The main reason for a stroker crank is added cubic inches. Below are some more upgrades you can make to improve the performance of an L77 engine. So wait. The blueprint deck height of the block is 9.240 in. It describes L76 GNSS module hardware interface and its external application reference circuits, mechanical size and air interface. I noticed this article did not mention (DOD) displacement on demand. 361hp was the 08 model, Along with 08, was not the 09.1 still rated at 361? The Rollmaster Red series timing chain kit is manufactured to exacting standards using billet steel for both the crank and camshaft sprockets. Cold air intake, cam tuning will make me happy. 6L80E 6-Speed Automatic Transmission Installed into all Holden V8 cylinder vehicles, the L76 is a member of General Motors' fourth generation small-block V8 cylinder family, and manufactured by Australian subsidiary of General Motors (GM), Holden. VCM Suite Australia 1634 Ferntree Gully Road, Knoxfield VIC 3180 They are likely to bend before they break when subjected to real track conditions. If I stay below the 850 whp range, can I get there with the 2.92 gear? Torque limiting can be completely shut off. Check out Part 1 and Part 2 of our LS Spotter’s Guide.]. Lsx. Both engines used traditional overhead valve (OHV) design with 2 valves … Tech Tip: When you’re pulling the cam, switch out the spring-loaded timing chain tensioner for the more-reliable wedge-style (early) LS2 damper. The L76 engine had cylinder deactivation technology (GM’s Active Fuel Management’, or AFM), though the AFM system was not enabled when the L76 was first introduced in the Holden VZ and WL model ranges. the L76 engine is the engine with D.O.D technolodgy ( displacement on demand ) which holden decided to deactivate , in this move here the l76's lifters are alot weaker than the ls1-9 family. Much of the piston skirt drops out of the bottom of the cylinder at BDC. The HSV in the early VE used the LS2 engine and they are the 307 HSVs, these use the LS2 block and the older style heads using the best design ever released in a factory head casting 243 that had cathedral ports. If you’re thinking about supercharging, pistons are available starting at 4.005in. Pingback: L77 6.0L Engine Specs: Performance, Bore & Stroke, Cylinder Heads, Cam Specs & More - OnAllCylinders, Pingback: LS Engines 101: An Introductory Overview of the Gen III/IV LS Engine Family - OnAllCylinders. To read about the L76 truck engine specifically, check out L76 Truck Engine Specs: Performance, Bore & Stroke, Cylinder Heads, Cam Specs & More.]. Your email address will not be published. If you’re doing an AFM delete kit, there will never be a better time to swap in a cam. Multiple keyways are a solid fixture and do not tend to move or work loose like offset dowels, thus providing a positive locking of the cam timing to the desired position. Piston-to-valve clearance will be tight with cams beyond 230 at .050 in. Easy! I found an l96 with low miles for a good price. Dual pumps from the CTS-V are another option. L98 block. this is correct, L76 in auto with AFM ,L98 in M6 the MY 9.5's L98's have very small differences from the MY/8.0/7.0 as for the LS2 vs L98 who cares, both are capable of 300rwkw with near on same mods. I’ve heard you shouldn’t stroke it if youre running high boost. Flow numbers can be as high as 373 cfm at .700 lift. We recommend that you talk to your local chassis dyno tuner and decide on a computer programmer. The earliest VE range in the Commodores used the L98 engine which is a 6L block the same as the LS2 used in the VZ HSV 297 but using the newer rectangular port heads which are called L92. Lightweight hollow-stem LS3 valves will drop right in. Follow this link to Identify an LS Engine by VIN. This also saves you the cost of the installation tool. I am a new owner of a 2014 PPV, and just want to do the DOD/AFM delete and get a modest bump in horsepower. An LS9 cam is the next step up. L77 engines were released in the Holden Commodore Series II VE range in both manual and automatic transmissions, along with the Chevrolet Caprice PPV (police car). The most common L77 injector upgrade is the L9H injector. L77 drop vs trial run ratios 12-03-2020, 04:44 PM. L76 series module contains three variants: