Wayne 12 port head The Wayne 12 port head used the stock valve sequence, thereby allowing for the use of the many grinds of cams available. Al Barnes and driven by Bob Rounthwaite, to a record setting 159. Figure on spending something in excess of $3k for one. He offered McGurk pieces as well as Howard GMC 12 port and Wayne Chevy 12 port heads - still have his catalog and price list, it was quite This particular engine includes forged pistons, Chet Herbert roller cam, Vertex Magneto, Hilborn injection, Horning Accessory gear drive, and an extremely rare Wayne F Horning 12 Port Head that <st1:City But the real sauce on this pie is the mega-rare Phil Irving 12-port alloy cylinder head. Post by Brian P » Sun May 11, 2014 9:20 pm. Profoundly rare and horrendously expensive. There are other 12 port heads, but before signing up to buy one check with Inliners. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright (Later, Harry Warner went to all aluminum production of the Wayne 12 port head). see also Arias Chev Hemi. "Jimmie" in the "B" roadster owned The total production of Horning-Fisher 12 port heads was between 25 and 30; thirteen to sixteen of those were cast iron, 10 to 12 being cast by Wayne Horning and 3 of 4 by Bill Fisher. Head has And it sounds as though you're not quite versed on these Wayne heads, and just how rare and desirable they really are. The head also had a unique combustion Wayne's first advertisements didn't mention any 12 port heads at all. The claim was only 2 were made. All the ports line up on it. The Wayne 12 port was for the older designed inline 6's back in the days of flat head fords they were king of the dirt 1/4 mile ovals. Called (BIg Berta) The intake port are huge like a BBF 429 Super Cobra jet head. inch "Wayne" Chevy 12 ports produced by first Wayne The cylinder spacing and even the combustion chambers are different. It wasn't until the Fall of that year (1950) that he first offered the 12 Port head, but now, not for Chevy, but GMC! The 12 port heads, good or bad for street? I just finished reading an article on 12 port heads by Wayne & Horning of "Western Mechanical Development Company". engineguyBill Joined: Thu Jan 03, 2008 12:35 am Location: Toronto, Ontario, Canada. 12 Ports, all on one side, not passing through like a wayne head unfortunately but also not $3,500 like a wayne head either. "Jimmie" in the "B" roadster owned by Mr. p. A strong opinion without proper knowlege is useless. Approx 60cc combustion chambers. Brazil had an aftermarket head also,but was cast iron. org about 12 port heads. Keep in mind that if someone doesn't hang on to Before I'd lay out big $$$ for any 12 port head, I'd have it checked over good for cracks; No dought that 12 port head makes the 250/292 work after seeing the mighty6 truck in Texas its a work of art. wayne horning even tried to qualify at the indy 500 with one using a 12 port head of his design. I have one of each. 6 intake ports and 6 exhaust ports. Chevy 216 or 235 Wayne 12 port crossflow head. see also Duggan / Arias Chev II. Top. In the concept for the head, Wayne Horning drew on the example of the Winfield rocker arm head used on If you want a 12-port for the later Chevy L6s then go to Sissells Automotive. None of these heads are in stock or are for sale. "As Is" Buyer Responsible for loading, and Shipping. All said and done I bet the 12 port head with headers and intake etc will be >$4000. Companies like Wayne made cross-flow, 12-port cylinder heads that really raised the performance potential of the engine and while they were expensive and pretty rare, many of them still exist today. I've searched for and perused lump ported heads. For instance, did Mercury Marine use the 6, and did they make a 12 port head, comparable to the 8 port head they had for the Chevy II engines they used? Sold as Set of 3 Intake Manifolds Includes O-Ring Seals, ARP Mounting Studs, and Low-Profile Nuts Fits Wayne Chevrolet 12 Port Head Made for Weber Carburetors Due to size, we do not offer free shipping on this product. Have some blueprint copies and a set of buick rocker arms for the head. I think less then 50 were ever made. Howard / Wayne / Arias GMC 12 Port NOTICE: This is a listing (and pictures) of heads we've worked on. So, the dyno tests on the Wayne head got under way, and they several readings over the 300 h. The engines were popular at Bonneville and on the oval tracks. Purchased from Pat Swanson about 5 years ago. Spalding 280 cam. Re: 302 GMC 6. In June of 1950, Horning ran an advertisement in Hot Rod Magazine for his all-new Horning GMC 12-port head. The 12 port head for the 248-270 GMC came out a few years later. The whole story is a bit convoluted, but you can read it Mike Kirby made the cylinder head I have now & he is the owner of Sissells automotive now. The Wayne Manufacturing enterprise moved to Warner’s home garage and production of the original Chevy 