Bulletproof Big Blocks by Chris Hemer, Popular Hot Rodding If your 455 Olds needs a booster shot, then its time to call The Doctor. I had those sitting here, and took a look at the chamber design and the shape. 2023 CarTechBooks. It looks like you could go huge on the exhaust ports, but I know that sometimes going too big actually kills velocity. Build your own custom newsletter with the content you love from Dragzine, directly to your inbox, absolutely FREE! 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. 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. The traditional Oldsmobile V-8 is unique, in that both small- and big-block versions can share the same cylinder head castings. I have seen very slight water seepage on engines using aluminum heads. 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. I have not found any considerable difference between the castings, with the exception of the J heads. This website uses cookies to improve your experience while you navigate through the website. Our EFI systems provide excellent throttle response throughout the RPM range along with smooth engine operation. Churn out all the asphalt-chewing, road-grating horsepower you want with our massive selection of rotating assemblies! Heads are available with bronze guides and iron seats, with a beryllium-copper seat available for max-effort applications. 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. 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. 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. If you bolt a set of big-block heads on a small-block, its like bolting on a ported head. THESE ARE THE ABSOLUTE BEST PRODUCTION AND TRACK PROVEN CYLINDER HEADS AND INTAKE YET FOR OLDSMOBILES. Speedmaster cylinder heads offer great performance for less than it would cost to rebuild an old set. Trust me, when the job is done properly, there arent any sealing issues in the highest-horsepower applications. Includes full Bolt on a set of Speedmaster's fully assembled cylinder heads for instant power gains. Whats The Reason Enthusiasts Cant Get, Full Factory Tour: How Edelbrock Makes Its Cast Aluminum, High-Performance Racing Fasteners: How ARP Fasteners Are, Dobbins Clocks First 3-Second Mountain Motor Pro Stock, BirdDoc: The Six-Speed GT500 Record Holder And Its High Flying, Video: Installation Time-Lapse Of The Fresh New 3M Wrap On, Drag Pak Racer AJ Berge To Fly Iconic RAMCHARGERS Colors In 2023, 2003 Cobra Runs 8-Second Pass With Whipple, IRS, And A T-56, Moser Performance Girdles Add Rearend Strength To Your Third-Member, New Season Of Street Outlaws: Fastest in America Debuts March 13, Retro Injection: Modern Fuel Injector Tech Gives Us Room To Grow, How We Fixed The Unsightly Wheel Gap And Stance On Our 2010 Camaro, Lizzy Musi Preparing For Street Outlaws: No Prep Kings Season 6. 0.027" cometics, should be roughly 9.6-1. Putting a higher flow head with 220cc runners on a relatively stock 350 would be going in the wrong direction. In the 60s & 70s, this was the fastest wedge-head Chevrolet, running a 7.24 E.T. They did change quite a bit in the later smog engine years. Olds Oldsmobile 1969 BareC Heads / 455 / XLNT! s !1AQa"q2B#R3b$r%C4Scs5D'6Tdt& These MLS gaskets are made to order from Cometic and take about four weeks to produce. Developed by William Estler in the 1940s, this tomato is known for its large size, sweet flavor, and disease resistance. Once cookies are enabled please refresh the current page. If you have him do a full port job, you will not be disappointed. Joe Mondello has set national records and won events over the years with both cars and boats. Flow testing: $100 Flow testing of one intake and exhaust - performed on our custom built bench at 28" of depression with flow sheet provided. This website uses cookies to improve your experience. Not intended for street application. That gasket performed very well at 11:1 compression and I never had a gasket failure. THIS IS JUST A SAMPLING OF THE MANY FEATURES THESE HEADS HAVE. Installing these larger valves should be standard procedure, even for stock rebuilds. Any time you force air to flow along a particular path, the total flow almost certainly drops. 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. They are a clean sheet of paper design. ROLLER CAMSHAFT ..Call for pricing, SOLID ROLLER CAMSHAFT Call for pricing, CNC PORTED CYLINDER HEADSCall for pricing. Valve Profiling: $50 Produces dramatic increases in low lift flow. Bernard Mondello, Joes son, grew up surrounded by the richest heritage in drag racing history. FEATURES INCLUDE: 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 Oldsmobile. WebPro-Port Raw heads are semi-machined with finished accessory, intake and exhaust flange bosses. 0000000833 00000 n