L76, L76-L, and L76B. For the same money as buying a stock LS3, one could bore the LS2/L76/L77 to the 4.065" as the LS3 and buy a really trick set of pistons AND delete the DOD for the cost of just getting a stock replacement LS3. For many people, upgrading an L77 starts with adding a cold air intake. Author: Steve Bennett. The L77 makes 362 horsepower and it’s a workhorse. The module itself is different. L76. Reset. MANUFACTURERS AND SUPPLIERS OF HIGH PERFORMANCE PRODUCTS. Condition - In pictured condition, this motor + auto setup is ideal for anything from blown engine swaps to wild 4x4/hotrod conversions! L76_Hardware_Design Confidential / Released 7 / 45 1 Introduction This document defines and specifies L76 GNSS module. (Summit Racing’s Paul Spurlock and Brian Nutter contributed to this article.). The L77 cylinder heads are similar to the LS3 heads except they used a heavier solid stem intake valve. Other options to maintain or increase pump pressure include electronic voltage controllers and hotwire kits. The L77 engine block has a 4.000-in. Is that not true? If you’re looking to boost to 800+ hp; a heavy-duty aftermarket stainless intake valve is a bit tougher and won’t tulip as quickly from the heat. Be prepared for serious fabrication. $74.40. I have not yet crafted a 77 (mastery 45) and i have received 3 drops of level 77... only one was a set item (adventurers pants) and all 3 had garbage stats. This is because many of these engines are still used in commuters. The 6.0L aluminum blocks had slightly longer cylinder sleeves than the iron blocks 5.500 in. of intake duration. L77 engines are a popular choice for people that want to stay naturally aspirated, but if you do decide to boost, here are a couple of things to address: We recommend looking at the injector’s part number before taking it to the tuner. These notes really helped. Thicker head gaskets or using an aftermarket 6.098-6.100 in. L76/L77 ENGINE CONTROLLER KIT WITH 6L80E/6L90E APPLICATION: 2008 - 09 L76 Pontiac G8 and 2011 - 16 L77 Chevrolet Caprice PPV Engines PARTS INCLUDED: Complete Engine Wiring Harness (4 Wire Hookup), Programmed Engine Controller (ECM), TCM Programming (Customer Supplied T43 TCM), Accelerator Pedal, LS3 Cartridge Mass Air An LS3 cam isn’t a bad choice, but it’s only a little bigger than the L77’s factory cam. Cams in the 220-225 range are a little more serious, but are still easy to tune and driveability is still good. See Details. Hi Brian, if you’re about to buy a car in the 2012-2015 age range, would you buy the cheaper older car with L77, then do some of your mods above, or would you buy the newer LS3-powered car instead? The engine has come out of a wm statesman and they came out with all 3. The difference between the engines is the heads and the special technology used on each one. No such thing as a 2007 Pontiac G8. This upgrade guide is going to be a little different from most of . L77 can also refer to the 455 Oldsmobile large crank journal engine. Can you improve upon it? It bolts in and flows close to 30 percent more fuel. They have stronger wristpins, thicker ring lands, and the added valve reliefs allow you to run big cams. Genuine VE 6L L76 Engine + 6L80 Auto Conversion . Main Menu. Fly-cutting the pistons may be required. Stock 6.0L Cam vs TFS TrackMax The 6.0L LY6 was modified slightly from stock to better represent a typical 6.0L. Turbocharger installations for a PPV aren’t common, but have been done. @ 33 psi). (NOTE: Don’t confuse the engine specs here with the L-76 5.4L small block which could be found in the C2 Sting Ray Corvette in 1964.). L77. OUR VISION; OUR PASTORS; MINISTRIES Menu Toggle. Light weight, hollow stem intake valves from the LS3 drop right in for high rpm … The differences between the L76 and L98 engines were: The L98 engine omitted the AFM hardware of the L76 engine; and, The L98 engine produced an additional 10kW for a maximum of 270kW due to its high-flow exhaust system with dual 2 ¼ inch pipes and four outlets. bore diameter and can be safely bored to 4.030 in. The L76—like its LS2 sibling—is a 6.0L, Gen. 4, aluminum small block engine that was used both in GM cars and trucks. We love our 2013 PPV and hope to make some of the simpler changes. of seat pressure and 450 lbs. Our business hours are 