Ls3 engine high mileage. High PSI and a bad tank of gas, it is a ticking timebomb.

Ls3 engine high mileage 2 L Engine package 525 BHP / 465 lbs-ft of torque See chassis dyno sheet MT highway mileage not adversely affected - Ported & polished LS3 throttle body - Lingenfelter High Flow Air Intake - Lingenfelter C6 Corvette SV2, Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons Just wondering what everyone’s opinion is on what I consider a slightly higher mileage car to be cammed. repairman54. com, the official website for Custom Classic Trucks Magazine! High-Mileage Hybrid OE Wear Protection: 5 out of 5 Check marks: 3 out of 5 Check marks: 3 out 2013 Chevrolet CAMARO 6. Average overall most likely close to what you're getting depending on how much of the 4000 was freeway and how much was city and spirited driving. Relocation of camshaft position sensors and knock sensors made space for other new C6 Corvette General Discussion - High Mileage Grand Sport - I'm going to look at a 2012 GS with 90k on it this weekend. To Building on a high mileage ls3. But the gap in prices weren’t as drastic when I bought. here is a stock,high mileage 5. LS376/525 6. Chevy LS3 Engine Camshaft Comparison - GM High-Tech Performance Magazine there's an article with various cam swaps on a stock LS3. With a stock horsepower rating of around 430 hp, the LS3 engine is capable of providing plenty of power for a wide range of applications, from street cars to track cars. Upon the LS2’s Last week we brought you the details on a high mileage 6. Mileage: 79000 2010 2SS/RS LS3 M6 2nd owner, no work needed to my I've got that exact engine in my '68 with a T56 and 3. Send to a Friend. Get notified of new replies. 5 at WOT above 5K rpm, i'm getting a random misfire I have changed plugs and wires. 3-liter engine. Location: Tennessee. Email. My first Corvette (1988) was a POS 1975 auto coupe, learned a lot about Corvette ownership (rust) with that car. Mobil 1 5w-30 is one of the best oils on the shelf, anyway. “So you will have to eyeball the manifolds and the engine compartment to determine where you want to make these cuts. Submit. On a long trip this past summer, making NO effort to save gas (in fact enjoying the power of the car passing traffic every chance we got) I averaged about 22. 2L LS3 engine delivers 430 horsepower just like it's found in a C6 Corvette with a refinement that is rare in the world of high performance. Find a 6. SLICK 50® Recharged High Mileage Engine Treatment was developed for vehicles that suffer from lost performance due to friction & wear, oil consumption & leaks, smoking, and sludge build-up. 1967 Nova---LS3/4L70e 1970 c10—LSx/4L60e. 07s (factory perf axle) and I swapped a 4l80e into it with a 9" 3200 RPM stall with lockup. It is formulated to restore the performance of your high mileage vehic The LS3 engine is commonly found in high-performance vehicles such as the Chevrolet Corvette and Camaro, as well as the Chevrolet SS sedan. $10,244. Other than that, low oil levels can starve lifters on any motor, wrong viscosity oil can also prematurely affect lifters. Post your highest mileage cammed numbers 5th Gen Camaro SS LS LT General Discussions You are browsing camaro5 Camaro5 Chevy Camaro Forum But I started with a refreshed LS3 with a cleanup hone, new rings, and all new bearings. 7 can make 525-550 on the flywheel relatively easily. Common high-mileage C6 Corvette problems: While harmonic balancer problems can strike almost any C6 Corvette, timing chain tensioner issues are limited to LS3 cars while Z06s’ rod bearings and valve guides can fail; The C6’s alternator and airbag light problems are easily rectified, but late-model fuel pump/sending unit flaws are trickier I have a similar combo in my personal 68', but started as a 6. Each of our remanufactured engines are assembled to the strictest standards, OEM specifications, and rigorously tested. 7 LS ENGINE SHORTBLOCK SHORT BLOCK -READ- $1,499. Let's check out 10 Generation IV Internal Engine - High mileage 5. LS3 Engine For Sale in-stock with same-day shipping. Probably could have gotten a lot more, but changed it out for an LS3. Comments. 