case of pistons that have a graphitized skirt, another 0.015-0.020 mm should be deducted from the measured piston diameter to allow for the thickness of the layer; this gives the nominal diameter for the piston which is stamped on it. Machining off the dome on these old style pistons is the best thing you can do to them, they are super heavy with the dome. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine. You'll be above that CR, even with flat-tops, unless you are running a .039" gasket and 0.025+ deck height. The intake manifold was kept short in order to accommodate easy access to the spark plugs. Summit Racing will BEAT any competitor's advertised price! The engine redline is 6,300 rpm. 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. 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. Icon Chevy 350 Vortec Forged Pistons, .163 Dome, 6.0 Rod made by Icon Pistons, for as low as $580.99. Estimated International Ship Date: Even the starter motor had its own mounting spot within the bell housing flange at the rear of the engine. ( 2 ), Estimated USA Ship Date: We reached out to GM and found Tom Sutter, the Assistant Chief Engineer for the Atlas. Stay Updated with Emails from Summit Racing. On assembly it must be ensured that the components are lubricated sufficiently. Formerly KB Forged Pistons. The LL8 shares 75% of its components with the LK5 and L52; while the LK5 and L52 share 89% of their components. Another I6-powered truck won the truck class at the Pikes Peak International Hillclimb. The factory plugs were rated to last 100,000 miles before replacement. Learn how your comment data is processed. Trailblazers, Envoys, and other GMT360 vehicles also necessitated some innovative engineering to solve the issue of where to place the 4WD front differential and axles. The Atlas engines were produced at the Flint Engine South plant in Flint, Michigan, while the I4 and I5 versions were produced at the Tonawanda Engine plant in Tonawanda, New York, near Buffalo. Apr 10, 2023 And he just started swapping one into a Fiat 118G. The engines use GM's Vortec name, and Straight-4, Straight-5, and Straight-6 engines are all part of the same family, sharing the same manufacturing equipment, rods, pistons, valves, and other parts. Surface: Shot-peened surfaces to relieve stress. This coil-on-plug design helped eliminate wires while providing 25 millijoules to each plug for a hot, fast burn. The skunkworks project kicked off shortly after the Trailblazers launch in 2002. 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 LLR also corrected the head issue found in the L52. Herzog Motorsports also ran another Vortec Trailblazer in the Best In The Desert Nevada 2000. Call 800.979.0122, 7am-10pm, everyday. It displaces 4.2L; 253.9cuin (4,160cc), with a 93mm 102mm (3.66in 4.02in) bore and stroke. From the FHR series to the LCAT, ICON offers the most diverse and fully-featured "Off the Shelf" forged piston on the market today. 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 Isuzu i-350, the badge-engineered version of the Chevy Colorado, also made use of the inline-five. Get information of our newest products and promotions . The I-6 was built at GMs Flint Engine South plant in Flint, Michigan. 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. Because of the efficient cooling and the decreased risk of detonation, the Vortec 4200 was able to run its high compression ratio without the need for premium fuel. With the closure of the Moraine, Ohio, plant and the discontinuation of the GMT360 platform (Chevrolet TrailBlazer, GMC Envoy, etc. Joined: Nov 2019. The story of GMs high-tech straight-six and why it died. 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). Speed-Pro developed powerforged pistons and set the pace in powerforged technology. Those pistons can be paired with Crower B93913B rods. Estimated International Ship Date: Apr 24, 2023, Pro LS 2618 Forged Pistons. Keeping things quiet was GMs innovate valve cover. When introduced, this engine's power was 270 hp (201 kW) at 6,000 rpm and torque was 275 lbft (373 Nm . It all started back in 1995 when GM began researching and planning its next mid-size SUV. Ring carrier pistons with cooling channel and crown reinforcement These pistons are used in diesel engines under heavy load conditions. Bore, -2.00cc Head Volume, Chevy, LS, Set of 8, 5.0 out of 5 stars TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada. Regular grade gasoline was recommended. E. The front accessory drive is all stock, including the water and A/C pumps. Wieser says he did all the work in his two-car garage, with the exception of the fabbed Hogan sheetmetal intake and the upholstery. 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. After completing the CAPTCHA below, you will immediately regain access to the site again. Formerly KB Forged Pistons. The engine simply wouldnt fit in other applications. It displaces 3.5L; 211.1cuin (3,460cc), with a 93mm 102mm (3.66in 4.02in) bore and stroke. Stroke, 6.125 Rod, NA/Boost/Nitrous,Coated, 4.8L 5.3L LS Vortec Truck, Set of 8, 4.0 out of 5 stars Fine-tuning polishes everything up to exact tolerances. Estimated International Ship Date: Piston diameter, installation clearance, and if applicable direction of installation are marked on the piston crown. Apr 25, 2023 Read More. AUTOTHERMATIK- / HYDROTHERMATIK These pistons are used mainly in gasoline and diesel engines for passenger cars under heavy load conditions. The same stroke and bore were present, as well as the same rods, pistons, and valves. Apr 25, 2023, Pistons, Dish, Competition Series, Forged Aluminum, 4.070 in. This necessitated a highly strengthened oil pan and a cylindrical pass-through for the axle shaft. Apr 24, 2023 In many instances, MAHLE is asked to supply the pistons for an OE manufacturer's high output, premium engines. The Platinum Series also features tool-steel wrist pins, an exact ring-groove . The Atlas high-tech features and innovative construction seem lost to most enthusiasts who arent normally interested in early- and mid-2000s GM SUVs and compact pickups. Apr 10, 2023, Pro LS 2618 Forged Pistons. They have cast-in steel strips but are not slotted. Apr 25, 2023, Pro LS 2618 Forged Pistons. Estimated International Ship Date: You've disabled JavaScript in your web browser. Apr 25, 2023, Pro LS 2618 Forged Pistons. Starting with 2618 alloy heat treated to high strength T-6 specifications, these give you the best . JavaScript is disabled. Mar 29, 2023 That represents a mere 50-horsepower and 50 pound-foot of torque decrease over the I-6. The high silicon VMS-75 alloy is found exclusively in pistons powerforged by Speed-Pro. He wasn't happy with the original Pontiac single-overhead-cam (SOHC) six and opted for an '05 Vortec 4200 (4.2L) purchased from Parts Planet in Rancho Cordova, California. Price Range Filter Options Savings Central Selected Filters Part Type: Pistons Make: CHEVROLET Engine Size: 5.7L/350 The rest of the Firebird is as nice as the engine compartment, which explains why it took three and a half years to complete. 470HP Vortec 4200 GM Inline-SixJeff Wieser, Dublin CA. Dual forced pin oiling on most applications, Lateral gas porting on higher compression ratios. Each component besides the power steering pump was mounted directly to the block. (43), In Stock, Including at a Supplier. Tuesday 3/7/2023 The Vortec 4200 also utilized an innovative mounting system for its accessories. 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. And speaking of those individual ignition coils, the Vortec 4200 came with six of them (Obviously). vortec 4200 forged pistons. The engine redline is 6,300 rpm. We considered variable valve timing on the intake side, for sure, Sutter said. AUTOTHERMIK- / HYDROTHERMIK These very quiet running pistons are used primarily in passenger cars. Apr 4, 2023 These parts may not be exchanged for others under any circumstances. They have cast-in steel strips but are not slotted. General Motors has a long history with making innovative strides in engine development. The episode is #40, with an air date of 5/1/2020.