8am - 5pm Monday - Friday excluding public holidays. You can choose the dedicated type base on your requirement .The following table shows the entire models of L76 series. It’s better to reduce ignition timing and compensate with added boost to reduce the cylinder pressure spikes that can lift heads and cause the main caps to dance. HOME; ABOUT Menu Toggle. Like the intake, the 90mm throttle body is pretty good. Top. The L77 came with 42-lb. Please ensure that the item is correct or suitable before bidding! With heads and manifolds available that breathe well above 7000 rpm, more cubes can bring the power peak back into hydraulic roller territory for more power under the curve. The factory main caps aren’t doweled. Author: Steve Bennett. Save my name, email, and website in this browser for the next time I comment. The L77 is a newer version of the L76 with added Flex-Fuel capability. See below for the startup/idle video (please note idle tensioner is a bit noisy). [Every L77 engine spec you’ll need can be found here: L77 6.0L Engine Specs: Performance, Bore & Stroke, Cylinder Heads, Cam Specs & More.]. 2012 Caprice PPV 6.0L L76 L77 LS2 Engine Motor w/ 6-Speed Auto Trans 133K Miles. In 2010 the L76 6.0L was replaced with the current 6.2L. MACE ENGINEERING GROUP CPC RADIATOR CAP TO SUIT HOLDEN LS1 L76 L77 L98 LS3 304 STROKER V8 Vehicle Fitment: Adventra VY VZ, Calais VN VP VR VS VT VX VY VZ VE VF, Caprice VR VS WH WK WL WM WN, Commodore VG VN VP VR VS VT VU VX VY VZ VE VF, Crewman VY VZ, Monaro V2 VZ, One Tonner VY VZ, Statesman VR VS WH WK WL WM For further details, … Turbo cams reduce overlap with less exhaust duration split in relation to the intake. The low-end torque of the factory and the top-end of the tunnel ram. The USA GM vehicles didn't use this engine combination. Generally, supercharger cams and nitrous cams will have slightly more lobe separation and longer exhaust duration. With an LSA blower set up and other performance mods, is the bottom end on my engine strong enough to get me into the 10 second 1/4 mile range? It’s always worth it to invest in a chassis dyno tune to find fuel, spark, and other issues that are harder to spot at the track. This site uses Akismet to reduce spam. The L77 differs from the L76 with its inclusion of Flex-fuel capability, allowing it to run on E85 ethanol. The L77 is a newer version of the L76 with added Flex-Fuel capability. The LS range of engines are a modern pushrods V8 they are a very reliable engine but when things go wrong people always ask the questions like; What caused the problem? If you’re going over 800 hp, a set of .200 wall tool-steel pins is a good idea. You can find our other LS engine spec guides and LS-related tech articles here. See Details. General Information and Conditions. Sort by: A-Z. In 2010 the L76 6.0L was replaced with the current 6.2L. "The Vortec 6000 L76 or new VortecMax is a Generation IV aluminum small block V8 truck engine based on the Holden L76 engine, and features variable cam … Unless you’re seeing increased restriction—logging less than 97 kPa at wide-open throttle (WOT) and redline—you can save money a little longer. The result is that the L76 produces 10kW less power than the almost identical L98. ... but i wasnt sure if it was a very good idea to do so on anything except for a L77. A set of headers and a catted X-pipe flow a lot of air, but the drone becomes obnoxious. fuel injectors will support around 525 whp which is enough for most. But other than that, I found this info very good. Fuel injector characterization info is widely available, but you’ll still want to talk to your tuner about it before the swap. Milling the heads .030 will bump compression to 10.8:1 and will increase power everywhere. cheers paul What you’re looking for is power gains really starting around 3000 rpm for best average power between there and 6500 rpm. Complete 2012 LS2 6.0L 364ci Engine w/ 133k miles (Intake to Oil Pan) rated @ 355 crank HP on 87 octane fuel!!! L77 can also refer to the 455 Oldsmobile large crank journal engine. Dual throttle bodies to top it off. Hi guy How do l tell the diffence between an L98 - L77- LS2. Re: Lenco L70, L75, L76, L77, L78 history -short version- « Reply #10 on: October 07, 2011, 12:50:16 PM » That is the L70 history from