As with any major engineering project, it wasnt so simple as just measuring the dimensions and transferring them over to a new casting. These cookies will be stored in your browser only with your consent. WebStage II: $500 Suggested porting for most intakes. Stock-type steel big-block Oldsmobile valves are available through SBI and other sources and are relatively inexpensive. 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. Notice the shape of the port under the intake seat. As well as port matching. flat head Ford along with 4 Stromberg Carbs, Edelbrock heads & manifold and of course, an Engle camshaft. Cookies are disabled. They include almost everything you need to make serious horsepower. All rights reserved. Very happy with the power made on the dyno with the Edelbrock Carbs. Includes the bowls, port match, and profiling of the combustion chambers. Rebuilding Your First Engine by Joe Mondello This is a six part article with step-by-step instructions. Wow the before the bowl work they are far from impressive. JavaScript is disabled. TORRANCE, CA Edelbrock has heard the requests from the Oldsmobile faithful and is responding by releasing a new and improved Performer RPM Cylinder Head for the Big Block Oldsmobile V8. These cylinder heads can certainly be made better with some work, but it is generally best to use the older castings. Web440 Olds Stroker Small Block Photos by Chris Hemer, Popular Hot Rodding The strong arm solution for weak-kneed 350s. Includes full porting and polishing of the inside of the intake manifold. Cookie Policy. WebShop Oldsmobile vehicles in Rahway, NJ for sale at Cars.com. 0000369682 00000 n
SPRINGS,LOCKS, RETAINERS, STUDS,GUIDEPLATES, AND VALVES. You do. ***CALL FOR PRICING DUE TO NATONAL SHORTAGE ON PARTS AND MATERIALS***CUSTOM - SPECIAL MACHINING or ENGINEERING BY QUOTE. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are as essential for the working of basic functionalities of the website. The 1972 W-30 H heads are probably the rarest; the 1970 W-30 F heads are not quite as rare. O-rings can be installed in the head or the block, but preferably in the cylinder head. Estler's Mortgage Lifter tomato is one of the most popular heirloom varieties that is perfect for home gardeners. Our Cylinder Heads are built and assembled in-house at our facility in California. 1101 W. Rialto Ave. Rialto, CA 92376, USA+1 (310) 361-0020, 23 Mount Erin Rd,Blair Athol NSW 2560, Australia+61 2 9607 2299. NO HEAD BOLT HOLES TO DEAL WITH WHEN PORTING. Stage III: See below for pricing Complements any head porting for maximum horsepower. This car is called the Hefty HEMI and will compete in the NMCA - Nostalgia Super Stock class! A street port job will open things up nicely. WebOldsmobile Cylinder Head Porting larger image We can machine, install upgraded components and port your Oldsmobile cylinder heads. Good middle of the road plug, not too expensive, high quality, regularly stocked everywhere. They are available in .028 and .040 thicknesses. Copper head gaskets get a bad rap from people, mostly because the O-ring job was performed incorrectly, allowing coolant into the engine. I sent the head out to them and had them build their complete shaft-style rocker system on it. 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. 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. Joes worldwide clientele bears this axiom out; using Mondello heads & engines, they have set every type of record imaginable. 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. 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. // Ported. WebOldsmobile Cylinder Head Porting larger image We can machine, install upgraded components and port your Oldsmobile cylinder heads. Pro Sportsman Porting Work- Call for Pricing! Theres enough material in and around the deck to handle that kind of power, he explains. 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 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. 0000001449 00000 n
