The 1972 W-30 H heads are probably the rarest; the 1970 W-30 F heads are not quite as rare. I have seen many heads that have been milled unevenly, which throws everything off. 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. WebALL ROCKET RACING CYLINDER HEADS ARE BUILT PER CUSTOMER APPLICATION.PLEASE CALL TO ORDER. All rights reserved. Standard full port goes about 250cc and flows over 340 cfm. Mild porting (further blending with addition of chambers) same volume and flow jumps to about 315 cfm. Some of our popular builds are: Edelbrock Performer RPM Olds Edelbrock Performer RPM (Stock & Super Stock) Contact Us Tomato enthusiasts have long debated the merits of determinate versus indeterminate varieties. napier 948 243 1 Jan 22, 2020 #3 nice looking ride. Heads 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 deck thickness and stiffness required on the cylinder heads has to be determined according to the amount of horsepower the engine can produce. I have seen very slight water seepage on engines using aluminum 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 Speedmaster cylinder heads offer great performance for less than it would cost to rebuild an old set. Heads are available with bronze guides and iron seats, with a beryllium-copper seat available for max-effort applications. COMING SOON IS THE ROCKET RACING TUNNEL RAM FOR OUR RRP HEADS!!! FULL RADIUS CNC 75 CC CHAMBER TO PROMOTE COMPLETE COMBUSTION, STOCK APPEARING BOLT BOSES FOR ALTERNATORS, ETC. WebOLDSMOBILE ALUMINUM HEADS 330,350,403,400,425,455. A The phone number for Heads Shop is: (201) 223-2300. Porting Stage I PM: $300 Our "street" port job - a minimum recommended porting stage. This website uses cookies to improve your experience while you navigate through the website. 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This factory iron big-block A cylinder head has the largest ports I have seen. This website uses cookies to improve your experience. Trust me, when the job is done properly, there arent any sealing issues in the highest-horsepower applications. Theres enough material in and around the deck to handle that kind of power, he explains. Big race port is 300cc and hits 390 cfm. 0000001331 00000 n %PDF-1.3 % We use cookies to provide you with the best possible user experience. This tells you if both heads are milled the same amount and if those decks are straight. Eddies Performance Motors-High Performance Engines, Crate The famed Mondello-Matsubara Blown Fuel Altered won two National Events in the 1960s. Oldsmobile. In my experience, it seems that the rest of the factory cast-iron cylinder heads (A through H) are close enough in runner shape and size so that it does not really matter which one you select for your high-performance Oldsmobile project, especially if you are porting them. The stock cylinder head and other designs on the market are capable of flowing about 320 cfm, but above that, and above .650-inch lift, they become inefficient and the airflow becomes very turbulent because of the chamber design. Cylinder Head and Manifold Porting Services Joes first car was a 40 Ford coupe with a 303 c.i.d. Seen here are two angles of the intake port. WebPro-Port Raw heads are semi-machined with finished accessory, intake and exhaust flange bosses. DRILLED FOR 1/2" HEAD STUDS. ***CALL FOR PRICING DUE TO NATONAL SHORTAGE ON PARTS AND MATERIALS***CUSTOM - SPECIAL MACHINING or ENGINEERING BY QUOTE. 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. Head Build Kits include the following: Intake Valves, Exhaust Valves, Valve Spring Retainers, Valve Locks, Valve Springs, Valve Stem Seals, and Valve Spring Locators. Whether youre growing hot or sweet varieties, there are some important tips for success. Today, Chevrolet performance cylinder heads still utilize the identical combustion chamber, which Joe designed in the early 1960s known as the Posi-Flow chamber. So remember: J is for junk. Copyright 1999-2023 SteveSchmidtRacing.com. For the racing weve done, there is no cylinder head out there that was worth anything, he explains. We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. Giant Killer by Chris Hemer, Popular Hot Rodding Bigger isnt always better and Mondellos 307 Olds proves the point. We wanted to keep the design as close to OEM specs as possible so that guys could bolt these on using existing components, but have a chamber design thats modern. I wouldnt say these gaskets are the best choice for aluminum heads. Unsung Hero by Scott Parkhurst, Popular Hot Rodding The 403 Olds may be the most overlooked performance engine ever. Description Project Murderous Overkill by Christian Hazel, JP Magazine The Mondello Monster. Speedmaster has taken the guesswork out of top-end component selection by actually placing the top end components together in complete kits. While few would ever recommend bolting small-block heads on a big-block engine, using the big-block heads atop a small-block bottom end is a cool hot rod trick. v*UWb]v*U??