5/18/2023 0 Comments Rigs of rods mods everyoneThe earlier trucks may also have high oil consumption, but there’s a fix for that too. If a lifter is already failing, it’s best to go with an AFM delete kit. If your engine is in good running condition now, you can install an AFM disabler. Upgrading the LMG Camshaft and ValvetrainĪs we mentioned earlier, the engine came with AFM-which is known to fail. Before you go, make sure to install a colder thermostat to open up the tuning window.īelow are more upgrades that will improve the performance of the LMG engines. It also makes it easier to tune with a bigger cam and injectors later on. The 5.3L loves to rev, so raising the rev limit and shift points is common. Whether you’re towing on low-octane or springing for good fuel, a tuner can dial the ECM and take it to the next level. All these can be done in the garage, but the tune won’t be optimized.Īt this point, we recommend talking to your chassis dyno tuner and decide on a computer programmer. The problem is that the engine starts to sound REALLY good and owners find themselves wanting to go faster. Trucks are the everyday hotrods of the 21 st century and you can think of the LMG as the modern equivalent of the old 327-a long-time favorite of hot rod builders.įor many people, it starts off with a cold air intake and aftermarket exhaust. Most will want to get rid of the AFM immediately and VVT isn’t for everyone.įortunately, deleting one or both is straightforward and easy. The flex fuel injectors will support 450+ horsepower at the wheels.ĭo they have a downside? Just one or two.General Motors made a bazillion of them which helps keep prices down.The intake and accessory drive swap over, but a Lingenfelter crank sensor trigger conversion is required. 3 4.8L and 5.3L engines that are getting more difficult to find. It’s an iron block alternative to older Gen.The LMG is gaining popularity for several reasons: These engines start life in trucks and SUVs. LMG 5.3L Engine Specs: Performance, Bore & Stroke, Cylinder Heads, Cam Specs & More.In 2010, the LMG gained VVT as well as pistons with valve reliefs, and compression dropped from 9.9 to 9.6:1. The engine is close siblings to the LC9 which shared many of the same features…except it had an aluminum block. The engine also had 799 or 243 casting heads which are closely related to the LS6. 4 5.3L iron-block engine, so you’re getting the better intake manifold, connecting rods, and ECM. The Douglas LRS took the best overall award because of its ability to throw everything from finesse to deep working spinnerbaits and it doesn’t sacrifice feel for versatility-it’s a rare rod that fishes everything well.The LMG came in GM trucks and SUVs in 2007-‘14 and made between 310-326 horsepower horsepower right out of the box. Everyone that fished the Douglas LRS liked the rod’s perfectly-sized handle, and appreciated the premium components. During the test I flicked a 3/16 ounce finesse model around boat slips in the morning, and then used it in the afternoon to slow roll a spinnerbait that weighed ¾ ounce, and in both cases I felt like I had the perfect rod. It’s a wonderful blend of sensitivity and give with a perfectly-sized handle and premium components from tip to butt. Lure ratings on a handle are often generous, but this rod excelled at all ranges of the spectrum-from the smallest finesse spinnerbaits up to hard-thumping giants that’ll rattle your fillings out. “ The blue blank of the Douglas spinnerbait rod stands out among a field of cookie cutters, but it’s the action and versatility that really sets it apart.
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