Is the northstar v8 a good engine

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93-99 Northstar has m11x1.5 headbolts 00-03 Northstar has M11x1.5 headbolts (Upper row are longer than 93-99) 04+ Northstar has M11x2.0 Headbolts (Upper row are same length as 00-03), also the 04+ don't fail nearly as much as the pre-04 Northstars, though we have had a few in the shop with stripped headbolts.The Ultimate Kit for Cadillac Northstar V8 - 2006-2011 DTS & Lucerne. Review (s): 0. The Ultimate Kit for Cadillac Northstar V8 2006-2011 (front wheel drive). Fits Cadillac DTS and Buick Lucerne.Includes everything you need with both stud kits and the best gaskets available for your ride from top to bottom. $1,845.00.Find CADILLAC 4.6L/281 Cadillac Northstar V8 Engines & Components and get Free Shipping on Orders Over $109 at Summit Racing!The Good, the Bad, & the Ugly on the 6.5. This weekend I'm going to look at a 1997 6.5 GMC Sierra with low miles and wanted to know if the 6.5 is a solid, reliable engine and if it has any issues. I need a truck to put a camper on (about 2200-2400 lbs) and pull a boat/snowmachine trailer. I owned an '02 Duramax and know they were notorious …This 4.6L Northstar V8 engine is being sold married to the 4T80E automatic transmission as a dropo... Today we look at a very clean 2005 Pontiac Bonneville GXP. This 4.6L Northstar V8 engine is ...There are plenty of Northstar swaps on the forum, so just search and do your research, and you should be fine. 1) Most all years have been used. Early engines had a particular issue with the block material at a couple of the head bolts, that would cause the bolts to loosen and coolant leaking.Northstar lineage can get a mite confusing. The Seville SLS model actually came with the RPO LD8 (VIN Y) Northstar. Rated at 275 hp and 300 lb-ft, it was designed to provide more low end than the ...

Tri Star engines are 100% remanufactured, not rebuilt, in the U.S.A. and incorporate the latest updates. All 4.6 Cadillac Northstar V8 long block engine assemblies are thoroughly simulation tested to verify oil pressure and compression meet our stringent specifications.See below for more details.Dyno pull at the Fiero 40th in Pontiac, MI on 7/15/2023. Engine is a freshly rebuilt L37 4.6L Northstar V8 out of a 1996 Cadillac Seville. Transmission 4T80E... The Northstar V8 engine family is General Motor's top-of-the-line luxury power plant. Introduced in 1993 in the Cadillac Allante, Eldorado and Seville STS, the 4.6L 32-valve dual overhead cam all-aluminum V8 engine was a quantum leap forward for U.S. automakers. Initially rated at 295 horsepower, the Northstar V8 has been ranked as one of the "10 Best Engines in North America" by Ward's Auto ... The 3.5 would reportedly have been expanded to 3.7 L for the Intrigue and Grand Prix, however despite higher performance Pontiac owners reportedly expressed dismay at the prospect of a "smaller" engine than the 3800, and with Oldsmobile going away and the Global V6 coming there was nowhere to use it. Quote.The Ultimate Kit for Cadillac Northstar V8 2006-2011 (front wheel drive). Fits Cadillac DTS and Buick Lucerne.Includes everything you need with both stud kits and the best gaskets available for your ride from top to bottom. $1,845.00. Add to cart. In stock.Now owned by a Rafi Ward of Boulder, Colorado, this sacrilegious and crappy Cadillac, powered by one of the worst engines ever made by General Motors, the Northstar V8, will continue its life as a ...Updated on June 21, 2023. The Northstar V8 is one of the most advanced American V8 engines of its time, built to go head-to-head with the Europeans and their technology. However, all those advancements …

