First of all, I'm just a homegamer in the Oldsmobile cylinder head department. U I dont have time to figure out why some companys product failed, especially when there is something else I can get my hands on that performs reliably. Necessary cookies are absolutely essential for the website to function properly. Side & Ream Head Bolt Holes, Finishing of Custom Unfinished Race Block, Machine / Align Bore for Big Ford Cam Bearings, Balancing V-8 Assemblies (Heavy Metal to Balance Additional Time & Material), Intake Match, Bowl Blend, Polish Chamber& Exhaust Port (Pr). The after numbers look close to what everyone says these head flow, interesting. Submit your email to receive the latest stories and expert advice Heads come with 5 angle valve job. The cylinder head works by allowing the air-fuel mixture to enter one valve and the exhaust gas to exit the other. These guys have alot of experience and helpful and cheap, Nirmal is a good guy with alit of experience, Worst experience nasty attitude doesn't take responsibility he has had my motor for 8 months for 30 over bore hot tank and flycutting pistons had to return motor 3 times found metal shavings in motor motor was dirty and stay away from nirmal stay away. This category only includes cookies that ensures basic functionalities and security features of the website. Standard valve sizes are 2.072 in. Copper head gaskets can be purchased from numerous suppliers such as Clark, Hussey, SCE, and Flatout Gaskets and should be ordered with a gasket-bore size .050-inch larger than your engine bore. Joe Mondello designed open chamber big and small block Chevy cylinder heads and pistons long before Chevy did. 0000369626 00000 n As the Oldmobile engine was offered in both small-block (9.330-inch deck height) and big-block (10.625-inch deck height) with no other changes to the basic architecture, the cylinder heads works on either combination without any issues. Olds Oldsmobile 1969 BareC Heads / 455 / XLNT! 32806 407-855-9559 rocketranch@msn.com. Stage I PM: $300 Our "street" port job - a minimum recommended porting stage. With the right seat cutters, the bowl is larger and the bowl shape allows a better transition for the air/fuel mixture to exit the valve, thus increasing available horsepower. If you have him do a full port job, you will not be disappointed. When you remove a cylinder head torqued up with a copper head gasket, you literally have to pry the gasket off the block because the soft copper embeds into the receiver grooves, which is what seals the combustion pressure. 0000001331 00000 n The cylinder head is machined so that the stainless .041-inch-diameter O-ring protrudes .015 inch up from the deck, and the corresponding .040- to .060-inch-wide receiver groove is machined at the same depth into the block. As with any major engineering project, it wasnt so simple as just measuring the dimensions and transferring them over to a new casting. We deliver reliable horsepower, torque and drivability. In those days, the shops clientele read like a Whos Who of drag racing greats. Extremely aggressive , suited for next level all-out competition. Hopefully somewhat impressive or at least an improvement over the small valve heads I pulled off. Edelbrock recommends a Champion plug in their info for the head. 0000000607 00000 n Feel free to contact us for any custom quotes. 7/16"CAN BE USED WITH NO ISSUES AND DRILLED FOR 3/8" PUSHRODS. Continuing use of the site implies consent. This happens either because the combustion seal is compromised or the head does not sit flat due to improper machining. Includes port match. Heads are ready to bolt on right out of the box, Made from high quality components, built to last and assembled in our California facility. Having a decent port in the thing to where it would flow and work forced us to raise the intake port up 1.750-inch, and then we raised the exhaust port about the same. When they do fail in these applications, it usually ruins something like the block or the cylinder head. Hb``d``Z @KrB10Z&00040Dscc` '00 endstream endobj 35 0 obj 69 endobj 25 0 obj << /Type /Page /Parent 19 0 R /MediaBox [ 0 0 676 927 ] /Resources << /XObject << /Im0 29 0 R >> /ProcSet [ /PDF /ImageC ] >> /Contents 26 0 R /PieceInfo << /AdobePhotoshop << /LastModified (D:20120817155034-08'00')/Private << /RoundTrip 1 /ExportCrispy false /SaveTransparency false /ImageResources 30 0 R /XObject << /Im0 29 0 R >> /StandardImageFileData 31 0 R >> >> >> /LastModified (D:20120817155034-08'00') /CropBox [ 0 0 676 927 ] /Rotate 0 >> endobj 26 0 obj << /Filter /FlateDecode /Length 27 0 R >> stream Those were the days when you started a race with a flag man starter, not a Christmas tree. The EX port is really good. Sweet, Growing Peppers in Your Garden: Tips, Hardening Off and Soil Mix, Growing peppers is a great way to spice up your garden. This design allows you to select a wide array of thicknesses for the application. With 2021 in full swing, many gardeners are looking for new varieties of plants to grow. 1 PAIR OF ROCKET RACING CYLINDER HEADS. H*-537S0 BK#s0k ] endstream endobj 27 0 obj 40 endobj 28 0 obj 361529 endobj 29 0 obj << /Type /XObject /Subtype /Image /Interpolate false /Filter /DCTDecode /Width 676 /Height 927 /BitsPerComponent 8 /ColorSpace /DeviceRGB /Length 28 0 R >> stream United States - USD ($), Intake Manifolds, Fuel Injected Components, Superchargers, Centrifugal Style Head Units, Differential Carrier Bearing Adjusting Nuts, Differential Pinion Bearing Spacers and Sleeves, Differential Spanners and Side Adjuster Tools, Driveshafts, Drive Chains, Couplers & Yokes, Automatic Transmission Brackets and Levers, Automatic Transmission Filters, Direct Fit, Automatic Transmission Rebuild Components, Automatic Transmission Trans-Brake Solenoids, Manual Transmission Replacement Components, Manual Transmission Throwout Bearing Retainers, Hoods, Tops, Body Panels, Parts & Sections. Heads Shop is located at 4101 Bergen Turnpike in North Bergen, New Jersey 07047. porting and polishing of the inside of the intake manifold. Okemos, MI 48864 PH: 616.499.6223 Contact Us! I have seen very slight water seepage on engines using aluminum heads. Made from the finest material, with total in-house manufacturing in our ISO-9001 certified California-based facilities. Description But opting out of some of these cookies may have an effect on your browsing experience. As well as port matching. The famed Mondello-Matsubara Blown Fuel Altered won two National Events in the 1960s. We use encrypted SSL security to ensure that your credit card information is 100% protected. SPRINGS,LOCKS, RETAINERS, STUDS,GUIDEPLATES, AND VALVES. Mild porting (further blending with addition of chambers) same volume and flow jumps to about 315 cfm. Quality is assured with 40 years experience in the Differential Industry and full involvement in all forms of motorsport from V8 SUPERCAR To Group 1 Drag Racing. And if the photos hes sent us of the brand-new Oldsmobile aluminum cylinder head design his company has been working on are any indication, the opposite is exactly the case. Includes cutting a back angle on the valves at a specific degree. We designed this stuff a few years ago, and just recently put them into production and have had some great results out of them. We use cookies to provide you with the best possible user experience. ALL ROCKET RACING CYLINDER HEADS ARE BUILT PER CUSTOMER APPLICATION.PLEASE CALL TO ORDER. Sure as heck not going to put that kind of money into my gravity laden iron turd heads. The heads are offered in four different configurations, from a basic CNC-chamber, CNC intake/exhaust port design that flows 340 cfm on the companys Superflow SF600 flowbench all the way up to the big-dog 400-plus cfm max-effort cylinder head designed for all-out racing applications. For those looking to build an Olds small-block, Wise recommends using one of the mid-80s Olds diesel engine blocks, adding these cylinder heads, then utilizingthe Edelbrock 455 manifold on top to work with the raised port location. The oldest castings have a lower number and the latest production castings have a higher number. We'll assume you're ok with this, but you can opt-out if you wish. We use cookies to provide you with the best possible user experience. Exhaust. Until then, my serious engines are sealed by this method. All rights reserved. The perfect cylinder head, designed for entry-level that results in great driveability, power and economy. Olds Oldsmobile 1969 BareC Heads / 455 / XLNT! There is a spacer system to make everything work with a big-block Olds. They must line up perfectly to each other. So give your heads a check with a set of vernier calipers to make sure that the deck surfaces are parallel to the valve-cover rail and the same as each