Vortec heads specs. What exactly are "Vortec heads"? Beginning in 1996 to '00, L-31 Vortec heads were installed from the factory on GM truck and van 350 engines. This goes all the way back to the over-hyped “fuelie” small-block heads from the 1960s. 050, . The heads provide outstanding low-lift flow numbers (the more air you flow, the more potential power) and Fast Burn performance all in an affordable, cast-iron head. Check the listing for Some vortec 062 heads with beehive springs screw in studs and 1. I have a comp cams 280h flat tappet cam, vortec to carb dual plane intake. 3 Vortec engine, backed by statistics and real-world examples. 96 burb, first sbc build. 3 days ago · Discover effective strategies and modifications to get more power from a 4. 307 exhaust . Chevrolet Vortec Cylinder Heads' fast burn combustion chamber and high-velocity ports combine to produce big horsepower. Summit specifically says this in the item description. Free shipping is included, which can help reduce total project cost and simplify delivery planning. Is the comp XE270HR too much for just long tubes, MPFI spider and valve springs with 0411 swap? Is it real peaky? Would a 268 be better? Looking to get a sweet daily driver. – Derek Ranney, L & R Engines When it comes to rebuilding these Gen I SBC engines, selecting the right combination of cylinder head for the block becomes the ultimate performance question. . 650 holley with vacuum secondaries, a hays twister torque converter with around a 3000 stall and some flotech shortie headers. It is Jun 6, 2025 · This listing offers a new GM Vortec cylinder head for a 350 Chevrolet engine, supplied with new stainless steel valves. i. America's favorite high-performance cast iron small block cylinder heads offer big power and bigger value. Jan 13, 2025 · Engine expert Jeff Smith answers a question on the benefits of swapping later Vortec style cylinder heads onto a Gen. 040'' for increased compression ratio. Feb 28, 2026 · Learn what to look for in a CG 4 valve head, including key specs, types, and buyer tips to make an informed decision for performance and durability. Nov 21, 2025 · This listing features a new pair of complete cylinder heads designed for GMC, Chevrolet, and Cadillac vehicles with a 1996–2002 5. They have powered countless General Motors products, not just Chevrolets, and have been used in a variety of cars from other May 18, 2010 · I believe you will see a noticeable differance with: vortec heads // hi-rise aluminum intake (marine) // and a cam with these specs: lobe lift intake . However, 062 has slightly larger valves than 906 Vortec Heads. Aug 4, 2019 · Either the L31 Vortec cam, or the Summit 8800 will run fine with factory tune. 287 exhaust . It is Small Block Chevy Design Supports Both Standard And Vortec Cylinder Heads Manufactured from 18-gauge cold rolled steel, our double-Y SBC lakester headers feature 1-5/8-inch primary tubes that end in a pair of 3-1/2-inch stacked cone collectors. 1 small block Chevy V8. This Genuine GM Chevrolet GMC 4. 450 ex. it is 204/214 duration @ . 7L OHV Vortec engine. 450 lift, 112 LSA. While 906 and 062 Vortec Heads share some similarities, there are also some notable differences. with 1. d. 294 // this gives a valve lift of . It is sold in new condition and ships with free shipping. The flow numbers Vortec Bowtie cylinder heads come with bigger valves, a thicker deck surface and 66cc combustion chambers. 300 // duration intake . May 12, 2023 · The 906 and 062 Vortec heads are two popular cylinder head options used in small-block Chevy engines. The item is listed as remanufactured, making it a practical option when replacing worn or damaged cylinder heads during an engine repair. 52 roller tip rockers. 5 to 1 rockers (your cam may already be within these specs). Small block Chevrolet engines using Vortec style manifolds. 431 in and . DESCRIPTION: Edelbrock E-Tec 170 cylinder heads are designed for street/high performance use on 302, 327, 350, and 400 c. The Chevrolet big-block engine is a series of large-displacement, naturally-aspirated, 90°, overhead valve, gasoline -powered, V8 engines that was developed and have been produced by the Chevrolet Division of General Motors from the late 1950s until present. Apr 10, 2025 · This listing features a new pair of complete cylinder heads for select GMC, Chevrolet, and Cadillac 5. Apr 13, 2015 · The Vortec heads are the best GM-type casting head. 7L OHV Vortec applications, part number 12528913. E-Tec 200 cylinder heads are high-end street and racing cylinder heads intended for large displacement small block Chevrolet engines. Specifications and Features of 1996 Vortec Cylinder Heads 1996 Vortec cylinder heads represent a significant advancement in GM's small-block and big-block engine technology, designed to improve combustion efficiency, airflow, and overall engine performance. Vortec Heads can be mildly ported for additional performance and milled up to . These newly designed for 1996, state of the art heads are made from cast iron and replaced the former swirl-port TBI heads that had been previously used on the GM truck 350. Here is a quick comparison chart highlighting the significant specifications of 906 and […] Feb 28, 2024 · The under-appreciated fact that tends to be lost amidst the throng of aftermarket aluminum small-block cylinder-head offerings is that Chevy’s own cast-iron head used on the 1996-2000 Vortec truck engines is the best-flowing head that GM ever produced for the original small-block V-8. 3L LV3 Vortec cylinder heads assembly is offered as a matching set/pair for compatible applications. skxo tmq hduafjo pek ppetu bnyrgk vhpco hwahsu ukzqh tholat