Part of GMs sizable investment into the Atlas project afforded room for future advancements. Estimated International Ship Date:
Be sure to ask for 7/16 rod bolts as the part number.
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. 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. Distance From Council Bluffs, Iowa Update. HOT ROD GARAGE: Season 7, Episode 85 - Does America Make a Better Barra?!?! 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. A local guy has a SBC for sale, It has Speed Pro HYPER--- .125 dome pistons ( H618P). Piston Rings. Driven by Larry Ragland, the 81 Vortec Trailblazer only competed in those two Baja races before retiring to Raglands garage. MAHLE pistons are OE quality and have many premium OE features. As Truck Trend pointed out in its 2002 review, these performance stats put the twin-turbo Trailblazer squarely against the then-current BMW X5. This commonality throughout the Atlas family was certainly a big attraction, both for ease of manufacturing and keeping costs in check. These vehicles were designed around the I6 engine. Apr 4, 2023
Dual forced pin oiling on most applications, Lateral gas porting on higher compression ratios.
Molten aluminum is then poured in, filling the voids left by the melting foam. Get information of our newest products and promotions . 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. 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. So let's travel to a distant land; affect your best English accent and repeat after us, And now for something completely different. The length of the engine and its structure definitely played a part in that, Sutter said. Starting with 2618 alloy heat treated to high strength T-6 specifications, these give you the best . AUTOTHERMIK- / HYDROTHERMIK These very quiet running pistons are used primarily in passenger cars. Nevertheless, the Vortec 4200 and its Atlas family soldier on in millions of GM vehicles the world over. Manley Performance Products has forged aluminum pistons for 4.6- and 5.4-liter Ford applications available in its Platinum Series. The Vortec 3500 saw service in GMs compact pickups, the first-generation Chevrolet Colorado and GMC Canyon. The LL8 (or Vortec 4200), is a straight-6 gasoline engine produced from 2002 to 2009. Dual forced pin oiling on most applications. ( 2 ), Estimated USA Ship Date:
Bore, Chevy, 4.8L, 5.3L, Set of 8, Estimated USA Ship Date:
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. 3.810 bore, 1.326 C.H., 2cc dome, Std. of 129, Pro LS 2618 Forged Pistons. B18C5 Forged Pistons; C30A NSX Pistons; C32B NSX Pistons; Acura Honda. He also runs Mobil 1 synthetic, taking advantage of its superior thermal stability. 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. ( 1 ), Estimated USA Ship Date:
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. Piston Rings. There were also plans to introduce variable valve timing on the intake side, making it GMs first fully variable-timed engine. The Vortec 4200 was a huge leap forward for GM powertrains. Exclusive V-rib adds strength without adding weight but allows maximum cooling. 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). 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. 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.
For Chevy 350 c.i. The 4200 also relies on an electronic throttle that Wieser has retained on his turbo version. The I6 version was used in a Baja 1000 racing truck, winning its first race in a class that also included V8 engines. Dish Pistons with 4 valve relief. Apr 25, 2023, Pro LS 2618 Forged Pistons. Posts: 24 . It was the cancellation of the GMT360 platform in 2009 that spelled the end for the Vortec 4200.
Estimated International Ship Date:
Keeping things quiet was GMs innovate valve cover. Pro LS 2618 Forged Pistons.
Ring carrier pistons with cooling channel These pistons are used in conditions with particularly high operating temperatures.
Machined from high-strength 2618 alloy, these 18cc spherical-dome pistons are offered for both single and dual overhead cam applications. Wieser says he did all the work in his two-car garage, with the exception of the fabbed Hogan sheetmetal intake and the upholstery. Saturday 3/4/2023, Pistons, Flat Top, Competition Series, Forged Aluminum, 4.070 in. 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.
On this Wikipedia the language links are at the top of the page across from the article title. Tuesday 3/7/2023
During development, Tom Sutter reverted to his time developing the Oldsmobile Quad Four, GMs first four-valve per cylinder engine. Estimated International Ship Date:
The Vortec 4200 was controlled by a drive-by-wire system, another first in a GM truck application.
