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Since you are looking for maximum torque with the least amount of drivetrain loss, I would get a 700R-4 overdrive automatic transmission, a lockup torque converter, and a 3.20-3.45 rear axle gear ratio. A set of small-tube headers would also help. A free-flowing 2¼-inch dual exhaust is a must. This will give you optimum spark for more complete burning of the air/fuel mixture in the combustion chambers. You should get a calibration kit for the carburetor to fine-tune it to your engine combination.įor ignition, we recommend an MSD HEI distributor and MSD Blaster 2 ignition coil. The Trick Flow heads are also a lot lighter than iron, and the less weight you’re lugging around, the better.Īn Edelbrock Performer intake manifold and 600-cfm Edelbrock Performer four-barrel carburetor will make a good induction system. They can tolerate more compression than iron heads, making the engine more efficient. Hold Down Clamp Aluminum Compatible with Small Big Block Chevy HEI SBC 305 327 350 383. We also recommend a set of Trick Flow 23-degree aluminum heads. Buy Edelbrock 7102 Performer RPM Cam and Lifter Kit: Engine Kits. 421/.451 inches of lift, it’s designed to deliver good low-end torque and gas mileage. Keep the compression ratio around 9.0:1.įor a camshaft, we recommend a COMP Cams hydraulic cam. We suggest using hypereutectic pistons because of their tighter piston-to-cylinder-wall clearances. With its many great features that will increase the performance of your 350 Chevy significantly, this choice will give you the most horsepower. COMP Cams CL12-600-4 camshaft option is our top pick, and for good cause. COMP Cams CL12-600-4 Camshaft For 350 Chevy Best Top Pick Review. Start by building the bottom end of the engine, paying close attention to assembly tolerances. 3 Best Camshafts For 350 Chevy (as of October, 2021): 1.
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What would you recommend?Ī: You used the word right there in the question-“efficient.” Efficient engines operate efficiently, so here’s a tried-and-true recipe for building one. I want to keep it carbureted, if possible.
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I need a recipe for a fuel-efficient drivetrain combination for this car. Q: I have a 1972 Impala with a tired 350 engine, Turbo Hydra-Matic 350 transmission, and 2.73 rear axle gears. In this week’s Mailbag, we’re recommending a drivetrain combo to breathe more energy and efficiency into a tired old 350 small block V8 engine. We work with the Summit Racing tech department to help you tackle your auto-related conundrums. Failure to do so may void your warranty.You’ve got questions, we’ve got answers. Please follow these instructions carefully. Installing a camshaft is a complex procedure. Please be advised that an improper installation may result in LOW MILEAGE, POOR PERFORMANCE, and COSTLY REINSTALLATION AND EVEN ENGINE DAMAGE.