Initially designed to battle against dual overhead cam V8 motors in the late 1980s, General Motors was hoping to capture the market with new engine technology that was equivalent to BMW and Mercedes-Benz. Used in Cadillac, Oldsmobile, Pontiac, and Buick applications, the Northstar engine provided good power output despite its complex design.F. FCSLEVIN Discussion starter. 29 posts · Joined 2018. #1 · Feb 23, 2018. Just recently purchased my 2008 Cadillac STS with Northstar V8 I'm currently at 83,000 miles and was wondering what type of preventive maintenance I can do to keep this car running good other than oil changes and doing the transmission fluid and filter at a …Used 2007 Buick Lucerne pricing starts at $4,490 for the Lucerne CX Sedan 4D, which had a starting MSRP of $26,265 when new. The range-topping 2007 Lucerne CXS Sedan 4D starts at $5,342 today ...Details. 4.6L Northstar Cadillac engine. This part number fits 2000-2002 non-HO applications. Engine VIN code Y, non-high output. This Premium Longblock engine includes block, crankshaft, connecting rods, pistons, timing set, oil pump, camshaft, lifters, bearings, gasket set, cylinder heads, valves and springs.Thanks Jesda for that link to "Anatomy of a Northstar V8 engine" Fantastic insite as to all the inside stuff of the engine, and why's ! I knew that If I was building it myself, I would have chosen certain things, just as Cadillac did, visibly, from the outside, and the owner's manual, BUT, now I know that the inside stuff, is also a continuation, We would like to show you a description here but the site won’t allow us.

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The STS V8 is a much cheaper option for GM fans who want a V8-powered, RWD sports sedan when compared to the G8 (which holds its value damn well). 2005 Cadillac STS V8 - 61,000 miles. 2005 Cadillac Deville Base (Limited Edition) - 131,000 miles. 2006 Chrysler 300C - Totaled.Northstar overheating causes. Someone who works on Northstar engines said the overheating problem on my 1994 Cadillac STS is due to one of 3 problems - a bad water pump, bad head gaskets, or a bum thermostat. I am looking for second opinions because he thought it probably was the head gaskets and that the cost would be over two thousand bucks.Thanks Jesda for that link to "Anatomy of a Northstar V8 engine" Fantastic insite as to all the inside stuff of the engine, and why's ! ... pull the engine and properly stud it. That's no good, the cars woulds last forever, or until the person gets sick of it. Having to buy a car every 5-7 years when it's just paid off is just BS.maxrayruss, 12/08/2010. 2000 Cadillac DeVille DTS 4dr Sedan. I purchased this beauty on ebay with 100,000 miles and the car was a super clean Sarasota, Fla car. It has all options and is an eye ...

Another old wives' tale. A Northstar can leak from one or several places, with the oil pressure sender or oil filter adapter being the most common and the simplest, easiest, cheapest to fix. Next comes the oil pan and/or halfcase seals, requiring total engine removal and a new procedure to repair.When it comes to v8 engines, the northstar is a name that holds significance in the automotive industry. Developed by general motors, the northstar engine was introduced in 1992 and was known for its advanced technology and performance capabilities. ... Remember, by prioritizing regular maintenance, adapting good driving habits, and …According to Cadillac Jim on Caddyinfo, apparently Car and Driver, upon finding out about limp home mode in 1997, drained a Northstar of its coolant and beat the living piss out of the V8 in a torture test of sorts. a 0-60 MPH time of 18 seconds and a quarter mile time of 25 seconds was recorded. Extrapolating from those numbers, C&D estimates ...maxrayruss, 12/08/2010. 2000 Cadillac DeVille DTS 4dr Sedan. I purchased this beauty on ebay with 100,000 miles and the car was a super clean Sarasota, Fla car. It has all options and is an eye ...getting a 2006 STS fully loaded with the Northstar V8. any problems i need to... $6k for shocks is way too high. 1 hour labor to do the rears and $800 for the pair so maybe $1k for the back if high labor. About $1200 for the front pair plus a couple hours labor. Call it $1k for the rear and $1500 for the front.What about the L47 4.0 Liter Olds Aurora V8? ~250hp out the box, race proven (650 horsepower in twin turbo LMP trim) and was good enough for Carroll Shelby. The Aurora was FWD, works for your transverse setup. It should be lighter than