Tuning tips for the gm ecotec engine july 5, 2009 by christopher nagy in the last half century, the performance pride of general motors rested in chevrolets small block v8 as street, hot rod, and racing communities enamored themselves to the. The le5 was the midlevel engine to the cobalt, found in the sport and naturallyaspirated version of the ss, along with the. A closer look at tuner options from chevrolet performance. Detailed insturctions on engine removalreinstallation. Gm sport compact performance build book 3rd edition. The name was already used for the opel gm family ii engine, family 1 and family 0 ranges. The gm performance ecotec build book is absolutely worth picking up though. Select your preferred location and well note which parts. Gm has other engine parts for ecotec engines but they arent the only ones who have engine parts for the ecotec. Hi, i have recently purchased a standalone wiring harness and e37 pcm from steve humphrey of costa mesa, ca. Gm sport compact performance build book, third edition gm pn.
Solo street race exhaust, catless, le5 throttle body, zfr 6758, custom cai 307whp on dyno dynamics stock turbo 21 psi 463whp454wtq efr 6758 2627 psi,100 octane tuned by me 2006 sly 2. Get the best deals on complete engines for cobalt when you shop the. Dekerlegand turbo systems llc passionately strives to provide the highest performance, best quality, and most aesthetically pleasing automotive performance products possible. Jun 12, 20 the jbody organization, is the worlds largest automotive enthusiast group exclusively geared towards the general motors gm jcar platform including the chevrolet cavalier, pontiac sunfire, pontiac sunbird, pontiac j 2000, oldsmobile firenza, buick skyhawk and cadillac cimarron.
Its a great engine for many applications and turn key engine supply offers a productiontrim ecotec 2. Full ecotec build guide wpn and links performance forum. If you have some questions about our kits you can find them here. Thank you for visiting the gm kappa performance forum. As far as i am aware the e37 is supposed to be stock with vats and maybe some other non essential stuff removed via hptuners or equivalent software. The deck of the block gets fully machined to give a smooth mating surface for the cylinder head, the. Gm performance parts ecotec high performance piston, ring, and pin set pn. Gm sport compact performance build book 3rd edition i. Alpha motorsports ecotec line of engines include the alpha 2. Comp cams ecotec cams improve horsepower and overall performance for this increasingly popular sport compact application without compromising engine durability.
Intake manifold aluminum repair kit for mercedesbenz engine v6 3. While these engines were based on the gm family ii engine, the architecture was substantially reengineered for the new ecotec application produced since 2000. This is a speed density system so it does not require the use of a mass air flow sensor it does use an o2 sensor. Jul 05, 2009 tuning tips for the gm ecotec engine july 5, 2009 by christopher nagy in the last half century, the performance pride of general motors rested in chevrolets small block v8 as street, hot rod, and racing communities enamored themselves to the incredible flexibility working with the small block design. Comp cams has released a new line of performance camshafts for gm ecotec 2. Jan 15, 2012 what are all the current ecotec le5, 10.
The information in this book is compiled from the experiences of. To build the block, we either start with your stock block, a 2. The ecotec engine has progressed through a few different itterations over the years, varying in displacement and other features. This engine builders handbook with over 100 pages of detailed parts and procedures describes all of the parts needed to transform your stock ecotec engine into a high performance racing engine. The jbody organization, is the worlds largest automotive enthusiast group exclusively geared towards the general motors gm jcar platform including the chevrolet cavalier, pontiac sunfire, pontiac sunbird, pontiac j 2000, oldsmobile firenza, buick skyhawk and. The gm ecotec engine, also known by its codename l850, is a family of allaluminium inlinefour engines, displacing between 1. Gm performance sports engine by christian bollo issuu.
If your dealer is an authorized gm performance parts dealer and still cannot locate a gm performance part listed in this book, please email gm racing through our website the third type of parts listed in this book are. Secrets of sealed ecotec engines with danzio performance. Ecotec performance build book 88958728 crate engine depot. Exhaust header manifold for 20052010 chevy cobalt hhr lon 2. These le5 cams install like stock cams and do not require aftermarket lash adjusters or special timing.
