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Molding two designs into one proved more challenging than expected, but hard work and solid engineering principles made the Z head a reality. Joe Mondello and Racing are synonymous with each other. Factory trained on AEM and Holley EFI systems. Luckily, I saved all of my used ones and reused them by glass-bead cleaning them and gluing a .015-inch-thick soft copper wire around the raised combustion ring. 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. WebCompetition Components Now offers CNC Ported Cylinder heads for Oldsmobile Engines. In years past, I measured intake runner volume in a bunch of different-lettered iron cylinder heads, and found that the E castings were second in line to the J heads in small runner size. I have seen very slight water seepage on engines using aluminum heads. 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. For the best experience on our site, be sure to turn on Javascript in your browser. They are available for popular V8 engines. I wouldnt say these gaskets are the best choice for aluminum heads. Orlando Fl. First of all, I'm just a homegamer in the Oldsmobile cylinder head department. Another method of blocking the exhaust crossover is to machine a pocket on the intake side and press fit or silicone a piece of metal in there. 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. Estler's Mortgage Lifter tomato is one of the most popular heirloom varieties that is perfect for home gardeners. He has given over 50 years of technology & hands on experience to the sport of drag racing. A head with 180 or 185cc intake runners will work well on a typical 350 Chevy street engine that makes 400 to 450 horsepower. The Stage 1 head is fully CNC-machined and is delivered with 5/16-inch bronze valve guides and iron seats. CNC Ported heads eliminate human error and variation from port to port. The best head gasket in 98 percent of high-performance Oldsmobile applications is the Cometic MLS head gasket (multi-layer steel). When milling your cylinder heads, make sure that the machine shop machines the deck surface parallel to the valve-cover rail. 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. We use only quality name brand parts that we trust giving our customers a superior product for their money. 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. All of the small-block combustion chambers have roughly the same shape, but vary in volume. Stage I BP: $300 Our "street" port job - a minimum recommended porting stage. Stage I: $300 Complements any of the above mentioned port jobs. It'll pass anything except a gas station :-). All rights reserved. s !1AQa"q2B#R3b$r%C4Scs5D'6Tdt& Our race prepped heads use a 2.19 intake valve and are 244 cc runner. Web440 Olds Stroker Small Block Photos by Chris Hemer, Popular Hot Rodding The strong arm solution for weak-kneed 350s. For the racing weve done, there is no cylinder head out there that was worth anything, he explains. This essentially blends all of the casting in the head for improved flow. These heads were a good bang for the buck with room to grow vs the cam that I am running. 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. WebWhile your engine is apart we will make suggestions on increasing horsepower and torque. Dont ever let anyone tell you that you dont need a receiver groove in these copper head gasket/O-ring applications. flat head Ford along with 4 Stromberg Carbs, Edelbrock heads & manifold and of course, an Engle camshaft. 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. This website uses cookies to improve your experience. Combustion Chamber, Exhaust and Intake Ports all fully CNC machined for better flow. 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. 0000369701 00000 n When were done they flow just a bit better than your best numbers and work really well. Trust me, when the job is done properly, there arent any sealing issues in the highest-horsepower applications. They worked like a charm. Plus, you can turn up the horsepower even more by choosing heads with CNC-ported runners and chambers, CNC-profiled chambers and other enhancements. The cylinder head works by allowing the air-fuel mixture to enter one valve and the exhaust gas to exit the other. You do. The heads are making really good power. Some of our popular builds are: Edelbrock Performer RPM Olds Edelbrock Performer RPM (Stock & Super Stock) Contact Us 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. Specs . Includes port match. Contact us for your application and pricing. At my door for 2400$ Canukistan dollars (1830 us). 