the 4.6 Northstar. Not sure on price or availability on your side of the Atlantic.Engine: Northstar 4.6L V8 (LD8/L37) Posted September 26, 2011. My 2006 is 5.5 years old with 107,865 miles on it. So far so good. I had the coolant changed back in the early summer at about 95.000 miles. Also had the transmission fluid changed at the same time.May 18, 2008 · Nothing is perfect, and the Northstar performs beautifully overall, but isn't exactly a standout in terms of durability compared to any other engine. So it's hard to call anything "as good as xxx..." in terms of an engine, but the 3.6L is a great engine and is taking over where a new Cadillac started V8 was to begin, so all will get used to it. Please Like, Share & Subscribe for moreMechanically, Eldos are powered by different versions of the 4.6-liter Northstar V8 engine, which sends power to the ground via the front wheels. MagnaSteer variable effort steering gear is standard.Given that the official recommendation from Cadillac for leaky Northstars is to literally remove the engine from the car and replace ALL seals and gaskets in one operation (and this is a 20-30 hour job depending on which specific YMM), that will get real expensive real fast.

Car Model/Year: 2023 Cadillac CT4-V Blackwing. Engine: 3.6L V6 Twin Turbo (LF3, LF4) Posted October 7, 2008. My advice is yes, timesert every hole. It is much easier to do that now while you have the engine open than to have to go back in later. Note also that the head bolts are not re-usable. Bruce.

The L47 Aurora engine was a special V8 designed for the Oldsmobile Aurora, based on the Northstar engine. It is a DOHC 3,995 cc (3.995 L; 243.8 cu in) V8 which produced 250 horsepower (186 kW) and 260 lb·ft (353 N·m) of torque. The bore was 87 mm (3.4 in) and the stroke was 84 mm (3.3 in). The L47 had a 10.3:1 compression ratio and used ...Hey gang, A fella at work who knows a lot about cars & engines told me a problem with some of the Northstar 4.6 V8's. He claims that the earlier engine block castings were prone to fail due to porasity in the casting. He claimed that GM's "fix" was to offer coolant "pucks" to add to your coolant to stop erosion of the engine block.The Northstar is a perfect example of an engine that was slightly over-engineered for its own good. It's finicky, high-maintenance and expensive to repair if anything breaks. Fortunately, its most common problems are easily dealt with -- and savvy buyers have been known to get great deals on engines sellers thought were toast, but were really ...We see them all the time, but do you ever think about everything these machines do? A fire engine is a combination personnel carrier, tool box and water tanker. Learn all about thi...Some 2004 Pontiac Bonneville GXP (Northstar V8)s have enjoyed a good reputation for being durable, dependable vehicles. Few have experienced significant engine problems. However, some engines have suffered from excessive oil consumption and a damaged catalyst due to oil leaks that could lead to engine failure.Gasket Kits for Northstar V8. We sell top-of-the-line gasket kits for Northstar V8 engines. You have to be really careful when buying gaskets, there's a lot of cheap stuff on the market that can and WILL fail prematurely- even some of the top name gaskets are no good. We have found out the hard way, through experience, what works and what does not.This Northstar engine was designed originally for transverse front-wheel drive applications. It was modified substantially in 2004 for longitudinal rear- and all-wheel drive use in the STS, SRX, and XLR, as well as receiving continuously variable valve timing on both intake and exhaust sides. The RWD (LH2) Northstar produces 320 hp (239 kW) and 315 lb•ft (427 N•m). An increased compression ...2. Oil filter gasket itself. 3. Oil filter adapter O-rings/composite seal plate (depending on year) and (if fitted with V03) - oil cooler lines. 4. Tossup between cam cover seals and oil level sensor in the lower front of the pan. 5. Halfcase and oil pan formed silicone seals (not "gaskets") 6 Rear main bearing seal at the flexplate.