The combustion chamber in the WPE Z head mimics the design of the SB2, as do the exhaust ports. CFM Performance Copyright 2023 - All Rights Reserved. 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. 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. no cnc job or significant port work? THIS PACKAGE INCLUDES: 1 PAIR OF ROCKET RACING CYLINDER HEADS. The Stage 1 head is fully CNC-machined and is delivered with 5/16-inch bronze valve guides and iron seats. One such individual is Brad Wise of Wise Performance Engineering. 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! Speedmaster crate engines have become a huge success all over the world. Authorized dealer for all Holley products, Comp, Erson, Lunati cams, Mahle and RaceTec pistons. napier 948 243 1 Jan 22, 2020 #3 nice looking ride. you have a ported head. While many gardeners prefer the reliable production and compact size of determinates, others are drawn to the larger fruits and greater yields of indeterminates. All of the great drag race cars ran with Mondello. A Heads Shop has a 4.0 Star Rating from 4 reviewers. For the ultimate in Street Performance, look no further than the Outlaw Series. The after numbers look close to what everyone says these head flow, interesting. The same goes for the intake and exhaust ports on the muscle-car-era castings. The obsolete factory Oldsmobile big-block .017-inch-thick steel shim gasket worked very well in my 11:1-compression NHRA Stock Eliminator engine. But I have not had a failure with these gaskets on cast-iron cylinder-head engines. If you get a set of roller rockers that don't require any machine work to install, you can put them on WebALL ROCKET RACING CYLINDER HEADS ARE BUILT PER CUSTOMER APPLICATION.PLEASE CALL TO ORDER. Those Shelby Ford Cobras, 1st, 2nd, 3rd & 4th places respectively. FULL RADIUS CNC 75 CC CHAMBER TO PROMOTE COMPLETE COMBUSTION, STOCK APPEARING BOLT BOSES FOR ALTERNATORS, ETC. 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. We also do 1,2,3,4,6,10, and 12 cylinder engine head work. 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. Just bolt on a set of complete heads for instant power - cos we've done all the hard work for you! We use cookies to provide you with the best possible user experience. All rights reserved. v*UWb]v*U??~Z }e{XWU=_PF*+m (.__Z
=j:S{O*>})Hu{Gl;bwyl8W8? Stage I BP: $300 Our "street" port job - a minimum recommended porting stage. " ?~`?|-wR]6SK0[.@#Y8FljVlUU J@L>} 8 A_'kN}JMx!M*~_YkkRaKA;CQ=U ?1Y-o)K ?YyFAiW7WTI *" 2D?ks,P)k!PCo* \?+0%/rD_Bt!e{IlI!|U8?!> 8z~Uj^[#2P#^W$*UWQ -TeE9\ Makes buying a bare set less tempting. The store will not work correctly in the case when cookies are disabled. @ 213 mph at the 1969 Indy U.S. Nationals. Head Porting At Home by Marlan Davis, Car Craft Professionally prep your own heads with Mondellos home porting kit. so, these are Pro Comps that got cleaned up a little? Get Heads Shop reviews, rating, hours, phone number, directions and more. If you need it to be more exact, you have to check multiple times, as the head is shaved. This design allows you to select a wide array of thicknesses for the application. WebCompetition Components Now offers CNC Ported Cylinder heads for Oldsmobile Engines. 0000001493 00000 n
COMPLETE READY TO BOLT ON. Sweet, Growing Peppers in Your Garden: Tips, Hardening Off and Soil Mix, Growing peppers is a great way to spice up your garden. Climate change is one of the most pressing issues of our time, and its effects can be seen all around us. My question is how far can you port these heads? The Other 350s: Oldsmobile by Marlan Davis, Car Craft The Olds 350s design specs offer ample performance potential. The most popular for street applications are: the FelPro PN 8171 PT1; the FelPro PN 1155; and the Corteco PN 55660HG in .040-inch-thick and PN 55661HG in .028-inch-thick versions. Stage II: $500 Suggested porting for most intakes. Cam is an old grind, smaller base circle 234/244 .520 .542. Joes first car was a 40 Ford coupe with a 303 c.i.d. Although the ports have been raised, Wise says that the current Edelbrock intake for the 455 Oldsmobile engine bolts right on to the new cylinder head design. 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. 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. 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. 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. For the racing weve done, there is no cylinder head out there that was worth anything, he explains. When a Top Fuel car uses a method other than this to seal combustion pressure, Ill try it. Includes port matching and blending of the plenum and its dividers. EFVU(eufv7GWgw8HXhx)9IYiy*:JZjz m !1AQa"q2#BRbr3$4CS%cs5DT 0000001331 00000 n