90. If enough carbon builds up, an idle surge, deceleration surge, tip-in hesitation, reduced engine power mode, and/or DTCs P0068, P0121, P1516, P2101, P2119, and/or P2176 may be experienced on high mileage vehicles. I wanted to get everyone's take on the LS2 vs LS3 engine. 70 gears in back. My friend has a 2007 LS2 coup Automatic. Why not just buy a GM LS3 crate engine? They start at $5k for the LS3 @ 430hp and go up from there. 0-liter engine and 6l90E transmission. factory is in the 25-35 deg range for cruise, what id usually recommend (not sure if works in this situation ) is to use the cluster instant fuel usage calculation with cruise control and drive same road same way ect to get the most repeatable tests and adjust timing, this way using the instant usage u can see the overall torque gain/loss as if timing improves torque it will use -Vararam Ram Air, BBK 95mm TB, BBK Shorty Headers (CARB Legal), JBA High Flow Cats, Flowmaster Outlaw Catback, Dyno/Diablo Tune. Featuring a displacement of 6. Joined Sep 5, 2009 Messages 3,844 Location Motor The M1 High mileage 10w-30 would be a better choice Balanced and blueprinted, this engine offers quality beyond production-line motors, backed by a 2-year, unlimited mileage warranty for true peace of mind. Building on a high mileage ls3. 2L LS3 Engine w/ TR6060 6-Speed Manual Transmission 80K Miles (For: Chevrolet) Additionally, the LS3’s engine block featured a structural oil pan, which further enhanced its overall rigidity. 50. At about any speed his LS2 instant gas mileage readout is about 5 MPG better than mine. 0L crate engine (flat top pistons, floating pins and stronger rods), GM LS3 cylinder heads, custom grind cam from Geoff @ EPS with all supporting valvetrain mods/ upgrades and LS3 intake manifold w/ 92mm TB HIGH MILEAGE OWNERS - Need Input 2016+ Camaro: 6th Gen Camaro general forum. “The aluminum Check out Texas Speed & Performance’s complete line of LS3 turn-key crate engines! We offer 376, 418, and 427 CID LS3 packages with power ranging from 540 HP all the way up to 635 HP. 30k miles on the tick polluter cam. Understanding what makes the LS2 and LS3 unique is crucial whether you're planning an engine swap, upgrading Generation III Internal Engine - Let's talk About Main/Rod Bearings. Atop the LS3’s cylinder heads resided a high-flow intake manifold, which featured fewer points of restriction, and enabled a more direct History of the LS3. 98 Quick View 1999 CHEVY CORVETTE OEM 5. If you are getting ready for a long trip, it’s always good to check over the following items regardless of the vehicle chosen. 8 V6? - I'm looking to buy a Grand Prix GTP for a daily driver. 2013 Chevrolet CAMARO 6. 2 LS engine for sale to boost your vehicle's performance. Step two The LS3's compression ratio is 10. High end stuff - So, I’ve disassembled and/or built approximately 8-10 LS engines of all sizes. Common high-mileage C6 Corvette problems: While harmonic balancer problems can strike almost any C6 Corvette, timing chain tensioner issues are limited to LS3 cars while Z06s’ rod bearings and valve guides can fail; The C6’s alternator and airbag light problems are easily rectified, but late-model fuel pump/sending unit flaws are trickier The factory LS3 exhaust manifolds aren’t bad, per se, but upgrading to a set of long tube headers with high-flow catalytic converters can yield a significant amount of power from a naturally aspirated LS3 engine. With its increased displacement of 376 cubic-inches, the LS3’s cylinder bores measured 4. com General Forums > 2016 -Most recently, a weld on my NPP midpipe broke. No problems with it what?s so ever , can?t complain. The LS3 really acts as a refined and perfected version of the 6. Skip Content. The image on the right shows you what it looks like after a gallon of the purple stuff and lots of elbow grease. 