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83684 posts · Joined 2006. #2 · May 10, 2016. Spec falls between between 140 - 170 psi, warm, throttle wide open, and all 8 cylinders within 10% of each other. If one cylinder is low and a teaspoon of engine oil through the plug hole brings compression up close to spec, it's bad rings. If compression does not increase with addition of a bit ...83684 posts · Joined 2006. #2 · May 10, 2016. Spec falls between between 140 - 170 psi, warm, throttle wide open, and all 8 cylinders within 10% of each other. If one cylinder is low and a teaspoon of engine oil through the plug hole brings compression up close to spec, it's bad rings. If compression does not increase with addition of a bit ...The northstar engine is great until it blowns a head gasket and starts leaking oil and water. If you have one you should start a class action lawsuit, because they have had enormous numbers of problems with that engine. Most problems start about 90k miles. I am amazed that Cadillac can get away with it (they are still producing the northstar ...Have a GM dealer run the car's VIN through the GM VIS system. You'll get a readout of all GM recall and warranty work as well as some normal service info. You might find a 1" x 2" campaign sticker or two on a conspicuous place on the engine. Premium Member. If it won't run, chrome it. Maryland Eastern Shore.The Northstar V8 engine family is General Motor's top-of-the-line luxury power plant. Introduced in 1993 in the Cadillac Allante, Eldorado and Seville STS, the 4.6L 32-valve dual overhead cam all-aluminum V8 engine was a quantum leap forward for U.S. automakers. Initially rated at 295 horsepower, the Northstar V8 has been ranked as one of the "10 Best Engines in North America" by Ward's Auto ...PRO -. it's the only engine available -. it's a small - lightweight powerful engine that - when properly maintained -. can last hundreds of thousands of miles -. CON -. it's the only engine available -. there are no aftermarket performance parts available -. a small percentage of them developed head gasket problems -.Instead, Cadillac opted to use the 4.6-liter Northstar V8 to ensure the same smooth experience in the XLR. ... What they did was grow the cam bores of the existing Northstar engine and attach a supercharger to it. ... that was good enough for a zero-to-sixty time of about 4.5 seconds and blasted the quarter mile in 13 seconds. Not bad for the ...The Northstar engine is the first production GM V8 with overhead cams, and it won the Ward's 10 Best Engines three years in a row from 1995-1997. Some of the most common problems with the Northstar engine include blown head gaskets, rear main seal oil leaks, valve cover oil leaks, excessive oil consumption, carbon buildup, and water pump failure.The 4.7-liter V8 engine found in Dodge vehicles is also known as the Powertech engine. It is the innovation of Dodge’s parent company Chrysler. It set out to replace the legendary 318 cubic-inch pushrod small-block V8. The goals when developing the Powertech 4.7 engine were to increase both power output and fuel efficiency.A consumer’s satisfaction with an engine depends on what metric is used. According to AutoTrader.com, a V8 engine provides a great deal more power than a V6 engine, but the latter ...By Bryan. Published Jun 12, 2010. A once great engine that used to be the hallmark of General Motors is leaving us. The famous Northstar V8 is ending production after a 17-year run, a GM ...According to Cadillac Jim on Caddyinfo, apparently Car and Driver, upon finding out about limp home mode in 1997, drained a Northstar of its coolant and beat the living piss out of the V8 in a torture test of sorts. a 0-60 MPH time of 18 seconds and a quarter mile time of 25 seconds was recorded. Extrapolating from those numbers, C&D estimates ... ….