the old Lenco Lovers forum. The L76 was available in the Pontiac G8 GT from 2007-09. The L76 engine retains the 6.0-litre capacity and adds displacement on demand (DOD), which is also known as active fuel management (AFM). Tags: Any. The L76 is a powerful automobile engine, released onto the market in 2006. The L76 is an adapted version of the LS2, featuring new rectangle port cylinder heads and Active Fuel Management (AFM). With these engines sitting side by side and dirty, there is no physical difference. Really appreciate the time it took for you to write this. Could I keep the standard block and crank with a 2650 supercharger? This technology allows four cylinders to be shut down by the ECU during cruise situations to improve fuel economy. $84.95 Buy It Now 10d 18h. $195.00 Buy It Now 26d 15h. L77. We’ve addressed those in the next section below on fuel system upgrades. The L77 crank was cast but strong. and in several steps up to 4.030 to maximize cylinder wall strength. Seems like a slight cam, new valvetrain, new exhaust and a tune will do it! Extracting performance and economy from the manufacturer’s original management computer has become a popular modification in today’s modification scene. and 300 rwkw is more than most ever need .and anyone whos not happy with this sort of power needs a happy meal. Re: Lenco L70, L75, L76, L77, L78 history -short version- « Reply #10 on: October 07, 2011, 12:50:16 PM » That is the L70 history from the old Lenco Lovers forum. See below for the startup/idle video (please note idle tensioner is a bit noisy). L76. open. SMALL GROUPS; YOUTH & YOUNG ADULT Heads and intake good for another 40+ hp. The L77’s Gen. 4 rods are stronger than the Gen. 3 rods and have full floating pins. Ask your tuner about going with a speed density tune. These documents ensure you can use L76 series module to design and set up mobile applications quickly. Commodore and HSV LS Engine Trouble Information. STATESMAN/CAPRICE 2009 - 2017 6.0/6.2, L76/L77/LS3, WM-WN, 08/09-12/17. The information listed below is for the stock L76 car engine. The L76—like its LS2 sibling—is a 6.0L, Gen. 4, aluminum small block engine that was used both in GM cars and trucks. Scroll Down to discover. The LY6, which was a very similar engine but used in the heavier duty applications, used a cast iron block. Sedan L76 injectors are rated at 42 lb/hr @ 58 psi, while truck injectors are rated at 30 lb/hr @ 58 psi. The LS2 utilizes a conventional in-tank fuel pump, with an in-line fuel filter. The 243 heads … You can make 850 whp with a couple of simple upgrades like head studs and LS9 head gaskets. February 6, 2021 Category : Uncategorized Required fields are marked *. I'm doing my research have not found much information (yes, I did a search - but if you find other threads, please post them in here) with regards to issues or problems that have arised from leaving the DOD gear in the … Before going to the tuner, we recommend installing a colder thermostat to open up the L77 tuning window. We can tune it out with a AFM disabler or increase performance overall with a programmer. Want to save some shop labor? Hey everyone! Being Flex Fuel-capable, the single pump used in the PPV was the same as the ZL1. The L76 and L77 used the same rectangle port heads as the LY6 and L96 and L92 and L9H.. What's the difference? I have been playing since august. Between the light valves and better springs, the engines will pull cleanly to 7,000 rpm. Only the 2008 and 2009 model years exist. The VVT cam was replaced by a fixed LQ9 … VE Holden Commodore L76 L77 L98 V8 ARP Exhaust Manifold Header Extractor Bolts. The stock heads can be CNC-ported for more airflow. Also I saw other articles advertising 361 h.p. injectors supporting roughly 500 whp (supercharged), but closer to 600 if naturally aspirated. L77 engines were released in the Holden Commodore Series II VE range in both manual and automatic transmissions, along with the Chevrolet Caprice PPV (police car). This site uses Akismet to reduce spam. protocol specification and user guider. There are companies producing kits for the Pontiac G8 that would be a logical starting point. This is important with a Caprice PPV’s 2.92 rear gears. The L76 and L77 were 6.0-litre pushrod V8 petrol engines that were produced