2L LS3 engine for sale from JEGS High Performance today! $5 off $49 / $15 off $249 / $30 off $499 / $65 off $999* - Use they offer better gas mileage and reliability when compared to installed engines. 522-inch lift on the 1. Find out more about it only at www. 7:1 compression ratio. LS376/515 533 and Specials. Depends on whats the matter with the engine thats in it. Great truck and drivetrain! Mileage is half and half between highway and mountain backroads. Many have noted their engines lasting even longer with proper care. The C6 LS3 Small-Block Chevy Engine “The Mighty LS3” I believe that one day, we will look back at the first six years of the C6 and call them “The Golden Years of High-Performance Corvettes. 7:1 compression ratio; Transmission Specs: 4L65-E four-speed automatic; The General Motors LS-based small-block engines are a family of V8 and offshoot V6 engines designed and manufactured by the American automotive company General Motors. 59-inch exhaust valves, enhances the LS3’s High Mileage Twin Turbo 6. Those DoD/AFM lifter fail when they get high miles. Quick View. Another benefit of choosing an Higher volume pumps have found a place in some LS engines, especially high mileage aluminum block engines that suffer from excessive lifter bore clearance. When the LS3 took the reigns from the LS2 as the engine in the base C6 Corvette, it came with a lot of promise. 0. The car drops engine grime and grease through Inside, this LS3 is filled with components designed for high performance and longevity. @ 4,600 rpm; 10. We are running along the flat portion of Highway 8 headed for Tucson AZ. My engine builder/tuner said they won’t do a cam without doing lifters if the car has 100k plus on it. 16-inch intake valves and 0. 2004 A4 Black/Black LS3 418 stroker 563rwhp/508rwtq Forged Callies Crank/Rods, Diamond Pistons, you'll be fine with a high mileage cam swap if you refresh the rest of the valvetrain. Shortcuts are never a good idea with any cam swap and they are even worse with a higher mileage engine. 2 liters, the LS3 engine is capable of producing up to 430 horsepower and 424 lb-ft of torque. Also, most rebuild shops have insane lead times right now. But the mrs?s Don?t know anything about trucks & just sees 190k miles on the odometer. LS engines seem to be pretty bullet proof, which is part of why they're so popular. Works with all oil types, weights, and viscosity. High mileage LS3 (or any engine) can develop lifter and valve problems, sooner if you have an agressive cam mod. I purchased a used 07 GMC Yukon Denali w/6. never ending power . Connect and Cruise Kits. It is more complex than previous engines Thinking about 5. 8 bar hot. A turbo 5. Introduced in 1997, the family is a continuation of the earlier first- and second-generation Chevrolet small-block engine, of which over 100 million have been produced altogether [5] and is also considered Used, high-mileage LS-based engines are seeing large amounts of boost with very minor modifications and usually survive quite a while. I know the LS3 itself is good for many more miles but is there anything specific you would suggest i check out when looking it over? Looking at a dealership 5 hours from me so i want to go in A BAD tune can destroy an LS3 instantly or at least drop engine life significantly depending on how bad the tune is. In this installment we walk through the steps to create two turbo manifolds. 3 only thing changed are valvesprings and he added a single turbo. Then I went to the tuner and laid down The iron block LS motors found in the trucks have proven reliable even over 400,000 miles (just check PerformanceTrucks. I set the computer to zero and right now my average mpg LS3 Engine Overview. 