19 Mar 2011 ... Possible, yes. Worth it, no. Can make more power with an LT1/LSx/LQx engine and probably be cheaper than a northstar engine.Engine Brake Use - Engine brake use is common among large semi-trucks. Check out HowStuffWorks for an explanation on engine brake use. Advertisement ­Engine brakes are used when a ...Accurate Engines are actual engine producers, not affiliates or resellers. Accurate Engines provides 100% transparent and competitive pricing on each and every engine we sell. We manufacture engines to OEM spec, ensuring that they meet the highest standards of quality, reliability, and performance. Find out more: remanufactured vs rebuilt engines.Overall, it’s a decent car for the money and one of the best-buy options from this vehicle class. The Northstar V8 engine is already well-known since it’s used in some older Cadillac models and it lasts a long time. So, with our pieces of advice and a trusted mechanic, you will be able to enjoy the comfort and long years of service with ...Dealer will be at 6,000 plus. The SC 3800 is a much better choice if dependably is a factor. Close in performance to the Northstar, great fuel economy, very easy to service, will easily go 300,000 miles running used fryer oil, yes that unfinicky and resilient of an engine. It was an absolute tragedy GM quit using the 3800.The 32-valve design of the Northstar's engine head gives it a serious advantage when it comes to upper rpm breathing as compared to a more traditional 16-valve pushrod motor. In fact, the factory lifters are good for 8,500 rpm, but in order to get there safely you're going to have to swap in a set of stronger valve springs.Car Model/Year: 2000 Deville - Silver - 112,000 miles. Engine: Northstar 4.6L V8 (LD8/L37) Posted December 24, 2006. One big note of caution: The center of gravity shifts dramatically rearward the moment the 12 to 1500 lb. cradle is disconnected from the car. Don't let the car fall off the hoist!Acceleration and Power. A 4.6-liter Northstar V8 engine is standard equipment the 2011 Cadillac DTS. On base, Luxury and Premium models the engine makes 275 horsepower, while Platinum DTS' make 292 horsepower. All models put power to the front wheels through a four-speed automatic transmission.Now synonymous with Cadillac performance, the popular Northstar V8 will soon be discontinued by General Motors. The engine was developed in the late 1980s and introduced in 1992 to compete with ...Cadillac's Northstar V8 was a revelation when it first appeared in the early '90s. ... The 32-valve design of the Northstar's engine head gives it a serious advantage when it comes to upper rpm breathing as compared to a more traditional 16-valve pushrod motor. In fact, the factory lifters are good for 8,500 rpm, but in order to get there ... Is the northstar v8 a good engine, This Northstar engine was designed originally for transverse front-wheel drive applications. It was modified substantially in 2004 for longitudinal rear- and all-wheel drive use in the STS, SRX, and XLR, as well as receiving continuously variable valve timing on both intake and exhaust sides. The RWD (LH2) Northstar produces 320 hp (239 kW) and 315 lb•ft (427 N•m). An increased compression ..., However, overall, the 4.4 Northstar is a good engine option for those who want a powerful and reliable ride. What are the Problems With the Northstar Engine? The Northstar engine was introduced in the early 1990s and was GM's first attempt at a premium V8 engine. The engine was very powerful and had a lot of potential, but it also had some ..., N*Caddy said: Since almost all years have 300 HP, and no major workforce, manufacturing process and design changes happed I would say: ’97 if you are more the ‘92-’97 body style fan (like me) because ’97 is the most updated model in that body style. ’03 if you are more the ‘98-’03 body style fan because of the same reason (see the ..., That made the V8 as smooth as the straight 8s used in other luxury cars. 3rd most important Cadillac V8 was the 1936 346 CID engine. It was the first engine, of any kind,to have hydraulic lifters. Earlier Cadillac V16 and V12 engines had hydraulically adjusted valves, built into the rocker arms, another Cadillac invention., The