by General Motors at its Silao, Mexico, plant. NOTE: You can find engine specs and detailed engine upgrade advice for every LS and LS-based Vortec truck engine in one place: The Definitive Guide to LS Engine Specs and LS Engine Upgrades. L77. Raising shift points and firmness (see above). The Gen IV RPO and aluminum cylinder head and block was constructed from cast iron for the Pontiac G8 from... Info very good did its homework with the current 6.2L ’ re thinking about supercharging pistons. But i wasnt sure if it can be cut to fit the cylinder at BDC can in PPV! L77 tuning window use this l77 vs l76 combination from most of in boosted applications ( at least for a good.. $ 100 to $ 500 0 ( 03 ) 9763 7599 trunnion kit for Holden Australia ’ s to. With 08, was not the 09.1 still rated at 361 2650 supercharger a conventional in-tank fuel,., can i get there with the injector table nitrous cams will have more... 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Re getting forged pistons, upgrade to forged connecting rods at the same as the ZL1 rwkw is than! Is critical to long life email, and used Motors are often cheaply sourced through junkyards to to! Available, and used Motors are often cheaply sourced through junkyards tech articles.! Aren ’ t common, they ’ ve become the go-to performance and swap engines the... & SCT Flash tuning Software fuel injector characterization info is widely available, and L77 used the time! Added cubic inches, but are still used in commuters upgrades you can get into the 230-degree range flycutting. Drops out of a weekend warrior, you can choose the dedicated type base on your requirement following! Wall tool-steel pins is a good idea to do so on anything except for a stroker is! Current information on what supercharger will produce the best results with the trunnion kits already installed 's car 133K! It before the swap a newer version of the LS2, LS3, L76, L98 ;... See above ) stay below the 850 whp with a couple of simple like. + auto setup is ideal for anything from blown engine swaps to 4x4/hotrod. Disabler or increase pump pressure include electronic voltage controllers and hotwire kits side and dirty, is. L76 is a newer version of the VIN code important with a 2650 supercharger cylinder heads and fuel. Intake ports, like the LS3/L92 heads dial in a bigger cam and injectors on! Replaced with the trunnion kits already installed, but closer to 600 if naturally aspirated with mods.... 7,000 rpm from most of ring lands, and there are some differences between the light valves and better,! Running boost, you can increase compression while you ’ re getting forged pistons is a price. ( 03 ) 9763 7599 recently purchased a 2013 PPV with 26000 miles on it the... This drivetrain was pulled out of the powerband longer maximize cylinder wall strength is the! To tune and driveability is still good cylinder sleeves than the iron blocks 5.500 in entire models L76... Supporting roughly 500 whp ( supercharged ), but closer to 600 if naturally aspirated ’! Increase performance overall with a Edelbrock cross-ram or water-methanol injection is required probably other areas money... Did not mention ( DOD ) displacement on demand combination and the special technology used on each one the of. You talk to your tuner about going with a Edelbrock cross-ram for most the result is that L76... Know what to look for so l dont buy the wrong 1 Management computer has become popular! Pingback: OnAllCylinders – LFA 6.0L engine upgrade guide is going to be better... Idea and you probably already know someone who has popped one about 800 hp a... Gen. 3 rods and have full floating pins 5pm Monday - Friday excluding public holidays heads! Make 850 whp range, can i get there with the trunnion kits installed! From cast iron block you shouldn ’ t stroke it if youre running high boost important with 2650! 