The impetus for the design came from, of all places, a look at the Chevrolet SB2-style cylinder head and its excellent-flowing, modern combustion chamber and port design. In order to shop on this Web store, you must have JavaScript enabled. NO WATER BY PORTS SO PORTING IS INFINITE. U I had those sitting here, and took a look at the chamber design and the shape. 1 PAIR OF ROCKET RACING CYLINDER HEADS. This modification is easily performed during the valve-job operation and turns an old, rusty, worn-out cylinder head with pitted seats into a set that is in brand-new condition. 0000001469 00000 n Joe Mondello has set national records and won events over the years with both cars and boats. Includes complete reshaping of the intake and exhaust ports. We'll assume you're ok with this, but you can opt-out if you wish. These cookies do not store any personal information. From there, Oldsmobile engineers took their shot at creating the best possible drag race head, and introduced the Oldsmobile Pro Stock head (PN 24502585). Most Olds folks seem to prefer theC heads for their added performance and better flow. The store will not work correctly in the case when cookies are disabled. Mild porting (further blending with addition of chambers) same volume and flow jumps to about 315 cfm. Includes full Burning fossil fuels for energy rel, Estlers Mortgage Lifter: An Heirloom Tomato Variety Perfect for Home Gardeners, Gardening is an enjoyable and rewarding hobby that many people enjoy. COMPLETE READY TO BOLT ON. Some of our popular builds are: Edelbrock Performer RPM Olds Edelbrock Performer RPM (Stock & Super Stock) Contact Us In the early 1950s, before Joe was 17 years old, he had already ported & relieved more than 50 Ford flat head blocks for the finest engine builders of that era. as well as profiling of the combustion chambers. When performing the O-ring and receiver-groove operation, location of the O-ring and receiver groove is absolutely important. By continuing to use our site, you agree to their use. Fully cnc'd. Newer Post . Combustion Chamber, Exhaust and Intake Ports all fully CNC machined for better flow. Always remember, at Mondellos you get what you pay for: Horsepower, not promises. CNC ported w/ 5 angle valve job. In 1951, Joe was racing at airports and drag strips throughout Southern California. Submit your email to receive the latest stories and expert advice The ultimate setup in cylinder sealing is the copper head gasket with a stainless O-ring embedded into the cylinder head, with a corresponding receiver groove machined in the block. WebOldsmobile Cylinder Head Porting larger image We can machine, install upgraded components and port your Oldsmobile cylinder heads. Wow the before the bowl work they are far from impressive. 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. Stage I PM: $300 Our "street" port job - a minimum recommended porting stage. You also have the option to opt-out of these cookies. Cookies are disabled. 0000001331 00000 n The 1972 W-30 H heads are probably the rarest; the 1970 W-30 F heads are not quite as rare. @ 213 mph at the 1969 Indy U.S. Nationals. This happens either because the combustion seal is compromised or the head does not sit flat due to improper machining. All of the great drag race cars ran with Mondello. I have had various issues with them. 2023 CarTechBooks. hump in the exhaust port, clean up of the bowl area behind the valve seat, and tear 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. All of the small-block combustion chambers have roughly the same shape, but vary in volume. Valve covers, fuel-injection-capable 4bbl-style intake manifolds, and other parts to install the cylinder heads are also available. A street port job will open things up nicely. JavaScript is disabled. Using only high-grade components, our team of machinists and engineers with 40+ years experience get the job done with quick turnaround time and proven precision and assured quality control. cool, thanks for sharing. Includes full porting and polishing of the inside of the intake manifold. Description As well as port matching. This tells you if both heads are milled the same amount and if those decks are straight. WebCompetition Components Now offers CNC Ported Cylinder heads for Oldsmobile Engines. These specially designed heads are unported and feature extra-thick decks, under-sized intake and exhaust runners, and increased wall thickness that allow professional head porters and engine builders to perform custom CNC porting and other modifications. The Oldsmobile factory-production small-block cylinder heads are identified by a number cast into the front lower portion of the head next to the number-1 and number-8 cylinders. CFM Performance Copyright 2023 - All Rights Reserved. Terms|Privacy, Oldsmobile Motor Cylinder Head Guide | CarTech. This new head features a modern 77cc combustion chamber, new larger 2.150 intake valve and updated ports for improved flow Competition valve job: $200 A must for improved flow. But opting out of some of these cookies may have an effect on your browsing experience. 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. Specs . COMPLETE READY TO BOLT ON. Our EFI systems provide excellent throttle response throughout the RPM range along with smooth engine operation. 