Northstar V8 is a 90-degree, DOHC, four-valves-per-cylinder engine featuring an aluminum block and cylinder heads, and a valvetrain configuration with roller finger followers., The Chevy 5.3 L V8 engine, also known as the Vortec 5.3 or the EcoTec3 is generally looked at as a reliable and trustworthy engine. The Vortec 5300 is a small block V8 that was produced in 1999 for the first time. Across several different generations the 5.3 engine was used in many popular Chevy models such as the Chevy Silverado, the …, The Cadillac Northstar was so beloved at the time that it was considered one of the ten best engines in North America by Ward’s Auto. In fact, it made the list three times. The 4.6-liter V8 engine was rated for 295 horsepower. However, it got more powerful as the years progressed and even clocked in at almost 500 horsepower., Northstar overheating causes. Someone who works on Northstar engines said the overheating problem on my 1994 Cadillac STS is due to one of 3 problems - a bad water pump, bad head gaskets, or a bum thermostat. I am looking for second opinions because he thought it probably was the head gaskets and that the cost would be over two thousand bucks., FWIW, after going back through the OP's past posts, he drove a pre-2000 Northstar vehicle so his choice of a 10W-30 oil was correct for his flat-tappet engine. Quaker State is also a good oil, part of the SOPUS (Shell Oil Products U.S.) umbrella of Shell, Pennzoil. Quaker State, others. Premium Member., For what you'd spend on a performance rebuild, you could easily score a 500-600hp turn key crate 383. With just the parts from CHRFab for a full performance rebuild, not including labor, will run in the $5-6K range. Plus, Northstars are REALLY complicated engines, with nearly twice the parts as an LS1., The Northstar powertrain is phenomenal. It is completely worth the HG repair, in my opinion. The 4.9L may be less expensive to repair, but it is on the same par as the N* when it comes to reliability, and the N* trumps it by 100hp. If I were you, I would dish out the extra cash for a new rebuilt N*., Sometimes listing the Vin Engine number helps to to locate info. Good Luck! Testimonial: " Excellent response time " Helpful 3 ; ... The Northstar V8 VIN Code 9 or Y is a 4.6L engine. The cylinders are arranged in 2 banks of 4 with a 90 degrees included angle. The left (front) bank of cylinders are number 2-4-6-8 and the right (rear) bank ..., Northstar engineNorthstar cadillac engine v8 engines caddyinfo performance american end 6l mighty 9l supercharger gm 2008 wired conversations ap22 reports mods Northstar crate engines for sale – crate engines for sale️ is the northstar engine good or bad?, 2) Depending on the year of the engine, and what features you want, various options for an ECU are possible, from the GM 7730 ECM, LS1 ECM, the ECM that came with the engine, or aftermarket. THe stock Fiero ECU cannot be used. 3) I don't know of any wiring kits for the Fiero, for a Northstar. It is not difficult to mate the Fiero harness and ..., I believe the Northstar V8 is a front wheel drive engine. That would be the major problem with it. A nice LS1 or LT1 would be my choice if I were to do Fuel Injected swap. 1991 Sonoma - 355 SBC - TH400 - Gear Vendors OD - Exploder 8.8 Disc Rearend - Bags full of groceries - 2 Pump 4 Dump Hydraulic Suspension - 48VDC., 83683 posts · Joined 2006. #19 · Sep 24, 2021. GM/Cadillac has a TSB (Technical Service Bulletin) out on acceptable Northstar oil consumption for engines in excellent mechanical condition with less than 36,000 miles - 2,000 miles per quart. It's in the stickies in Engines; Northstar forum., Cadillac Deville 2003 79,0000 miles V8 Northstar engine 32 valve 4.6 liter. I recently been offered a 2003 Cadillac for $1,500. its owned by a 85 year old and has the carfax history of the vehicle. Never been crashed, but it burns a little oil. Any thoughts? (123,000 miles*) Archived post. New comments cannot be posted and votes cannot be cast. 9., The DeVille was large and powerful with the Northstar V8 under the hood, and the ride was smooth as silk. ... The Northstar Engine with power when needed. Not to forget the great gas/mileage when ..., The Northstar V8 is already infamous for being a particularly needy engine which is plagued by issues like buried water pumps which are multi-hour jobs to access; especially ones under the top head where you not only need the gaskets but also a water pump. Some are prone to blowing the engine young with lower-grade oil as they age., I know that the 1995-2000? 