~Z }e{XWU=_PF*+m (.__Z =j:S{O*>})Hu{Gl;bwyl8W8? The after numbers look close to what everyone says these head flow, interesting. Oldsmobile Top End Kits; Oldsmobile Aluminum heads; Oldsmobile Intake and fuel systems; Oldsmobile rotating systems; Camshafts and lifter sets; Oldsmobile roller rockers and pushrods; Until then, my serious engines are sealed by this method. They already have induction hardened seats and flow almost as good as C's. A good option for ported heads. It looks like you could go huge on the exhaust ports, but I know that sometimes going too big actually kills velocity. Complete w/ Brodix Severe Duty 2.375 2 Brodix Race Rite 365 -385RRX square port complete heads. Stage V: See below for pricing Our "race" port job- for all out racing and maximum horsepower situations. Coming along slowly.. it's a long winter. Web2- New Casting the 370 are factory ported cast from a 375X port this is a 2 new BB/C Pro Filer 385X racing heads. Combustion Chamber, Exhaust and Intake Ports all fully CNC machined for better flow. SPRINGS,LOCKS, RETAINERS, STUDS,GUIDEPLATES, AND VALVES. Bulletproof Big Blocks by Chris Hemer, Popular Hot Rodding If your 455 Olds needs a booster shot, then its time to call The Doctor. Heads Putting a higher flow head with 220cc runners on a relatively stock 350 would be going in the wrong direction. 455 Olds to Go by Marlan Davis, Car Craft Joe Mondello builds a 500-horse 455 thats the Torque of the town. If you have him do a full port job, you will not be disappointed. Hopefully somewhat impressive or at least an improvement over the small valve heads I pulled off. 0000001493 00000 n Yes, they have a ton of potential but need some work to get there obviously. 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. JFIF H H Adobe d@ dual-quad big block Chevrolet. Throttle response and power range from 1500 - 6500 RPM. This happens either because the combustion seal is compromised or the head does not sit flat due to improper machining. A Heads Shop is located at 4101 Bergen Turnpike, North Bergen, NJ 07047, A Heads Shop is open:Saturday: 8:00 AM - 8:00 AM Sunday: Closed Monday: 8:00 AM - 6:00 PM Tuesday: 8:00 AM - 6:00 PM Wednesday: 8:00 AM - 8:00 AM Thursday: 8:00 AM - 8:00 AM Friday: 8:00 AM - 8:00 AM. Estler's Mortgage Lifter tomato is one of the most popular heirloom varieties that is perfect for home gardeners. Oldsmobile Stage III: $850 Our "strip" port job - the best bang for the buck. 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. Heads Shop is located at 4101 Bergen Turnpike in North Bergen, New Jersey 07047. BEST OF ALL RAISED AND RELOCATED, SYMMETRICAL PORTS. ***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. Virtually every set of Procomps I sell/install get 2.125 intakes because the bowls are more conducive to that valve size. A street port job will open things up nicely. 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. Back in the mid to late-00s, Wise was racing his Olds in the NMCAs Pro Stock class using a set of warmed over old-school Batten cylinder heads, and he eventually came to the realization that if he wanted his combination to progress, he was going to have to do something about the induction system, as the Batten heads were, for lack of a better term, tapped out. 0000001449 00000 n Factory trained on AEM and Holley EFI systems. I dont know whether the power levels just happened to be greater on the aluminum-headed engine, making that the ultimate cause of failure, or the fact that the heads were made of aluminum. There is a spacer system to make everything work with a big-block Olds. Wise Performance Engineering's Oldsmobile 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. With 70cc chambers built into the heads from the beginning, the heads handle street performance, but Wise explains that users looking to use them in more aggressive combinations can knock down the chamber dimension by decking the cylinder head and build some compression into the engine. The combustion chamber in the WPE Z head mimics the design of the SB2, as do the exhaust ports. 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. If its a 383 stroker, you can probably go with 200cc intake runners. 7Us.QW~?Y"6P-7Kv4z~hFseH.I>ZVb>U43T. 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. And a very good head porter. Comes completely assembled with roller cam springs speced out These cookies do not store any personal information. Get Heads Shop can be contacted at (201) 223-2300. When performing the O-ring and receiver-groove operation, location of the O-ring and receiver groove is absolutely important. These heads are capable of over 400 cfm airflow. Edelbrock Aluminum Cylinder Heads are ready to bolt on and go right out of the box. Climate change is one of the most pressing issues of our time, and its effects can be seen all around us. 