0 is Say a brand new LS3 6. net for proof), which set me on a search for high mileage LS motors here on Tech. The Network. GM originally produced these engines with slightly wider lifter When you're diving into the world of GM's LS engines, it's easy to get tangled up in the alphabet soup of model numbers. So, if you're looking for a high-performance engine, JEGS has you covered. (Actually C6 Corvette General Discussion - Gas Mileage LS3 vs LS2 - I have a 2010 GS coup Automatic. Join Date: Jul 2016. The LS3 engine is rated and advertised With the variety and interchangeability of LS parts, almost no two LS "crate" engines will end up alike and makes them virtually indistinguishable from scratch-built engines. LS3 gives an average mileage of 26-30 MPG. ” Craig also says you need to Seems any young kid looking to buy a C6 on a budget (assuming he could afford the insurance) a high mileage LS2 or LS3 might be the ticket car for him to woo the girls. LS2 vs LS3 Engine Overview. High PSI and a bad tank of gas, it is a ticking timebomb. -ft. 2 Liter Engine LS3 Small Block V8 2014-2016. 0L V8 that preceded it. A high-lift, hydraulic roller camshaft with 0. Most of them are too much for the original argument- as they fall in the 525-550hp range but it shows what can be done for about half of the cost of the 383. 638, (224/237, 112 +4, 7º overlap) on CamMotion 8620 core, BTR Platinum . I just switched to e85, but before the switch (91 pump gas) the car would get about 22mpg if you drove it at 70mph on the highway with the converter locked up. 2L (376 cu in) 430 hp @ 5,900 rpm; 425 lb. 2L V8 crate engine is the standard engine for the fifth-generation Camaro SS and C6 Corvette. Generation IV Internal Engine - High mileage 5. 9 bar cold, about 2. Almost immediately following the LS2’s introduction as the Corvette’s base engine in 2005, GM’s engineering department jumped headlong into the design of its ultimate successor. Lastly, they come with everything needed to complete the . lisa Each E-ROD LS3 crate engine is hand-assembled by trained technicians and comes with a factory warranty. Curse you high society torque converter folk! There are a few drawbacks to an LS3 engine, including: High cost of parts and labor: The main drawback to an LS3 engine is its higher cost compared to older generations of the small block V8. Can get high 20's if on long trips and keeping speeds lower. Top. It is part of the GM Generation IV Small Block family of engines, known for their power and reliability. Built for Power, Designed for Ease of Use With high-flow custom aluminum cylinder heads, 6-bolt mains for exceptional strength, and the unmistakable sound of horsepower, this LS3 crate motor brings modern I like the 525s but they are not going to get the same mileage as a 430 or 480. MPG tends to go down as bore increases and the 5. From high-tech LS3 Chevy LS Engines For Sale that give you an edge, to time-tested & proven parts that keep you in the chase, Speedway Motors is what moves you. it can deliver decent gas mileage. So, in our opinion, Key Advantages of the LS3 Engine for Swaps: High Horsepower: With 430 hp available immediately, the LS3 provides a thrilling performance boost. Give us a call today to get a quote on your turn-key crate engine! Sort By: Page Size: TSP 376 CID 590 HP LS3 Turn-Key Package. We'll break down the key differences that set these powerhouses apart. They like the low load cruise timing high, just like old school stuff. Though not significantly different from its predecessor, the Gen III platform, it underwent notable improvisations. 3 top end freshen up - hey guys , I?m new to ls1tech & even LS motors themselves. 2L 430HP Crate Engine Common Pros and Cons? The list of ls3 chevy 6. Reply. General Maintenance & Repairs - Reliability of High Mileage 3. But I have a bagged 00 silverado 5. One of the most common LS3 piston options for high-horsepower applications is the JE piston set. Somewhere around 55/60k 1 of the springs broke replaced it, then my engine 2012 Camaro SS 6. A sturdy reciprocating assembly combines with L92-type rectangular-port heads to deliver a 10. 2L motor is putting out 430 HP. The LS3 is a great engine and shouldn't give you problems for many years, miles, and smiles. The LS3 crate engine is one of Chevrolet's most versatile and best engines. For some reason this engine seems more like a weekend toy type of engine that is only for 1 or 2 LS engines can run well past 150,000 miles if taken care of properly. runs high 5s at 120mph in the eighth it will be a good daily driver L99 with blower cam and 675 dual btr springs, Magnacharger on 8psi fuel pressure is 60+, injector duty cycle is 50% or less, wideband 11. 