2018年3月8日 · From the best headers & intake to cam swaps & beyond, here's a step-by-step performance upgrade guide for the LM7 5.3L LS engine.

With 29 Chevy LM7 Intake Manifolds for sale, including custom-fit/universal versions, we're sure you'll find the perfect Intake Manifolds for your needs. We carry selections from brands that you trust including LS Classic, Holley and Holley Sniper. Speedway Motors has the best Chevy LM7 Intake Manifolds online.

2014年8月15日 · LS6 intake is worth 15 hp in the upper RPMs on a stock engine. My truck intake was damaged so I spent a while looking for a deal on an LS6 intake to pop up. 300 bucks complete with map sensor, injectors, rails and throttle body.

2023年3月24日 · After installation of the FAST LSXR intake and matching 102mm throttle body, the peak numbers jumped to 480.7 hp at 6,400 rpm and 416.7 lb.-ft. at 5,600 rpm. Measured peak to peak, the FAST LSXR intake increased the power output of the cammed 5.3L by 24 hp, but it is important to note that the most of the gains came past 5,000 rpm.

2023年4月27日 · If you’re considering boost or high horsepower use, the iron block LM7 is undoubtedly stronger, but if you’re looking to do a simple cam swap and want to keep weight down for your hot rod build, the aluminum block LM4 is a very suitable choice for that, so certainly consider an LM4 build if you’re not going to add boost.

2015年7月24日 · Honestly a ready to run 6.0L crate with a slight cam and a turbo set-up would cost you as much as the super charger set up alone, well at least as much as the E-force or pro-charger ones. Don't forget to upgrade the transmission, rear end, and most importantly, THE BRAKES, always upgrade the brakes first. Fastest way to 45oHP is with a cam.

Shop Edelbrock GM LM7 Intake Manifolds and get Free Shipping on orders over $175 at Speedway Motors. Talk to the experts. Call 800.979.0122, 7am-10pm CST, everyday.

2018年10月22日 · You're best bet to try and get it closer is to perhaps use the MAF curve and VE table from a LS1 to start with. It won't be exact because the cylinder volume on the 5.7 is larger than the 5.3 but it will be closer. The rest is fine tuning the airflow model with a wideband, optimizing timing and power enrichment crap for full throttle.

Intake Manifold and Throttle Body. The factory truck-style manifold makes more power and torque than car intakes, but are 3 in. taller. If you are swapping the engine into a car, an LS6 intake is a good budget intake. The 90mm+ aftermarket intakes make …

3 天之前 · The stock LM7 camshaft specs played a crucial role in the engine’s character, offering a compromise between low-end torque and higher RPM power: Duration at .050 lift: 190/191 degrees (intake/exhaust) Lift: .466/.457 inches (intake/exhaust) Lobe Separation Angle (LSA): 114 degrees; Timing: 112/116 (intake/exhaust)