other. Assembly has been carried out at the Speedmasters TDS Department by the Head differential technician. When BTR performs this operation, the O-ring and receiver grooves are located off of the cylinder head and block dowel pins, and are machined on a Cincinnati CNC machine, which makes it easy to get perfect. Fully cnc'd. EACH SET OF HEADS IS BUILT TO YOUR SPECIFIC ENGINE. Stock-type steel big-block Oldsmobile valves are available through SBI and other sources and are relatively inexpensive. Oldsmobile factory-production big-block cylinder heads are identified by a letter cast into the front lower portion of the head on the number-1 and number-8 cylinders. 0000001493 00000 n CNC combustion chambers offer superior control over flame travel and quench area. Mondello Performance Products, Inc. 1103 Paso Robles Street Paso Robles, California 93446, Toll Free Order Line: 877-322-4489 (Ordering with part numbers only). THE ONLY WAY TO ACHIEVE EQUAL FLOW AND FILLS ALL CYLINDERS THE SAME WAY, WHICH YIELDS HIGHER HORSEPOWER AND HIGHER TORQUE NOT SEEN WITH OTHER HEADS. WebPro-Port Raw heads are semi-machined with finished accessory, intake and exhaust flange bosses. Stage V Competition: Standard valve angle, conventional style heads, Stage V Ultra-Competition: altered valve angle, competition style heads. WebAt the end of the day, pocket porting may not produce the fastest-looking set of heads or the most photogenic, but the results can be very satisfying. To learn more, view our, For the ultimate in performance, our E-CNC cylinder heads are the answer. Bulletproof Big Blocks by Chris Hemer, Popular Hot Rodding If your 455 Olds needs a booster shot, then its time to call The Doctor. Stage III: See below for pricing complements any head porting for maximum horsepower. Always remember, at Mondellos you get what you pay for: Horsepower, not promises. In the 60s & 70s, this was the fastest wedge-head Chevrolet, running a 7.24 E.T. Valve Profiling: $50 Produces dramatic increases in low lift flow. Our race prepped heads use a 2.19 intake valve and are 244 cc runner. ***CALL FOR PRICING DUE TO NATONAL SHORTAGE ON PARTS AND MATERIALS***, HRE All Sheet Metal Intake Manifold for Dual Carburetors, HRE All Sheet Metal Intake Manifold for Single Carburetor, Edelbrock BBC "SSCE Custom" Super Victor Intake Manifold, Big Block or Small Block Chevy Aluminum Oil Pan, Moroso "Original" 3-Vane Racing Vacuum Pump Kit, Moroso 4-Vane "Enhanced Design" Vacuum Pump Kit, Manton Special 7/16" Heat Treated Pushrod Set of 16, Angle Mill Head Correct Int. Speedmasters 6-71 Street Supercharger kits can give you 45-55 percent more streetable power. When milling to reduce the combustion-chamber volume, it takes approximately .006 inch of deck surface removed per cubic centimeter of reduced combustion-chamber volume. you have a ported head. so, these are Pro Comps that got cleaned up a little? Head Porting At Home by Marlan Davis, Car Craft Professionally prep your own heads with Mondellos home porting kit. Includes a multi-angle or radius Serdi cut valve job on both heads (seat cutting only). WebCompetition Components Now offers CNC Ported Cylinder heads for Oldsmobile Engines. 0000001449 00000 n Head or block O-ringing: Starting at $250, Address: 1035 Front Royal Dr. Indianapolis, IN 46227. Stage IV: $1000 Our "hot rod" port job- for nitrous and forced induction applications. WebSpeedmaster CNC ported cylinder heads are machined on dedicated 4-axis and 5-axis CNC machining centers to ensure accuracy and cost effectiveness. I've blown my wallet on e-brocks in the past, so we'll see if I'm disappointed this summer. 1970 Olds Cutlass S,9.5 to 1 358,Gen 3 Edelbrock,400Hp/Tq,Mahle 1mm pistons, Molnar rods,ARP,330 forged crank, 218/218 .541/.541 112 LSA roller cam, shorty headers,2.5" duals,X pipe, Superturbo's,2350 stall,TH2004R,3.08 Type "O". From basic "Hot-Rod" mild cylinder head porting for that street and strip machine to all out class competition machines where every horsepower matters, you're in good hands with CFM Performance! Coming along slowly.. it's a long winter. Not a lot of flow yet as there's no real work in them yet They're going on a 461, cn crank, stock rods, arp head, rod, main bolts. Virtually every set of Procomps I sell/install get 2.125 intakes because the bowls are more conducive to that valve size. Many variables will be included in your engines blueprinting