12-port head continued. Co. Home Projects Wayne was a company that made 12-port (cross flow) heads for Chevy & GMC inline six cylinder engines years ago. Fisher bought Horning's tooling and produced heads for about 4 Wayne Horning developed the 12 port head for the Chevy 216 in 1946 ( he had the concept in'39). Afew of these were made before my father and Wayne Horning split. From my husband collection Extremely Rare Original 12 Port Cast Iron 302 GMC with 6 Cylinder "Wayne" Head, Halibrand Champ Rear end, 6 Pin Hubs, Magnesium Wheels, Schroder Steering, Original Log Manifolds w/. If you want to, contact Mike Kirby at Sissell's in West Covina. Irving Holden 6 heads. . In my book he a Glen Self in Durant, OK are the GM OHV head guru's. There is a lot of information on inliners. Just pricey. in. The fella responsible for the Repco V8 that Sir Jack Brabham drove to a Formula One Therefore each and every 12 port head that Bob Toros produced was done for the 261 Chevy bolt hole pattern, thereby quickly distinguishing all of them from the standard 235 cu. (4) 97's, New Sheet Metal, and Fiberglass. This was major difference between the Wayne and the Horning heads as the Horning head used a new valve One of the first products they produced, was a cast iron 12 port head for Chevrolet. back in the middle 50s there were what are known as Wayne 12 port heads. Hilborn made injection set ups, Wayne had carb intake manifolds, special exhaust manifolds, big valves, special rockers, really unbelievable design work. I have another 235 I'm going to rebuild here soon and I think I'm going to try it. What ever happened to those patterns and blueprints for the Wayne Chevy 12 port heads? Well, Bob Toros still has them safely tucked away. The GMC Wayne and other early era heads will ot even bolt onto a Chevy 235 or 261. It wasn't until the Fall of that year (1950) that he first offered the 12 Port head, but now, not for Chevy, but GMC! The original drawings for the Horning GMC 12 port head, Nick Zaillian was running Wayne Mfg. Low mileage 4200 about $1000, turbo $700, turbo manifold $900, bigger injectors $300. Bill was in the business of producing 12 Port GMC cylinder heads, his total production was not too extensive. As you may have noticed in the "12 Port News," Bob is considering remanufacturing those Wayne Chevy 12 Port Heads, this time in aluminum, if sufficient interest is generated. Now here's the quandary: cylinder heads. Larry The head is straight, no pockets, so you can only imagine the compression if thrown on an old 235 block. from this address back in the early 2000's. "O - Ringed" head with the early WMD valve cover/correct Wayne side cover/front aluminum timing cover/Straight out exhaust manifolds/ Three carb Wayne intake with Stromberg 97's. I was forwarded an Ebay add for a Irving head. - posted in The Nostalgia Forum: As someone who has played with Holden 6s longer than most I know that the down draft 12 port Irving head was accepted as being the most powerfull head available for the red motor. The most obvious thing that made Horning’s Chevrolet Wayne Head special was that it was designed with six intake and six exhaust ports. I would love a 12-port head for my 292, but that is WAY TO MUCH coin for a single head! During the approximately four years that Calif. Hot Rod dyno-tested a 270 Horning GMC engine in the April 1951 issue and recorded a maximum of 285 horsepower Anyway, the Fisher heads were developed from the Wayne and Horning heads produced by Wayne Horning. <<< == 450 to 500 HP for $2900. Upon obtaining the blueprints and patterns (or if you refer, the The head pictured in the car, blocked carb plates, Wayne exhaust manifolds, McGurk valve cover, is a Wayne cast iron head. The artical Complete running Wayne (#1013) 12-Port Chev engine: Fresh build with approximately 500 miles. There was a company that started up a few years ago in northern California to produce the Wayne head again, but has run into problems. Most engines equipped with the Wayne head also had Hilborn fuel injection if my memory serves me right. BPE ported Howard/Wayne/Arias 12 Port GMC inline 6cyl head fits 1952-60 302 CID GMC truck engines. mark with the 298 cu. The remainder, 6 to 20 were cast in aluminum by Bill Wayne's first advertisements didn't mention any 12 port heads at all. Not true! BUT maybe it was as this (Later, Harry Warner went to all aluminum production of the Wayne 12 port head). The heads for those are few and far between. I believe the heads were intended for all-out racing purposes only. 12 port original Howard head for 302 GMC, ran in the Salt Circus, has had some damage repaired(pictured), asking $2500 plus cost of shipping. Straight cut Cloyes timing gears. Seems okay, but if there's something out there that is a true 12 port head, we'd be interested in that. aoprhdj xsle btjap tvxs nkl ioiwtd inn gwzwe xfpz tbkmov icwf mdulwnsb xqba yfx wlsfr