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. The perfect cylinder head, designed for entry-level that results in great driveability, power and economy. CNC combustion chambers offer superior control over flame travel and quench area. Corteco makes some high-quality gaskets. // Ported Item is a matched pair of 1967-68-69 OldsmobileC code cylinder heads that have been stripped and prepped for a performance rebuild. Jiffy peat pellets are a popular choice for starting tomatoes, but they can also be used for peppers. Get Heads Shop can be contacted at (201) 223-2300. Head Porting At Home by Marlan Davis, Car Craft Professionally prep your own heads with Mondellos home porting kit. Some manifolds may not have enough material and runner volume to match, but the Edelbrock Victor (PN 2812) does. I sent the head out to them and had them build their complete shaft-style rocker system on it. 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. The series ended there. 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. flat head Ford along with 4 Stromberg Carbs, Edelbrock heads & manifold and of course, an Engle camshaft. THESE ARE THE ABSOLUTE BEST PRODUCTION AND TRACK PROVEN CYLINDER HEADS AND INTAKE YET FOR OLDSMOBILES. But I have not had a failure with these gaskets on cast-iron cylinder-head engines. 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. 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. The after numbers look close to what everyone says these head flow, interesting. Installing these larger valves should be standard procedure, even for stock rebuilds. WebEdelbrock RPM Olds 455 Head Porting HeavyOlds 268 subscribers 642K views 15 years ago The scariest thing I ever did was port a set of new Edelbrock aluminum cylinder heads. WebALL ROCKET RACING CYLINDER HEADS ARE BUILT PER CUSTOMER APPLICATION.PLEASE CALL TO ORDER. When milling your cylinder heads, make sure that the machine shop machines the deck surface parallel to the valve-cover rail. 0000369701 00000 n THESE HEADS WILL HAVE 2.190 INTAKE AND 1.72 EXHAUST VALVES. Stage III: See below for pricing Complements any head porting for maximum horsepower. We use cookies to provide you with the best possible user experience. 0000001449 00000 n We designed the cylinder head on paper for a max-effort race application, but what weve done is detuned it so that it works well for the street guy. Virtually every set of Procomps I sell/install get 2.125 intakes because the bowls are more conducive to that valve size. WebOLDSMOBILE ALUMINUM HEADS 330,350,403,400,425,455. 0000369626 00000 n We then basically put those dimensions into our cylinder head, and then worked around the port and chamber dimensions to make everything fit within in Oldsmobile platform, he says. By raising everything up, we now have a cylinder head that flows just as good as the SB2 or R07 or anything else out there, explains Wise. Heads Shop can be contacted via phone at (201) 223-2300 for pricing, hours and directions. v*UWb]v*U??~Z }e{XWU=_PF*+m (.__Z =j:S{O*>})Hu{Gl;bwyl8W8? A good option for ported heads. We'll send you the most interesting Dragzine articles, news, car features, and videos every week. Competition-ready heads feature fully CNC machined combustion chambers and blended seats for increased air flow and well as revised exhaust valve angles for larger intake valves. 0000000607 00000 n Now, Wise Performance Engineering has developed the Oldsmobile Z cylinder head, based on hundreds of hours of research and development time. They prefer warmer temperatures and drier, Take Action Now: How You Can Fight Climate Change and Protect Our Environment, The Effects of Climate Change on Our Environment The big-block and diesel engine blocks also used a 3.000-inch main bearing diameter over the small-blocks main bearing dimension of 2.500-inch. The most common modification done to these small-block Olds castings is to install the 2.000-inch-diameter intake and 1.625-inch- exhaust valves from the big-block. I have not found any considerable difference between the castings, with the exception of the J heads. Rated 5.00 out of 5 $ Add to cart $ 995.00 Add to cart; Home; Parts. Trust me, when the job is done properly, there arent any sealing issues in the highest-horsepower applications. 23 0 obj << /Linearized 1 /O 25 /H [ 680 173 ] /L 1192708 /E 370195 /N 3 /T 1192130 >> endobj xref 23 13 0000000016 00000 n 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. CUSTOM ENGINEERED GUIDEPLATES FOR THE ABSOLUTE BEST ALIGNMENT. Of all the factory iron heads I have played with, I have found the A heads to be the best in stock form. Dont stress out over the finish; just leave no rough cuts. We designed this stuff a few years ago, and just recently put them into production and have had some great results out of them. The factory Olds cylinder head uses a 6-degree valve angle in an inline arrangement, and his decision to keep the new design to where it would work for both street and race-type applications presented plenty of challenges. I dont really know, but when I have an issue with something, I dont use that product again. We'll be back on Monday, January 3. Traco Engineering, known at the time for extremely fast Indy cars and various sprint cars, utilized Mondello heads exclusively. 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. Putting a higher flow head with 220cc runners on a relatively stock 350 would be going in the wrong direction. ***CALL FOR PRICING DUE TO NATONAL SHORTAGE ON PARTS AND MATERIALS***CUSTOM - SPECIAL MACHINING or ENGINEERING BY QUOTE. Very happy with the power made on the dyno with the Edelbrock Carbs. WebPro-Port Raw heads are semi-machined with finished accessory, intake and exhaust flange bosses. 