process such as; type of camshaft, crankshaft, cylinder head porting and polishing, multi angle valve jobs, balancing, intake (port matching), pistons etc. This method brings you pretty close. &6E'dtU7()euFVfvGWgw8HXhx9IYiy*:JZjz ? The same goes for the intake and exhaust ports on the muscle-car-era castings. Using the experience he gained while racing in the NMCA and supporting his customers all over the world, Wise made the decision to investigate a new design that would provide some room for growth and the Z heads are the result. Tomato Varieties: From Determinate to Indeterminate & Dark to Yellow Research Your Options Before Planting! to grow your business. Much like a Pontiac engine, WPE makes use of a valley tray with their design that is installed in the lifter valley to allow for intake installation and removal without affecting the cooling system. This ensures that the valve free-drop and combustion-chamber depth is even. The oldest castings (used on the 1965 400 to 425-ci engines) have the letter A, and the latest big-block production castings have the letter J. My #6 heads probably flow close to the first numbers. Once cookies are enabled please refresh the current page. 1 ROCKET Heads are available with bronze guides and iron seats, with a beryllium-copper seat available for max-effort applications. O-rings can be installed in the head or the block, but preferably in the cylinder head. Oldsmobile small-block cylinder heads have a number, like this popular number-7 casting cylinder head. Item is a matched pair of 1967-68-69 OldsmobileC code cylinder heads that have been stripped and prepped for a performance rebuild. Comes completely assembled with roller cam springs speced out For the more serious street application, the SuperStreet Series boasts high quality intake and exhaust valves and valve springs suited for daily drivers and tough street machines. It is also known as Radiator Charlies Mortgage Lifter, after Charles Byles (1890-1976), an auto mechanic, This website uses cookies for functionality, analytics and advertising purposes as described in our, http://www.xsrpms.com/dragnet/rides/napier/index.html. I sent the head out to them and had them build their complete shaft-style rocker system on it. When it comes to yellow tomatoes, Carolina Gold is a popular determinate variety. Includes full porting and polishing of the inside of the intake manifold. Standard full port goes about 250cc and flows over 340 cfm. Makes buying a bare set less tempting. The traditional Oldsmobile V-8 is unique, in that both small- and big-block versions can share the same cylinder head castings. Newer Post . You must choose UPS Ground to help ensure your order arrives before Christmas. Pricing on the WPE Z head starts at $2,850 per pair for the Stage 1 design, with incremental prices increases as the user seeks to increase performance by choosing the Stage 2, 3 or 4 designs. Most Olds folks seem to prefer theC heads for their added performance and better flow. Valve profiling and flow sheet included. When milling your cylinder heads, make sure that the machine shop machines the deck surface parallel to the valve-cover rail. This factory iron big-block A cylinder head has the largest ports I have seen. After lots of trial and error, plenty of burned welding wire, measuring, testing, fitting, and hair-pulling, he finally settled on dimensions that made sense for the Olds platform, and would provide an opportunity for both street and race customers to step into the 21st century in terms of performance and airflow capability. WebOLDSMOBILE ALUMINUM HEADS 330,350,403,400,425,455. A street port job will open things up nicely. Wise based his Olds cylinder head development on the port shape of the venerable Chevrolet SB2 cylinder head design. Speedmaster cylinder heads offer great performance for less than it would cost to rebuild an old set. WebAll Speedmaster 18deg. For instructions on how to enable cookies, please see the help section of your browser. While many gardeners prefer the reliable production and compact size of determinates, others are drawn to the larger fruits and greater yields of indeterminates. I only use these on cast-iron head engines. Authorized dealer for all Holley products, Comp, Erson, Lunati cams, Mahle and RaceTec pistons. Complete w/ Brodix Severe Duty 2.375 2 Brodix Race Rite 365 -385RRX square port complete heads.