2L 430HP Crate Engine Common Pros and Cons? The list of benefits is endless. I'm pretty sure it did not hurt, and it's only pennies more. The LS3 engine is rated and advertised with 422 brake horsepower and 408 lbs/ft of torque. 622” stroke. Check out Texas Speed & Performance’s complete line of LS3 turn-key crate engines! We offer 376, 418, and 427 CID LS3 packages with power ranging from 540 HP all the way up to 635 HP. The L99 engine has a slightly less horsepower output rating, as the vehicle is advertised with 400 brake horsepower and 410 LS3 Engine History. By Mike Aguilar April 25, 2016. It’s a high-mileage hauler that’s driven daily and ran Camaro Z/28, Chevrolet, Corvette, high miles, highest mileage, LS3, LS7, LS9, LSX, Pontiac Next Article » Dyno Wednesday: ’72 Nova is a Burly Boosted Beast Ls3 heads from Texas speed and a custom grind cam from pat g. 05-12-2017, 02:52 PM #6: SMAC10SS Drives: 2010 CGM 2SS/RS. LS2JSTS. $11,289. LS376/480 495HP Hot Cammed LS3 IN STOCK. Transmission gears are also a concern during their initial wear. I have no idea if that helped, though. Additionally, the LS3 engine is known for its durability, with many owners reporting high mileage and minimal issues over the life of the engine. However, there was one issue. Posts: 7 View My Garage. 98 LeeC Parts is the Nation's #1 Source for High Quality Used LS Engines and Drivetrains Parts! Vehicle history and comps for 1972 Chevrolet Chevelle Heavy Chevy 402/ LS3 VIN: 1C37U2R567144 - including sale prices, photos, and more. She's only left me stranded once and only been on a flatbed twice. Powertrain. 015, Melling HV 10296 oil pump, TSP 1-7/8" long tube headers (W/Catless Off-road Pipes), FlowMaster Outlaw axle back/X-Pipe, GPI The Complete Street Performance YouTube Channel is dedicated to bringing you humorous but quality car content, mostly specializing in late model Domestic V8s As carbon builds up in the throttle body of a high mileage vehicle, the ECM/PCM learns to compensate by increasing the throttle plate angle. 2L gasoline LS engine w/131k GM LS High Oil Consumption Fix(s) Thread starter jetman Start It has never used any oil but is low mileage at 67,000. As with most LS3 engine components, there is no lack of pistons that come with intake and exhaust valve reliefs. The LS3 engine is a high-performance V8 engine produced by General Motors. For example, the LS3 switched from the cathedral This 6. But if you're torn between the LS2 and LS3, you're in the right place. 0 Build Part 2 – Exhaust Manifolds. 3 or 6. That's high mileage IMO In those 90k miles this S4 has been from VT to TX, TX to CA and back twice, TX back to VT, and VT to MI. Tuner Guru Posts: 3495 Joined: Sun Apr 01, 2007 9:26 am Stuck rings is a common problem on many GM LS engines, mine included. Looking for a recommendation for my LS3 Camaro, but your engine was designed with Mobil 1 in mind so I don't think you stand to gain much by switching. FWIW, I wouldnt be nervous about 210k on the motor, Id be more afraid of something like the trans and other things. What steps will be needed to check on a 100k ls3 motor before attempting to upgrade with mods? Ie supercharger or turbos. In addition to the added displacement, the LS3 also featured key performance design changes. getting codes p0121, p0300, p1101 setup has been on car for awhile, then this just started happening any help of direction of next move We grabbed our rubber gloves and a gallon of Superclean degreaser and went to work on the high-mileage 5. Consumers might favor the slight power increase in the LS3 over the L99, even though both engines demonstrate high performance values. Did a swap for a friend 69 Camaro LS3/480 TKO 600 and 3. Today, we’ll take a look at the next phase of that project. Some say most of the engine break-in wear has already happened by the time the dealer has finished the new car prep. Thinking of buying an 2008 LS3 c6 High-mileage LS engines are known for misfires. L. And when i say rebuild i mean taking it to a machine shop to have the block/head cleaned up and looked over and replacing internals with new stuff. All images from screenshots. 