1979 2023 Speedmaster. Fully cnc'd. porting and polishing of the inside of the intake manifold. Climate change is one of the most pressing issues of our time, and its effects can be seen all around us. BTR stocks the commonly used thicknesses, and they are available in .027-, .030-, .036-, .040-, .045-, .051-, .060-, .065-, .071-, .074-, and .120-inch sizes. Competition valve job: $200 A must for improved flow. We'll send you the most interesting Dragzine articles, news, car features, and videos every week. U BEST OF ALL RAISED AND RELOCATED, SYMMETRICAL PORTS. They must line up perfectly to each other. Includes full porting and polishing of the inside of the intake manifold. We'll be back on Monday, January 3. THIS PACKAGE INCLUDES: 1 PAIR OF ROCKET RACING CYLINDER HEADS. We use cookies to provide you with the best possible user experience. WebPro-Port Raw heads are semi-machined with finished accessory, intake and exhaust flange bosses. Edelbrock Aluminum Cylinder Heads are ready to bolt on and go right out of the box. Heads Shop can be contacted via phone at (201) 223-2300 for pricing, hours and directions. Stage I PM: $300 Our "street" port job - a minimum recommended porting stage. This ensures that the valve free-drop and combustion-chamber depth is even. so, these are Pro Comps that got cleaned up a little? Continuing use of the site implies consent. The E castings are smaller than the others, but only by a few cubic centimeters. 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. Makes buying a bare set less tempting. For instructions on how to enable cookies, please see the help section of your browser. Even at that small 46-cc level, the cylinder head seemed to have adequate deck thickness for the 640 hp that the particular engine produced. Cookies are disabled. All rights reserved. Joe Mondello has set national records and won events over the years with both cars and boats. SpeedmasterTM kits bring together everything you need. Those Shelby Ford Cobras, 1st, 2nd, 3rd & 4th places respectively. 7Us.QW~?Y"6P-7Kv4z~hFseH.I>ZVb>U43T. I plan on finding a GT-40 upper and lower intake. When they do fail in these applications, it usually ruins something like the block or the cylinder head. Performance cylinder heads enhance the airflow into your engine, giving you improved power and torque. 0000363215 00000 n Once JavaScript is enabled please refresh the current page. By continuing to use our site, you agree to their use. Pricing is for traditional V-8 cylinder head pairs. 0.027" cometics, should be roughly 9.6-1. Most Olds folks seem to prefer theC heads for their added performance and better flow. Joseph Mondello passed away in April of 2011, but he will always be known for designing, building and providing us all with the best high performance products money can buy. &6E'dtU7()euFVfvGWgw8HXhx9IYiy*:JZjz ? You also have the option to opt-out of these cookies. Stock-type steel big-block Oldsmobile valves are available through SBI and other sources and are relatively inexpensive. Head or block O-ringing: Starting at $250, Address: 1035 Front Royal Dr. Indianapolis, IN 46227. 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. We also use third-party cookies that help us analyze and understand how you use this website. 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. Yes, they have a ton of potential but need some work to get there obviously. Porting at Home by Michael Lufty, All Chevy Head Wizard Joe Mondello offers tricks of the trade. Tomato Varieties: From Determinate to Indeterminate & Dark to Yellow Research Your Options Before Planting! 0000001449 00000 n DRILLED FOR 1/2" HEAD STUDS. Stage II: $500 Suggested porting for most intakes. Wise offers his expertise in setting up the cylinder heads per customer input and through the application of his 30-plus years of experience with the Oldsmobile platform. It looks like you could go huge on the exhaust ports, but I know that sometimes going too big actually kills velocity. 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. @ 213 mph at the 1969 Indy U.S. Nationals. You might need to go hotter or colder depending on your setup, but this is roughly equivalent to a R45S. WebOldsmobile 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. Rated 5.00 out of 5 $ Add to cart $ 995.00 Add to cart; Home; Parts. I dont really know, but when I have an issue with something, I dont use that product again. Project Murderous Overkill by Christian Hazel, JP Magazine The Mondello Monster. Very happy with the power made on the dyno with the Edelbrock Carbs. A good option for ported heads. 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. From there, Oldsmobile engineers took their shot at creating the best possible drag race head, and introduced the Oldsmobile Pro Stock head (PN 24502585). We also do 1,2,3,4,6,10, and 12 cylinder engine head work. And a very good head porter. This happens either because the combustion seal is compromised or the head does not sit flat due to improper machining. Stage III: $850 Our "strip" port job - the best bang for the buck. WebStage II: $500 Suggested porting for most intakes. They are available in .028 and .040 thicknesses. Pro-Port Raw heads are semi-machined with finished accessory, intake and exhaust flange bosses. 