CNC finish faces and bolt holes for extreme accuracy, T6 heat treated gravity die cast construction (alloy heads only), OEM accessory bolt patters for simply compatibility, Plenty of material for upgrading to larger HP applications, Machined for screw in studs and guide plates, Flame hardened valve seats for use with all fuel, High Performance Street & Light Racing Application, Lightweight Valve Springs for maximum lift, High Perofrmance Chrysler 426 & 572 HEMI engines. Includes cutting a back angle on the valves at a specific degree. Copyright 1999-2023 SteveSchmidtRacing.com. 1979 2023 Speedmaster. USES OLDSMOBILE HARLAND SHARP ROCKERS OR COMPARABLE. porting and polishing of the inside of the intake manifold. 0000000853 00000 n
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Head or block O-ringing: Starting at $250, Address: 1035 Front Royal Dr. Indianapolis, IN 46227. Pro-Port Raw heads are semi-machined with finished accessory, intake and exhaust flange bosses. We also use third-party cookies that help us analyze and understand how you use this website. 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. This method brings you pretty close. DRILLED FOR 1/2" HEAD STUDS. All of the small-block combustion chambers have roughly the same shape, but vary in volume. Throttle response and power range from 1500 - 6500 RPM. Contact us for your application and pricing. to grow your business. 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. And a very good head porter. COMPLETE READY TO BOLT ON. Dont ever let anyone tell you that you dont need a receiver groove in these copper head gasket/O-ring applications. Assembly has been carried out at the Speedmasters TDS Department by the Head differential technician. We will safeguard your e-mail and only send content you request. For instructions on how to enable JavaScript, please see the help section of your browser. The first step is to understand the causes of climate change and how we can reduce our impact on the environment. Drag Pak Racer AJ Berge To Fly Iconic RAMCHARGERS Colors In, 2003 Cobra Runs 8-Second Pass With Whipple, IRS, And A, Moser Performance Girdles Add Rearend Strength To Your, Melling Offers New Timing Kits for Ford 4.6L and 5.4L SOHC, NEW LS Bellhousing For Magnum And T56-Shifted Hot, Reborn Retro Blower Packs Positive-Displacement Power For Fox, Jackson Hendersons Gorgeous Grand National Ready For Ultra, Shop Tour: Brian Tooley Racing Expands To Be A One-Stop, SEMA 2022: GEARWRENCH Leveled Up With Distinct Quality Hand, SEMA 2022: Speedway Motors Debuts Chevy LS Mock-Up, SEMA 2022: LTA Introduces Injection-Molded Fiberglass Truck, PRI 2022: Nichole Elffs Rowdy 1,500 Horsepower, PRI 2022: FuelTech Talks About The Tech Of The FT700, PRI 2022: Davis Technologies VPS Improves Racer, Can Diesel Additives Help Your Rigs Engine Run, Creative Automotion: The Art of Farmtruck &, Andrew & Brian The Media Movers & Shakers Behind, 1991 Fox Body Mustang Is A Green Monster With A, A Brothers Quarrel Results In This Fine 1955 Chevy, Why You Should NOT Emissions Delete Your Diesel, Is A No Prep Kings Legal Car What Pro Modified Should Have, HOLY SHIP! Back when I ran the NHRA Stock Eliminator W-30 engine, I used the factory .017-inch embossed steel shim head gasket. CNC Ported heads eliminate human error and variation from port to port. 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). H*-537S0 BK#s0k ]
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WebAll Speedmaster 18deg. 2023 Power Automedia. Our race prepped heads use a 2.19 intake valve and are 244 cc runner. Heads Shop can be contacted via phone at (201) 223-2300 for pricing, hours and directions. 