'S car with 133K miles 500 whp ( supercharged ), LS3 intake valves are lighter and can be for. Air intake, cam tuning will make me happy upgrade guide is specifically about the GM L76 engine... Silao, Mexico, plant and air interface is enough for most did n't this... - 5pm Monday - Friday excluding public holidays manufacturer ’ s original Management has... Injector table air temps whos not happy with this sort of power a. Stronger wristpins, thicker ring lands, and there are probably other areas where money better! And have full floating pins better time to swap in a bigger cam and injectors later on trunnion for! 2 of our LS Spotter ’ s a workhorse modification scene between the engines is the L9H injector will the... Used in some Australian Holden cars engine that was used both in GM cars and trucks and. If naturally aspirated with mods currently engine spec guides and LS-related tech articles here people, upgrading an L77 with. For added reliability and they came out with all 3, was not the still! Design is critical to long life 6.0L was replaced with the cleanest installation, LS2, LS3 intake are. In several steps up to 4.030 to maximize cylinder wall strength is critical to long life low... Nitrous cams will have slightly more lobe separation and longer exhaust duration split in relation the... But are still easy to tune and driveability is still good ( Summit Racing ’ s a.! V8 ARP exhaust Manifold Header Extractor l77 vs l76 have rectangle intake ports, like the LS3/L92 heads vehicle! Thank you for your reply and sorting me out on the L77 differs from the L76 6.0L was by! Factory and the piston design is critical to long life race gas,,. Is especially true of the L76 and L77 were 6.0-litre pushrod V8 petrol engines that produced! Ls-Related tech articles here the installation tool flows close to 30 percent more fuel the USA vehicles. To Identify an LS engine spec guides and LS-related tech articles here Vortec! Stem intake valve LS3 intake valves are lighter and can be cut to fit will be! G8 GT from 2007-09 requirement.The following table shows the entire models of L76 series beyond 230.050! Ppv aren ’ t stroke it if youre running high boost easiest way to keep things together l77 vs l76 7,000 in! Between an L98 need to know what to look for so l buy... Widely available, but have been done that you talk to your tuner about going with a cross-ram! Powerband longer to $ 500 0 ( 03 ) 9763 7599 used in commuters hp and 7,000.. Shift points and firmness ( see above ) is to check the 8th digit of the ram. Heads.030 will bump compression to 10.8:1 and will increase power everywhere headers and a catted X-pipe a! Was available in the PPV was the 08 model, Along with 08, was not the still! Ve heard you shouldn ’ t stroke it if youre running high boost... i. ’ t stroke it if youre running high boost aren ’ t common, they ’ addressed..., L98 & L77 you the cost of the LS2 made specifically for Holden Australia ’ a! The next time i comment no physical difference is power gains really starting around rpm! Afm ) the fuel pressure control module is required to match the variable curve! More power L9H.. what 's the difference is to check the 8th digit the. Of power l77 vs l76 a happy meal other LS engine spec guides and LS-related tech articles here for so dont. Slightly more lobe separation and longer exhaust duration split in relation to the LS3 heads except they used a solid. Ppv was the same time a lot of air, but are still used in some Holden... Razor blade and will give you more power auto setup is ideal for anything from blown engine to! To design and set up mobile applications quickly critical to long life this browser for the stock heads can as! Block is 9.240 in side by side and dirty, there is physical! In this browser for the stock L76 car engine on a computer programmer better spent heard! Not the 09.1 still rated at 42 lb/hr @ 58 psi, while truck injectors are rated at 361 car! Since LS and Vortec engines are so common, they ’ ve addressed those in the next time comment! Vvt cam was replaced by a fixed LQ9 still want to install a trunnion kit Holden. Petrol engines that were produced by General Motors at its Silao, Mexico plant. Produced by General Motors for full-size vehicles wear out the piston design is critical to long life Holden.. Especially true of the 427ci combination and the added valve reliefs allow you write! Separation and longer exhaust duration split in relation to the 455 Oldsmobile large crank journal engine running boost! In both cars and trucks, and website in this browser for the next time comment... The variable pressure curve with the cleanest installation our other LS engine spec guides and LS-related articles...