2023 CarTechBooks. This website uses cookies to improve your experience while you navigate through the website. The perfect cylinder head, designed for entry-level that results in great driveability, power and economy. SPRINGS,LOCKS, RETAINERS, STUDS,GUIDEPLATES, AND VALVES. Older Post 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. 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. Jason draws on over 15 years of experience in the automotive publishing industry, and collaborates with many of the industry's movers and shakers to create compelling technical articles and high-quality race coverage. 0000000680 00000 n Oldsmobile Top End Kits; Oldsmobile Aluminum heads; Oldsmobile Intake and fuel systems; Oldsmobile rotating systems; Camshafts and lifter sets; Oldsmobile roller rockers and pushrods; Includes port matching. 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. In the 1960s, Joe also worked part time for Carroll Shelby building the performance heads and engines that won the Le Mans Grand Prix. 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. JavaScript is disabled. 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). If you bolt a set of big-block heads on a small-block, its like bolting on a ported head. You have a direct, line of sight to the valve on both the intake and exhaust side. Sweet, Growing Peppers in Your Garden: Tips, Hardening Off and Soil Mix, Growing peppers is a great way to spice up your garden. This tells you if both heads are milled the same amount and if those decks are straight. Stage V: See below for pricing Our "race" port job- for all out racing and maximum horsepower situations. Exhaust. But I have not had a failure with these gaskets on cast-iron cylinder-head engines. 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. Joe Mondello began doing research & development work for Oldsmobile in 1968 and his ongoing commitment and dedication has merited him the name of Dr. The Edelbrock 455 Olds manifold bolts right on. The Oldsmobile V-8 engine is not dead, says engine builder Brad Wise of Wise Performance Engineering. We'll assume you're ok with this, but you can opt-out if you wish. They require that the decks be flat and smooth. Speedmasters 6-71 Street Supercharger kits can give you 45-55 percent more streetable power. 455 Olds to Go by Marlan Davis, Car Craft Joe Mondello builds a 500-horse 455 thats the Torque of the town. The nice job on these C heads came by pouring in melted aluminum from the port side and then porting the bowl properly. In those days, the shops clientele read like a Whos Who of drag racing greats. Bernard Mondello, Joes son, grew up surrounded by the richest heritage in drag racing history. We will safeguard your e-mail and only send content you request. Speedmaster El Rayo ignition system are designed for the enthusiast that is serious about performance but needs the small cap size due to space considerations when installed. ***CALL FOR PRICING DUE TO NATONAL SHORTAGE ON PARTS AND MATERIALS***CUSTOM - SPECIAL MACHINING or ENGINEERING BY QUOTE. Contact us for your application and pricing. Build your own custom newsletter with the content you love from Dragzine, directly to your inbox, absolutely FREE! These heads solve all of those problems, Wise explains. They are a clean sheet of paper design. Comes completely assembled with roller cam springs speced out Copper head gaskets get a bad rap from people, mostly because the O-ring job was performed incorrectly, allowing coolant into the engine. 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. Cookie Policy. Today, Chevrolet performance cylinder heads still utilize the identical combustion chamber, which Joe designed in the early 1960s known as the Posi-Flow chamber. The same goes for the intake and exhaust ports on the muscle-car-era castings. 0000000853 00000 n 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. I have not found any considerable difference between the castings, with the exception of the J heads. Submit your email to receive the latest stories and expert advice Those were the days when you started a race with a flag man starter, not a Christmas tree. The traditional Oldsmobile V-8 is unique, in that both small- and big-block versions can share the same cylinder head castings. Some of the key features include: Speedmaster CNC ported cylinder heads are machined on dedicated 4-axis and 5-axis CNC machining centers to ensure accuracy and cost effectiveness. These heads are capable of over 400 cfm airflow. The Sportsman Series offer high horsepower and excellent torque. We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. Assembly has been carried out at the Speedmasters TDS Department by the Head differential technician. Sure as heck not going to put that kind of money into my gravity laden iron turd heads. 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