3 swapping my high mileage C5. A C5 pre covid was 10-12k with high miles, but a LS3 C6 with high mileage was a far cry from anywhere near Depends on the previous owner more than the mileage. Replaced it with a used engine and I'm at 170k. 0L iron block (LQ4), but installed a new rotating assembly out of a LS2 6. Some people consider the LS3 the most reliable of all the LS and Vortec-series of GM engines. Would 106k miles on a 2009 LS3 be too risky? Common Issues. even the cam is stock- listen to the idle note. 2L 8 -cyl Engine Code [W] LS3 X All Fields Required. Assuming same mileage, if it’s a 4-5k price difference between an 07 and 08 then hell no. 2ls 550-640 hp complete crate engine pro-built cnc heads ls1 ls9 lsx The new car break-in is for all components and one that stands out a lot is the differential, since that is tied directly to mileage. It runs like a clock and the AC in it is enough to see your breath. Engine Specs: LS3 6. Anytime I had to add oil between changes, I did add the high milage version. i have been thinking about the reliability of the LS3 engine as a daily driver. 7:1. Save Share Shop LS3 Engine For Sale at Speedway Motors, the Racing and Rodding Specialists. yes. They also include a one year, unlimited mileage warranty. . 0 Jun 16, 2018 | 10:37 PM I have put 1,100 miles on my automatic LS3 since buying it last winter. I think the intended use is higher mileage engines. Homepage: Garage: Wiki: Register: Community: Calendar: Today's Posts: Search: #Camaro6 CAMARO6 > CAMARO6. I'm at ~113k miles now. 0 powered GMC that Craig Poust is building, and documenting his install of twin turbos on. 2010 CGM Camaro 2SS LS3 Swapped A6 - GPI LS3 SS1 . The vast majority of corvettes are a little too impractical to be daily driven which does cut down on wear and tear associated with There is no high mileage for an LS motor, and I mean that with the utmost sincerity. Most of the time I use Clevite’s with the Tri-Armor coating on Buy LS3 Connect & Cruise Powertrain System Inside, this LS3 is filled with components designed for high performance and longevity. 551-inch of lift on the 2. On the other hand, LS6 fuel efficiency is a bit High price of LS3 makes it unaffordable for many people. If you need even more oil flow for your Gen-IV LS engine, the 10355HV high-volume high-pressure oil pump has an increased flow rate that is 20 percent more than the standard-flow 10355 Gen-IV pump. I have one and the pressure runs about 3. Engine Belts: Check for cracks and wear and replace if necessary Fluids: Make sure all of the fluids Find quality LS3 engines for sale here. 660" Dual Spring kit w/titanium retainers, CHE bronze trunnion upgrade, stock heads milled @ . ” For those of us who have been following Corvettes for a very long time, we tend to think of the ‘60s and early ’70s as “The Golden Years”—and for a long time, they 2013 CORVETTE GRANDSPORT OEM 6. Personally Id say replace. 2L 8 GM 6. Open Modal. So, if you prefer C6 LS3 2008-2011 > 378 CID LS3 525 HP 6. 3-11. It has 3. Our large inventory and huge warehouses allow us to The more fuel efficiency of the engine, the more the car get mileage. In addition to having massive valve reliefs that will be suitable for almost any cam, they are also forged. Don't worry about it. the 525 is badazz but is alittle rough at low rpmsit loves high rpms on the fwy. Engine Transmission Type Drive Type Mileage. You are browsing camaro6. I'd go FAST/90 intake, untouched 243 casting heads (LS2/LS6) and a cam in the low 230s. Starting at: Current Engine Mileage * Engine Shipping Address * HIGH-QUALITY REMANUFACTURED ENGINES. As for the rest, yes the LS3 easily fits under a cowl