The block is stronger, and stiffer, with increased structure in the bulkheads for superior rigidity (source: GM media). Peak power numbers aside, these potent sixes are good for mid- to low 14-second e.t. It is the shape and material more than the bore size. The problem is people not checking oil levels and continuing to drive on low oil levels. Tailored fitted custom and off the shelf car mats.Read more Total vehicle wraps and applying vinyl wrap to your car.Read more Changing brake pads and discs a DIY guideRead more Common mistakes made in car tuningRead more MPG calculator UK miles per Gallon calculate MPGRead more / UK Modifying & Tuning / Torque Cars Goodbye, 2000 - 2023 Content of this site: pages may not be substantially or wholly copied without our prior written agreement. The weight in the transmission is centered in the turret (small end) which helps with mass centralization. Fortunately, there are warning signs of a failing water pump and you can catch it before the pump completely fails and overheats the engine. 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The best LaCrosse tuning mods on an engine are obviously the ones that give the best value for money. Only show this user. would indeed to be a force to be reckoned with. If you are overheating then the water pump has already failed. The engine timing and injectors and fuel pump also have a large bearing on the torque gains you'll hit. Wow, thats amazing!! Also, efficiency improvements in the cooling system allow GM to use a coolant pump that uses 50% less power to turn, leading to improved economy. We use your comments and feedback to improve the accuracy of these LaCrosse tuning guides which get regular updates and revisions. Mods: Roto-Fab Intake, WW Res. It isn't exactly a free mod, but for $5, it's pretty close. "Success is the ability to go from one failure to another with no loss of enthusiasm" Sir Winston Churchill. 's in the quarter-mile, with turbocharged and nitrous-sniffing sixes running in the 11s. Interestingly, the third generation of the HFV6 also came in both a 3.0L (LFW, LF1) and 3.6L (LFX) displacement, but the bore and stroke are all changed (especially in the case of the 3.0L): GM says the engine block is all-new, utilizing an increased bore spacing (up from 103mm on Gen III, to 106mm on Gen IV). Since the LFX is known to normally consume 1 quart every ~2,000 miles or so, we recommend either topping off oil in between changes or changing your oil more frequently. Copyright Overkill Motorsport 2007-2015, Welcome to Overkill SuperCharger Systems by Overkill Motorsport. Check that the original bushings are in good condition, the no 1 handling problem on the LaCrosse is down to worn suspension bushings and mounts, these cause excessive play in the suspension. Like many late-model EFI motors, the LLT is prone to heat soak, and the stock computer starts to aggressively retard timing once inlet air temperature exceeds 85 degrees, substantially reducing power output on hot days. Vendors may claim that their LaCrosse suspension kits are compatible with any or all model year LaCrosses. If you havent had this performed we would recommend doing so to prevent low oil levels. 09-27-2019 12:04 PM Be sure to keep up with our latest YouTube content and subscribe. They are often basic, do-it-yourself modifications, however, many will have very little effect directly on the car's performance. I have a 2.4l ecotech 190,955 miles never had a problem. After having it for about 5,000 miles, I am overall very happy I bought this tune. filed under Buick. Last Page) colingordon. When a transition to AFM is occurring, the cylinders that are being disabled are allowed to complete a combustion event, but, beginning at the end of the power stroke, the intake and exhaust valves are disabled to keep the combusted charge in the cylinder, turning it, in effect, into a gas spring. Just understand that by the time you reach these mileage levels there is likely a handful of maintenance items that will have arose like water pumps, hoses, timing chains, sensors, etc. Most cars will see peak power increases through performance camshafts on most engines. Just wondering what the individual prices would be for the tune, manifold spacer and also the cam ? JavaScript is disabled. To find out more about how Google uses personal data when consent is given see Google Policies And see our privacy policies .com site .co.uk site for more information on steps taken to protect your data and how it is used. This is particularly the case on the intake camshaft, which, from the parked position, can be phased in either direction (as opposed to only one direction on the outgoing Gen III engines). Maybe this is an option if you still have some warranty left but otherwise the cost of adding the oil supply kit is not worth the benefit. These are mods that can literally be bolted on and work. Air Induction and Sports Exhausts - Please note that on their own these mods won't ADD POWER in most cases, but they can help enhance power after other mods by removing the restriction. Transmission:4-speed 4T65-E automatic, 4-speed 4T65E-HD automatic, 6-speed automatic. The Fora platform includes forum software by XenForo. Water pumps circulate coolant throughout the engine. The overhead cam + V8 configuration of the engine makes the package quite largemuch larger than a corresponding GM LSx style pushrod engine, which fits easily. Id love to see it with a Wankel . For example, the LFX engine is set back in the frame for the best mass centralization possible, which will show up at the track. Typicalstage 3 modsoften include:Adding or upgradingforced induction(turbo/supercharger),Internal engine upgrades(pistons/head/valves),Sports gearbox,Engine balancing, Competition cam. While questions like that are merely a mild annoyance when asked by people that know absolutely nothing about cars, the situation gets far worse when so-called hot rodders get in on the action. MPG calculator My Account; International Orders; Return/Cancellation Policy; Contact Us; Shop by Engine. If you follow GMs recommend oil change intervals and wait 8,000+ miles for an oil change, you need to make sure you top off the oil in between changes. With a new set of poly bushes, the excessive play associated with rubber bushes may be eliminated. Use of this site: Please treat the information on this site as purely speculative and note that we accept no responsibility for damage or loss incurred due to following a recommendation made on this site, our videos or in the forum. For a manual transmissioned car, I wouldn't put a tune very high on my list. That's another way of saying that it makes the most of every last ounce of torque that it makes, and the result is V-8-like power in a smaller, lighter, and more fuel efficient package.