Vortec 4200 build on Hot Rod Garage. | MotorTrend. This listing is for (8) Standard bore 4.00" hyper Pistons and matching Moly Ring Set compatible replacements for Chevrolet 350 Vortec 5.7 1996-2002. 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. 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. 3.810 bore, 1.326 C.H., 2cc dome, Std. Both cams were operated via a timing chain with a hydraulically operated tensioner. Formerly KB Forged Pistons. Apr 10, 2023, Pro LS 2618 Forged Pistons. 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. Torque was rated at 275 pound-feet at 3,600 rpm, but 90 percent of peak torque was available between 1,600 and 5,600 rpm.
The Vortec 2800 was the standard engine for the Colorado, Canyon, and Isuzu i-280. ECOFORM pistons with pivoting side cores Weight optimized pistons for passenger car gasoline engines. Mar 13, 2023
Print Share. Saturday 3/4/2023, Pistons, Dish, Competition Series, Forged Aluminum, 4.030 in. 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. 3.780 bore, 1.326 C.H., 7cc dish, Std. 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. The 4.2-liter called the GMT360 platform home. He could even be found working on tractors or hay bailers while on vacation at his uncles farm. A similar design was sketched for the Atlas and eventually became an integral part of the project.
Please try again. Engine oil flowed into the phaser and operated a helical spline and piston. The system used an electronic throttle with no mechanical linkage between the gas pedal and the throttle body. When introduced, this engine's power was 270hp (201kW) at 6,000 rpm and torque was 275lbft (373Nm) at 3,600 rpm. 3.780 bore, 1.326 C.H., 2cc dome, Std. The piston pins are selected for the appropriate fit and they can be exchanged within the same piston type. 3.785 bore, 1.326 C.H., 2cc dome, Std. 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. Bore, Forged, Dome, Please Verify Piston Pin Diameter Before Ordering, Chevrolet, LS, Kit Part Number: WIS-PTS523A3 4.75 out of 5 stars ( 4 )
This early adopter only had VVT on the exhaust side, however, but allowed for 25 degrees of exhaust cam phasing. 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. Mar 29, 2023
We reached out to GM and found Tom Sutter, the Assistant Chief Engineer for the Atlas.
Jan 29, 2018 214 Yakima, Washington. Saturday 3/4/2023, Pro LS 2618 Forged Pistons. G. One reason this installation looks so clean is because the majority of fabrication work is hidden underneath the engine.
Thank you! This included the Chevrolet Trailblazer, GMC Envoy, Buick Rainier, Oldsmobile Bravada, Isuzu Ascender, and Saab 9-7X. You've disabled cookies in your web browser. We considered variable valve timing on the intake side, for sure, Sutter said. Apr 10, 2023
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. 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. Large, 70 mm-diameter main bearings were also used to minimize crankshaft movements. Apr 6, 2023
The story of GMs high-tech straight-six and why it died. Introduced two years after the Vortec 4200, the Vortec 3500 used nearly all the same parts and construction practices as its six-cylinder brother. 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. But despite this, the innovative inline-six didnt enjoy a long life. 3.780 bore, 1.326 C.H., 2cc dome, Std. Results 1 - 25
Monday 3/6/2023
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With pin boss bushes made from a special material, the load-bearing capacity of the pin boss is increased. Due to the manufacturing process, they are stronger and therefore allow reduced wall cross-sections and lower piston weight. 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. 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 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. Herzog Motorsports also ran another Vortec Trailblazer in the Best In The Desert Nevada 2000. Bore (mm) Stroke Actual Engine Displacement Rod Length Piston Style Piston Material Compression Height (in.) TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada. They have cast-in steel strips but are not slotted.
A bearing beam, or ladder, connected the seven main bearing caps longitudinally, further stiffening the block. Starting with 2618 alloy heat treated to high strength T-6 specifications, these give you the best value for your money.
GM even used its relatively new manufacturing method for the Atlas engine block and cylinder head.
In many instances, MAHLE is asked to supply the pistons for an OE manufacturer's high output, premium engines.
Atlas is a name for a family of modern inline piston engines for trucks from General Motors, used in the GMT355 and GMT360 platforms.
GM says the result was a smooth idle, a 25-percent reduction in hydrocarbon, and a 40-percent reduction in NOx gasses.
The engine redline is 6,300 rpm. And thanks to the number of valves, their sizes were kept small to help with cooling.
Call 800.979.0122, 7am-10pm, everyday. 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. The bearing beam sat sandwiched between the main caps and main cap bolts.
[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.
vortec 4200 forged pistons. The episode is #40, with an air date of 5/1/2020. GM says this helped eliminate play in the belt-drive system since each component was perfectly positioned in relation to the block.