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. Copper head gaskets get a bad rap from people, mostly because the O-ring job was performed incorrectly, allowing coolant into the engine. 365-385 ports. $3795. Stage II: $550 Our "street/strip" port job - for those on a budget. Tomato Varieties: From Determinate to Indeterminate & Dark to Yellow Research Your Options Before Planting! You also have the option to opt-out of these cookies. Oldsmobile 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. From Street to Race ready performance, weve got it all covered, Weve done all the hard work for you. Mated with the fuel injection, it starts right up, has a nice raspy idle and great throttle response., 572 HEMI in a 64 Dodge 440 - Best Machine Racing Engines built the engine - we chose the Edelbrock heads as they were impressive castings with great finish and flow right out of the box! Assembly has been carried out at the Speedmasters TDS Department by the Head differential technician. Item is a matched pair of 1967-68-69 OldsmobileC code cylinder heads that have been stripped and prepped for a performance rebuild. Edelbrocks Pro-Port Raw Cylinder Heads are purpose-engineered castings for custom racing engines. Reusing this cam for this year. EDELBROCK CYLINDER HEADS Flow testing: $100 Flow testing of one intake and exhaust - performed on our custom built bench at 28" of depression with flow sheet provided. The Other 350s: Oldsmobile by Marlan Davis, Car Craft The Olds 350s design specs offer ample performance potential. 0000363215 00000 n Traco Engineering, known at the time for extremely fast Indy cars and various sprint cars, utilized Mondello heads exclusively. Oldsmobile heads are available with OEM sparkplug location. Wow the before the bowl work they are far from impressive. Starting with the right soil and conditions can make all the difference when it comes to germination and transplanting of pepper seedlings. Ported When were done they flow just a bit better than your best numbers and work really well. Not intended for street application. Most Olds folks seem to prefer theC heads for their added performance and better flow. As with any major engineering project, it wasnt so simple as just measuring the dimensions and transferring them over to a new casting. Molding two designs into one proved more challenging than expected, but hard work and solid engineering principles made the Z head a reality. Includes full porting and polishing of the inside of the intake manifold. Mondello Performance Products, Inc. 1103 Paso Robles Street Paso Robles, California 93446, Toll Free Order Line: 877-322-4489 (Ordering with part numbers only). 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. These cylinder heads can certainly be made better with some work, but it is generally best to use the older castings. Includes bowl port. I have milled factory iron, Batten, and Edelbrock Performer RPM heads as much as .100 inch for certain applications. Speedmasters 6-71 Street Supercharger kits can give you 45-55 percent more streetable power. 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. 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. ALL ROCKET RACING CYLINDER HEADS ARE BUILT PER CUSTOMER APPLICATION.PLEASE CALL TO ORDER. 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. Valve covers, fuel-injection-capable 4bbl-style intake manifolds, and other parts to install the cylinder heads are also available. The most desirable small-block Olds cylinder heads are the number-6 and number-7 castings. They are available in .028 and .040 thicknesses. CNC ported w/ 5 angle valve job. Stage III: See below for pricing Complements any head porting for maximum horsepower. We use only quality name brand parts that we trust giving our customers a superior product for their money. Unfortunately, they are not available anymore. Olds 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. This, Affordable Street Performance Applications, Select Performer Heads are 50-States Legal, Next-Level Street Performance Applications, High-Performance Street & Light Race Applications, Available in CNC Ported for Maximum HP/TQ, Raised Runners, Revised Chambers and Relocated Valves, Available with original Edelbrock script or block logo design, Available with raised-roof combustion chamber design for high-lift cams, Manufactured by the company that pioneered Flathead performance, The only heads designed specifically to accommodate almost any CNC port configuration, Hot Isostatic Pressing castings available for increased strength and density, Cast in the USA at Edelbrocks state-of-the-art foundry. 