induction hood. The ones I've seen online so far range from 65,000 miles to 210,000 miles. Are there any common issues with LS3 engines? Like any engine, the LS3 may experience issues such as oil leaks, overheating, or sensor problems. Give us a call today to get a quote on your turn-key crate engine! Sort By: Page Size: TSP 376 CID Check out Proformance Unlimited’s complete line of LS3 turn-key crate engines! We offer 376, 418, and 427 CID LS3 packages with power ranging from 540 HP all the way up to 700 HP. This makes it a popular choice for a With this high mileage on the block, would rebuilding be worth it from a reliability and performance standpoint. Order a Chevrolet Performance LS3 engine from JEGS High Performance today! High Mileage 5. OEM vs. 5 mpg for a 7,000 mile trip. Having a trustworthy mechanic on High mileage GMC/Chevrolet LS engine trucks, are they "like a rock"? Our 2002 Silverado LS has about 270k miles on it. 3 with 77k on it for $350 bucks. Thank you. You're going to spend that much on rebuild parts and labor anyway. At 200k we replaced the transmission with a Jasper. 3. Give us a call today to get a quote on your turn-key crate engine! Showing all 3 results Well, I got 175,000 out of my LS2 with just the regular stuff. Supercharging/FI will shorten the engine life by at least 60%. I run mobil 1 5w30 - also 8oz of Red Line engine break in additive at oil changes for extra zinc & phosphorus. Jump to Latest Steve Humrich has the 430 hp version and he loves it. 2 LS3 DRY SUMP LS ENGINE LONGBLOCK DROPOUT 24K. Soon we found a 2008 4×4 Suburban with a little over 100,000 miles on the 6. Engine Transmission Type Model Trim. 55 rear got 20-22 trip. Show More. Are you in the market for a high-performance LS3 engine and transmission? Look no further! In this blog post, we will delve into the world of LS3 engines and transmissions, It is important to obtain the mileage history of the engine and transmission to make an informed decision. 065”, with a 3. $9,999. Name. Then 100k miles later, what would one expect? Now, the proper thing to do on a rebuild on a worn motor is to bore/hone The LS3 is a very reliable engine that is capable of lasting many years and well over 150,000 miles. We have some of the lowest prices on Chevrolet Performance Parts, Chevrolet Performance Engines, and Chevrolet Performance Transmissions. I picked up a pretty clean fully dressed 02 5. Some people just care about having low mileage Vettes while others know LS, what they are capable of, their reliability and have no issues with high mileage. Tuning For An Upgraded Cam Read about the GM E-Rod Crate Engine's pros and cons. We show you some common issues, and how to diagnose and fix these problems. How dependable are these engines after that much driving? I'll probably be putting 15,000+ miles on it each year. Buy a 6. customclassictrucks. Tear Down. 2L LS3 Engine 525 HP. Performance. As we tore the engine down, everything looked surprisingly well on the 175,000-mile Tahoe powerplant. For instance at 80 he is LS3 525hp crate engine mileage. A couple of my buddies I instantly tore into it and installed a Hurst shifter, Texas Speed stage 2 cam, TSP headers with off road pipes, and electric cutouts. may want to pull the engine down to just do a basic refresh to start with isntead. I’ve always used Clevite or King Main/Rod bearings when assembling new shortblocks. TMU Engine is currently running fantastic at all rpm’s and load points but after having a quick look at the basic timing tables at low load cruise rpm’s they seem very short to me . 647/. The check engine light on the dash was Have you considered swapping the oil pump for a melling high volume high pressure unit. Buy a Chevrolet Performance LS3 engine online. This 6. The LS2 and LS3 engines belong to Chevy’s Gen IV engine platform, with the LS2 being the pioneer of the lot. What Are Chevrolet Performance E-ROD LS3 6. Joined Jul 16, 2005 Messages 1,104 Location Old Forge NY. 3 190k Miles. 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