General motors engine guide, specs, info gm authority. Chevy cavalier world chevy cavalier performance engine parts. Chevrolet performance parts, gm crate engines and gm crate motors. Cam drive hardware to accommodate thicker gasket arp cylinder head stud kit intended for early model. The ecotec name was adopted in 1994 for the new generation of family ii engines 2000 in north america. Alpha ecotec engines can be used as rebuilds, replacements, and swap option. The le5 ecotec is drivebywire, so installation of an electronic gas pedal is required, and again, this is identical to the unit used with the ls v8 swaps.
Gm sport compact performance build book motionlabtuning. Pace performance has more information on the supercharger kit. A reputation for performance, durability and adaptability has made the ecotec the smallblock of fourcylinder engines. This engine puts out 230 hp at 6400 rpms and 210 ftlbs of torque. Look for a book called gm sport compact performance build book plenty of information on how to build a eotec performance engine. Many gm brands use this flexible powerplant, including chevrolet, holden, oldsmobile, opel, pontiac, saab and saturn. So you picked up a lsjpowered delta on the cheap and. Why would this be any different than letting the honda in class 10. Any one of the ecotec blocks will work for you, you dont need to find an lap block but you will need the lap head, le5 should be a fairly straightforward swap for an lap though but i cant say for sure. Dts2 was founded in 2003 and is a manufacturer of premium chevy cavalier, sunfire, s10 and ecotec automotive performance parts. The information in this book is compiled from the experiences of gm racing engineers in the sport compact racing series. The le5 was the midlevel engine to the cobalt, found in the sport and naturallyaspirated version of the ss, along with the midrange hhr and used as the base engine in the solsticesky, along with other vehicles.
The most common aftermarket application of the ecotec is an openwheel desert racing class known as class 10, which similarly. This was a customer build that went to california, offers easy no hassle installation kits for the 2. Mounting is straight forward, and because the ecu is easily tuned, any lag or vagueness associated with drive by wire throttles is completely eliminated. Here the owners of these brands can come together on a common ground. All external components listed in the base package below are brand new. Get the best deals on complete engines for cobalt when you shop the largest online selection at. Solo street race exhaust, catless, le5 throttle body, zfr 6758. Your engine and every hp engine kit is different, so we cant tell you an exact hp figure, however we can say that for na engines we usually see an increase of about 40 hp min. The most common aftermarket application of the ecotec is an openwheel desert racing class known as class 10, which similarly equates a to formula 3 road race car. Jan 22, 2014 this was a customer build that went to california, offers easy no hassle installation kits for the 2. Step by step guide to boosting the horsepower and torque in this versatile four cylinder power plant. Cchpeco1 0205 gasket set felpro mls head gasket wiseco forged pistons 86, 86. Special instructions on installing stage 1 and stage 2 upgrade kits.
Ecotec engines, manufactured by general motors, have been used in several cars in the global car manufacturers lineup. The groundwork for its capabilities was laid on the drawing table at the very beginning of the. Ecotec block used in the l61, le5, lnf, and lsj engine variants. Gm intends this new ecotec to become its global 4cylinder, and it has already fully replaced their ohv i4 line the ecotec engine is a dohc 4valve design with a lost foam cast aluminum block and. This forum is the only performance oriented forum for all gm kappa platform enthusiasts. General motors hybrid propulsion systems gm hp5 electric hybrid propulsion system gm 1. Ecotec performance and solstice build books pontiac.
From the chevrolet cobalt and hhr to the saturn ion red line, ecotec engines have been making a splash among performance car enthusiasts since their introduction. Utilizing many authentic gm parts and accessories, this kit is easy to install and has that factory equipment fit and finish. This harness and computer are for a stock or nearly stock 2. This new engine is built on the heritage and excellent reputation of the ecotec 2. Performance black exhaust headers manifold system kit for 0205 chevyoldsmobilepontiac cavalier malibu alero grand am sunfire 2. If you want to advertise on this forum, email kappaperformance at. We use a production replacement eagle crank for improved longevity, although it is possible to retain the production l61 or le5 crank. Ecotec power is an enthusiast organization dedicated to the ecotec engine, and the vehicles they power.
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