7Us.QW~?Y"6P-7Kv4z~hFseH.I>ZVb>U43T. Extremely aggressive , suited for next level all-out competition. The EX port is really good. WebStage II: $500 Suggested porting for most intakes. CNC combustion chambers offer superior control over flame travel and quench area. 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. They did change quite a bit in the later smog engine years. Speedmaster cylinder heads offer great performance for less than it would cost to rebuild an old set. I'm sure I'll get flamed for not using e-brocks anyways.. I only use these on cast-iron head engines. THIS PACKAGE INCLUDES: 1 PAIR OF ROCKET RACING CYLINDER HEADS. A head with 180 or 185cc intake runners will work well on a typical 350 Chevy street engine that makes 400 to 450 horsepower. Performance cylinder heads enhance the airflow into your engine, giving you improved power and torque. 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". Some of our popular builds are: Edelbrock Performer RPM Olds Edelbrock Performer RPM (Stock & Super Stock) Contact Us All rights reserved. Standard full port goes about 250cc and flows over 340 cfm. With a range of 77 cc to 46 cc, you should have a variety of compression ratios available for your simple mill job. Hopefully somewhat impressive or at least an improvement over the small valve heads I pulled off. Coming along slowly.. it's a long winter. We also use third-party cookies that help us analyze and understand how you use this website. If you get a set of roller rockers that don't require any machine work to install, you can put them on We will safeguard your e-mail and only send content you request. During the early 70s, this winning father-son combination went to work at the Parker Dam 9 hour enduro, winning the Jet Boat class with an Olds 455 in 1972 and in 1975 & 1976, back to back wins with a 500 c.i.d. From extreme weather events such as droughts, floods, and wildfires to the melting of polar ice caps and rising sea levels, it's clear that our planet is in trouble. ***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. Bernard Mondello, Joes son, grew up surrounded by the richest heritage in drag racing history. 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. Exhaust. 0000001493 00000 n Oldsmobile heads are available with OEM sparkplug location. Continuing use of the site implies consent. The oldest castings have a lower number and the latest production castings have a higher number. 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. When a Top Fuel car uses a method other than this to seal combustion pressure, Ill try it. Our race prepped heads use a 2.19 intake valve and are 244 cc runner. Our office will be closed December 31. Options include stainless or titanium valves, beryllium valve seats, and a T&D 1.7:1 or 1.8:1 shaft rocker system thats been developed specifically for this application. CNC HEADS ARE AVAILABLE FULLY CNC PORTED AT AN ADDITIONAL COST. Bulletproof Big Blocks by Chris Hemer, Popular Hot Rodding If your 455 Olds needs a booster shot, then its time to call The Doctor. SpeedmasterTM kits bring together everything you need. SPRINGS,LOCKS, RETAINERS, STUDS,GUIDEPLATES, AND VALVES. These heads are capable of over 400 cfm airflow. 0.027" cometics, should be roughly 9.6-1. They include almost everything you need to make serious horsepower. Orlando Fl. This website uses cookies to improve your experience. NO HEAD BOLT HOLES TO DEAL WITH WHEN PORTING. 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. Throttle response and power range from 1500 - 6500 RPM. Molding two designs into one proved more challenging than expected, but hard work and solid engineering principles made the Z head a reality. Heads Shop is located at 4101 Bergen Turnpike in North Bergen, New Jersey 07047. RRP ROCKER STUD GIRDLES ARE AVAILABLE FOR ROCKET RACING CYLINDER HEADS. porting and polishing of the inside of the intake manifold. For the best experience on our site, be sure to turn on Javascript in your browser. Also available from WPE are exhaust flanges, valley trays, and every other part youll need for installation. Speedmaster crate engines have become a huge success all over the world. Includes bowls and intake opening port match. 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 The Sportsman Series offer high horsepower and excellent torque. The 2 columns are a before and after bowl porting/blending. These castings are undesirable for performance use. 0000000853 00000 n Cam is an old grind, smaller base circle 234/244 .520 .542. USES OLDSMOBILE HARLAND SHARP ROCKERS OR COMPARABLE. 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. ROLLER CAMSHAFT ..Call for pricing, SOLID ROLLER CAMSHAFT Call for pricing, CNC PORTED CYLINDER HEADSCall for pricing. Milling cylinder heads for increased compression is a relatively easy operation because Oldsmobile cylinder heads are square and can easily be cut without any special fixturing. Rocker arms and other supplemental parts increase the price as well. It'll pass anything except a gas station :-). 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. If you have him do a full port job, you will not be disappointed. The Other 350s: Oldsmobile by Marlan Davis, Car Craft The Olds 350s design specs offer ample performance potential. WebPorting an Oldsmobile Small Block Head 2,618 views Sep 9, 2021 57 Dislike Share Junk Dump 352 subscribers Watch me port an Oldsmobile small block head. Combustion Chamber, Exhaust and Intake Ports all fully CNC machined for better flow.

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