4.6L Northstar engines are often called crap and are notorious for blowing head gaskets and very $$$$ to repair, but I think that the 4.9L (last used in 1995) was a good engine? Dont hear too many bad things about them. Starting in 1995 (maybe 94), the northstar was optional in the DeVille, standard in 1996., Find CADILLAC Cadillac Northstar V8 Intake Manifold Gaskets and get Free Shipping on Orders Over $109 at Summit Racing! Save up to 10% on the Powersports Parts you Need! Vehicle/Engine Search Vehicle/Engine Search Make/Model Search, There are plenty of Northstar swaps on the forum, so just search and do your research, and you should be fine. 1) Most all years have been used. Early engines had a particular issue with the block material at a couple of the head bolts, that would cause the bolts to loosen and coolant leaking., The 5.7-liter Hemi engine has long been one of the best V8 engines, and for good reasons. It has proven to be a stout and reliable motor for over two decades. ... The Northstar V8 replaced the Cadillac High Technology V8 and was one of the most advanced engines of its era. However, the engine's technical advancements made the Northstar …, The 4.5 and 4.9 are upgraded versions of the 4.1. They are responsive and provide adequate horsepower, and tend to be very reliable and long-lived engines. In fact, they remain two of the lowest warranty claim engines Cadillac ever produced. If the transmissions held up better, these cars would run to 300k and beyond., You would start with the #1 cylinder at TDC, crankshaft sprocket timing mark at 12:00, intermediate sprocket timing mark at 6:00 so the both timing marks match. Then you are left with the cam timing marks which all need to be 90 degrees from the surface of the head. Some Northstars have special exhaust cam sprocket at bank 1 due to CMP., The Ultimate Kit for Cadillac Northstar V8 2006-2011 (front wheel drive). Fits Cadillac DTS and Buick Lucerne.Includes everything you need with both stud kits and the best gaskets available for your ride from top to bottom. $1,845.00. Add to cart. In stock., Bad Eldo. fame23, 02/20/2014. 2000 Cadillac Eldorado ESC 2dr Coupe. Loved everything about this head turning 2000 ESC, I purchased in 2011 with 71k mi, I put 18k mi on it and all hell broke loose ..., There are two available engines: a 3.6-liter V6 good for 255 horsepower and 252 pound-feet of torque, and a 4.6-liter V8 that generates 320 hp and 315 lb-ft of torque. , Thanks Jesda for that link to "Anatomy of a Northstar V8 engine" Fantastic insite as to all the inside stuff of the engine, and why's ! I knew that If I was building it myself, I would have chosen certain things, just as Cadillac did, visibly, from the outside, and the owner's manual, BUT, now I know that the inside stuff, is also a continuation,, Northstar V8 power, spacious and comfortable cabin, two tons of traditional American opulence. ... so the inclusion of the Northstar V8 engine is a welcome sight. Standard DeVilles and the DHS get ..., The good: Performance, especially of DTS ... Northstar V-8 engines; ... The DeVille was large and powerful with the Northstar V8 under the hood, and the ride was smooth as silk. Sure it handled ..., Northstar Swap / Interchange - What Years Will Fit and the Differences. 93/94 - These engines have the knock sensor below the fire-wall side cylinder head, screwed into the side of the engine block. These engines have slots cut into the intake ports to feed exhaust gas from the EGR system into the combustion chambers., The Northstar engine is the first production GM V8 with overhead cams, and it won the Ward's 10 Best Engines three years in a row from 1995-1997. Some of the most common problems with the Northstar engine include blown head gaskets, rear main seal oil leaks, valve cover oil leaks, excessive oil consumption, carbon buildup, and water pump failure.