0000000853 00000 n Stage III: See below for pricing complements any head porting for maximum horsepower. A head with 180 or 185cc intake runners will work well on a typical 350 Chevy street engine that makes 400 to 450 horsepower. Includes cutting a back angle on the valves at a specific degree. 7/16"CAN BE USED WITH NO ISSUES AND DRILLED FOR 3/8" PUSHRODS. The Sportsman Series offer high horsepower and excellent torque. " ?~`?|-wR]6SK0[.@#Y8FljVlUU J@L>} 8 A_'kN}JMx!M*~_YkkRaKA;CQ=U ?1Y-o)K ?YyFAiW7WTI *" 2D?ks,P)k!PCo* \?+0%/rD_Bt!e{IlI!|U8?!> 8z~Uj^[#2P#^W$*UWQ -TeE9\ Includes the bowls, port match, and profiling of the combustion chambers. you have a ported head. Oldsmobile These gaskets are pretty much available in any thickness and bore size when you custom-order them. Newer Post . The cylinder head works by allowing the air-fuel mixture to enter one valve and the exhaust gas to exit the other. They require that the decks be flat and smooth. They did change quite a bit in the later smog engine years. Sure as heck not going to put that kind of money into my gravity laden iron turd heads. Stage I BP: $300 Our "street" port job - a minimum recommended porting stage. JavaScript is disabled. Of all the factory iron heads I have played with, I have found the A heads to be the best in stock form. With a range of 77 cc to 46 cc, you should have a variety of compression ratios available for your simple mill job. Oldsmobile Aluminum heads Olds Oldsmobile Valve profiling and flow sheet included. Submit your email to receive the latest stories and expert advice The first 7,6 & 5 second Top Fuel runs and the first 200 mph runs in Top Gas, Top Fuel, Injected Fuel, Fuel Altered were all accomplished using Mondello cylinder heads and Don Garlits set most of these records, making Mondello the most notable, historically recognized heads. porting and polishing of the inside of the intake manifold. THESE ARE THE ABSOLUTE BEST PRODUCTION AND TRACK PROVEN CYLINDER HEADS AND INTAKE YET FOR OLDSMOBILES. 1 ROCKET COMPLETE READY TO BOLT ON. Oldsmobile small-block cylinder heads have a number, like this popular number-7 casting cylinder head. CHECK OUT THESE OUTSTANDING FEATURES: RAISED EXHAUST PORTS THAT ACCEPT STANDARD FLANGES. 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. Exhaust. 0000000680 00000 n Head Porting At Home by Marlan Davis, Car Craft Professionally prep your own heads with Mondellos home porting kit. 0.027" cometics, should be roughly 9.6-1. Those were the days when you started a race with a flag man starter, not a Christmas tree. WebThe Olds head can gain about 80% of its total potential flow by matching ports on intake and exhaust side (yes grind out those headers), removing A.I.R. When they do fail in these applications, it usually ruins something like the block or the cylinder head. 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. Mike Stark CFM speedmaster heads WebWhile your engine is apart we will make suggestions on increasing horsepower and torque. You might need to go hotter or colder depending on your setup, but this is roughly equivalent to a R45S. Joe celebrated over 40 years in the high performance manufacturing industry. Includes a multi-angle or radius Serdi cut valve job on both heads (seat cutting only). As well as port matching. 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. Includes full But I have not had a failure with these gaskets on cast-iron cylinder-head engines. To learn more, view our The oldest castings have a lower number and the latest production castings have a higher number. Performance cylinder heads enhance the airflow into your engine, giving you improved power and torque. Knowton's Thunderheads & Racing Engines || KTREstore.com We also do 1,2,3,4,6,10, and 12 cylinder engine head work. 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. Feel free to contact us for any custom quotes. They definitely have the smallest runners of the bunch, and are a poor choice for performance use, even with porting. First of all, I'm just a homegamer in the Oldsmobile cylinder head department. Golden Rules of Porting Cylinder Heads - Part Your One Stop Shop For Olds Performance Products. The obsolete factory Oldsmobile big-block .017-inch-thick steel shim gasket worked very well in my 11:1-compression NHRA Stock Eliminator engine. The first step is to understand the causes of climate change and how we can reduce our impact on the environment. I only use these on cast-iron head engines. Heads come with 5 angle valve job. 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. Bulldog 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.

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