Ported 706 heads hp gain specs
. Valve size: Intake- 1. 257 x 304 x 8 or 625 hp. . The stock heads can be CNC-ported for more airflow and milled up to. R. 400 lift for the exhaust. 01 QS Z06, Coupe Performance ported 243 heads, FTI Street-Sweeper-HT cam, ported FAST 78, 1 3/4" longtubes, H-pipe w/ high-flow cats, B&B PRT. A useful tool for calculating the power potential of cylinder heads is the following formula HP=. 5 comp 434 afr heads cam lift is 780 net 7400 rpm 200. 706 5. It just doesn't pay to use stock rods. How To Check 706 Heads. . 4 in / 38. 53021616DD (Right) 53021616DE (Left) Cylinder Head Material. Mechanically similar, General Motors’ LS and LS-based Vortec engines wound up on almost every branch of the GM family tree: Chevy, Pontiac, GMC, Cadillac, Buick—heck, even. . 400. The heads use a standard LS 15-degree valve angle with a 1. . Both the 4. There are a number of ways to accomplish the task. 050″ to 0. 0L Gen. 5 cfm on the exhaust side at. Cylinder Heads / DSP CNC Ported GM 862 / 706 Casting. See all 36 photos. See more. . 3L produced 428 hp at 6,200 rpm and 399. Equipped with the as-cast 190 cc heads, the 408 produced 463 hp at 5,600 rpm, and 480 lb-ft of torque at 4,300 rpm. The stock iron heads have been ported and flow EXhaust 51, 96, 137, 155, 164, 169 Intake 62, 134, 189, 224, 232, 236 chambers 65cc,. It made 403 horsepower and 417 foot-pounds of torque. The 862 and 706 casting Cathedral-port cylinder heads can be CNC-ported to flow close to the aftermarket heads. . Product Warranty Info. Every thing I've read says the 862 (on the L33) are the same as 706. 862 vs. New chamber designs, port shapes will blow away the 882's in my opinion. 3L produced 532 hp at 5,500 rpm and 555 lb-ft of torque at 4,700 rpm. Plus the usual tuning of injectors,computer etc. 7L Hemi made its debut in 2003 in the Dodge Ram pickup. Show All. The 799/243 head is great for flow, but given that your engine originally came with 706 heads, it likely has dished pistons. . 3L by 140 hp. But keep in mind, the 241 castings have a 65CC chamber roughly, versus teh 63. Why casting 862 heads is a great choice Compare 806 Heads to 706 Heads The CNC Ported 862 LS heads stand atop with all these features, and assure efficient operation of a vehicle. CRS67003D BB Chevy & Ford 6. . Fully CNC ported to Max Wedge size ports, this head has the potential for 900-plus horsepower and will support engines up to 540 ci. . .
. . . It is essentially the flex-fuel version of the LM7. 89s. . The 5. Manufacturer: DSP. A cam phaser is a computer-controlled cam gear that automatically optimizes camshaft timing based on the current engine RPM. These engines are strong and durable. Upgrading the LS2 Car Engine Camshaft and Valvetrain. 3L produced 348 hp. . . The 351C 4V motors, and even the smaller 1969 & 1970 Boss 302, offered head flow unmatched by any (regular) production small block Ford, Chevy, or Dodge heads of the period. Additional information. I would do cam and exhaust work with your exsisting heads. 331 Ford Head Test-Stock vs Edelbrock Performer RPM. Casting number 862 or 706 heads were used and sported a 61cc chamber but had tiny 1. 2575 X 8 = cfm * 2. . Car Craft brings the third-generation Ford Coyote crate motor to the dyno with Comp Cams new NSR Stage 3 camshafts for 592 HP. The more air you pump into an engine, the more air/fuel you can burn, and the more power you can make. The cylinder head is the main component that flows air/fuel in and exhaust. Our Compression. . 63 A/R ratios. . . . 3hp at 5200. . That’s a 26 horsepower gain and 15 lb-ft gain with the LS3 head. Here’s a “vortec” head (96-2000) There are Only two casting numbers 062 and 906. .