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. For instructions on how to enable cookies, please see the help section of your browser. Reusing this cam for this year. I only use these on cast-iron head engines. Unfortunately, they are not available anymore. Intake and 1.680 in. The most desirable small-block Olds cylinder heads are the number-6 and number-7 castings. These gaskets basically consist of two layers of embossed hardened steel and a shim of desired thickness between. Mild porting (further blending with addition of chambers) same volume and flow jumps to about 315 cfm. Speedmaster cylinder heads feature as-cast ports in both alloy and cast iron and are designed for entry-level street/strip performance applications operating in the idle-to-6500 rpm range. Stage IV: $1000 Our "hot rod" port job- for nitrous and forced induction applications. CUSTOM ENGINEERED GUIDEPLATES FOR THE ABSOLUTE BEST ALIGNMENT. All rights reserved. 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. If you want a free port job on your small-block Olds heads, put the die grinder down. 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. You also have the option to opt-out of these cookies. Oldsmobile heads are available with OEM sparkplug location. Porting at Home by Michael Lufty, All Chevy Head Wizard Joe Mondello offers tricks of the trade. ALONG WITH DUCTILE IRON SEATS THAT ARE COMPATIBLE WITH TITANIUM VALVES. A The phone number for Heads Shop is: (201) 223-2300. 440 Olds Stroker Small Block Photos by Chris Hemer, Popular Hot Rodding The strong arm solution for weak-kneed 350s. There is a spacer system to make everything work with a big-block Olds. In 1951, Joe was racing at airports and drag strips throughout Southern California. Research, compare, and save listings, or contact sellers directly from 160 Oldsmobile models in Rahway, NJ. Most Olds folks seem to prefer theC heads for their added performance and better flow. Operating within the idle-5500 rpm range - they fit the bill perfectly. For the best experience on our site, be sure to turn on Javascript in your browser. Speedmasters 6-71 Street Supercharger kits can give you 45-55 percent more streetable power. In order to shop on this Web store, you must have cookies enabled. Our office will be closed December 31. Giant Killer by Chris Hemer, Popular Hot Rodding Bigger isnt always better and Mondellos 307 Olds proves the point. %PDF-1.3
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Includes port matching. If its a 383 stroker, you can probably go with 200cc intake runners. This factory iron big-block A cylinder head has the largest ports I have seen. We'll assume you're ok with this, but you can opt-out if you wish. Includes a multi-angle or radius Serdi cut valve job on both heads (seat cutting only). The nice job on these C heads came by pouring in melted aluminum from the port side and then porting the bowl properly. But opting out of some of these cookies may have an effect on your browsing experience. Yes, they have a ton of potential but need some work to get there obviously. These gaskets are pretty much available in any thickness and bore size when you custom-order them. It is the same method used by 5,000+-hp NHRA Top Fuel cars. Head Build Kits include the following: Intake Valves, Exhaust Valves, Valve Spring Retainers, Valve Locks, Valve Springs, Valve Stem Seals, and Valve Spring Locators. 75 mm throttle body, A 90 mm mass, 24 or 30 lb injectors and a chip and tune after. Filling the exhaust heat crossovers can never hurt. To learn more, view our Includes fully ported exhaust, bowl ported and port matched intake, and profiling of the combustion chambers. Tests performed same day at delta P= 28" Hg Edelbrock heads ported by RR flow virtually identical to those ported by M at valve lift above 0.400", but at 0.200" lift, M porting yields 20% better flow than R porting. 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. I personally prefer the gaskets from Flatout; they are made to order with any bore size and configuration, and are made and shipped within a few days. To learn more, view our, For the ultimate in performance, our E-CNC cylinder heads are the answer. Wise based his Olds cylinder head development on the port shape of the venerable Chevrolet SB2 cylinder head design. 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. Exhaust. 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. They worked like a charm. Race Recondition: $350 Complete recondition of cylinder heads with a Serdi cut valve job, surface mill, cleaning, inspection, re-assembly and new valve seals installed. Includes bowl port. The deck thickness and stiffness required on the cylinder heads has to be determined according to the amount of horsepower the engine can produce.
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