Bowtie phase 2 heads horsepower. SMALL-PORT VORTEC BOWTIE CYLINDER HEAD ASSEMBLY.

 

Bowtie phase 2 heads horsepower. Dec 13, 2018 · The Phase 2 Bow Tie cylinder head (casting P/N 14011034) has the highest performance potential of any cast iron Chevrolet head. 08 valve. 125). 0 hp 468. PN 10134392/Casting number 14011034 is the Phase 2 Bowtie, cast-iron head with 64-cc chambers and port volumes of 184/55 cc. 60 valve and est. They were over the counter performance heads and were angle plug. Run big heads, 200 cc or larger, with 1. 84 1. Larger Dave Bow Tie Racing Heads Phase 2 Cast-Iron Bow Tie Head. BIG-BLOCK BOWTIE RACE CYLINDER HEADS 12363425. The heads are cast iron. 06 60', 2235 lbs for 2014. Oct 1, 2008 · #14011049 Phase 6 heads Jump to Latest 11K views 6 replies 4 participants last post by cstraub Oct 2, 2008 Casting #14011034 is a matching pair of cast iron Bowtie Phase 2 heads. Although the Phase 2 cast iron Bow Tie cylinder head has the same casting number (14011034) as the Phase 1 head it replaced, there are several significant differences Aug 30, 2005 · The Phase 2 Bow Tie cylinder head (casting P/N 14011034) has the highest performance potential of any cast iron Chevrolet head. Vortec Bowtie cylinder heads come with bigger valves, a thicker deck surface Dec 7, 2021 · So I dug these out off the shelf to possibly put on the 350 in my wagon since my 406 has taken a different turn and I’ve had thoughts of having these freshened I believe these to be phase 2 bow tie angle plug heads when I got them 15+ years ago I was told they were ported by Brzeneski which is very possible since his shop is less than an hour from my location. BOWTIE RACING CYLINDER HEAD . Stock out of box 034 Cast-Iron Bowtie heads with factory valve job and 2. Profile Page Apr 28, 2006 · Jump to Latest 2K views 6 replies 4 participants last post by Apr 2, 2013 · First design Bowtie 049 heads are 64cc, only the later issue 049",s are 55. The Phase 2 cast iron Bow Tie head can be identified by its redesigned outer water jacket wall with a machined bar between the exhaust Jul 23, 2003 · C3 Tech/Performance - Bowtie Phase 2 Heads - Anybody using a set of bowties on their motor ? Any pros or cons compared to other aftermarket heads? Saw a set on ebay I might try to get and I was just wondering how well they would work on a street aplication. Aug 27, 2004 · Although the Phase 2 cast iron Bow Tie cylinder head has the same casting number (14011034) as the Phase 1 head it replaced, there are several significant differences between these two heavy-duty cylinder heads. 05 , 1. 02 heads of the same CC? I have a set that have been sitting in my garage for 10 years and I was wondering if there were any true Jan 17, 2008 · Problem w/ Bowtie Phase II heads with angled plugs. I have a set of phase ones on my 383 , 2. 0 Centers . 230-240 cc intake runners, and a 52-53 cc closed combustion chamber heads, i looked on the stan weiss chart and could not find a L34, im being offered these at a great price (great!) but i don't know what they are, could Mar 12, 2007 · Iron GM Bowtie Phase 2 Jamais installees, ported, 2. 690 274/282 on 106. Running my mph through the calculator says 460hp. The Phase 2 cast iron Bow Tie head can be identified by its redesigned outer water jacket wall with a machined bar between the exhaust Jun 5, 2009 · The GM Bow Tie Vortec's I don't know the C/N, the P/N is 25534421 - Small-port Bow Tie Vortec; P/N 25534431 - Large-port Bow Tie Vortec. These upgraded production cylinder heads are ideal for 400-450 horsepower street and racing (great for circle track applications) engines. 50 1980-86 305 14014440 58cc 1. SMALL-BLOCK VORTEC BOWTIE CYLINDER HEADS 19331470. Just wanted to know wants the pontential in these castings. The 184cc intake runners will satisfy the airflow requirements of most competition engines while enhancing throttle response and mid-range torque. Post by JODY » Mon Mar 01, 2010 12:04 am Heads are at the machine shop to change out some valve guides and get a valve job. There were high port Bow Tie heads like c/n 10134363 (which yours aren't). Sep 2, 2010 · Hey I got some old school Phase 1 cast iron bow tie heads. 80 on motor and Apr 14, 2014 · Up top, GM Phase I Bow Tie iron cylinder heads. - Back in the day these things were like the holy grail for small blocks. 14011049 Bowtie, Phase 6, alm. The Phase 2, Cast-Iron Bow Tie head, PN 12480053, is Chevrolet’s top-of-the-line cast-iron cylinder head. Dec 6, 2005 · I cant get this link to post but do a search on "Stan Weiss Cylinder head flow". , angle May 8, 2002 · C3 Tech/Performance - Phase 6 Heads? - Browsing through the classified ad's here at work and I see an ad for Small block Phase 6 heads, fresh, new valves $1000 I'm thinking $1000 seems like a lot for used heads, but then again Phase 6 heads aren't something I'm familiar with. 60 1982 Bowtie, aluminum, angle plug, 180cc intake ports 14011083 64cc 1. 242 Chevy Bow Tie #2 N/A - N/A - - - - 250/174 69. Discussion in 'Parts For Sale' started by wentzarco, May 4, 2023. 50 1980-85 267/305 14014416 58cc 1. gmperformanceparts. Can someone tell me the NGK part number for these heads also they need to be short plugs to clear my headers? The plugs I have been using are autolite AR133. 91 cid new Platnium cast-iron Dart Iron Eagle Heads 2. co Cast Iron Bowtie Head &model=<!--12480034--> As far as I know they are out of the box and untouched. Although the Phase 2 cast iron Bow Tie cylinder head has the same casting number (14011034) as the Phase 1 head it replaced, there are several significant differences Oct 29, 2008 · I run a set of dart iron eagle 215 runner, 2. Completely assembled, ready to bolt on; 185-cc intake ports; Apr 22, 2018 · I have a set of those heads. Ports are the same as Phase 2's. mph,1. Aug 12, 2007 · I'm looking for a good spark plug for my engine. Hmmm. 00% 421. 190"/1. 11. Oct 2, 2008 · I still have a set of the Phase 6 heads out in the shop some place. Jan 16, 2006 · The Sportsman is centered on 0. I don't think they are much different than the phase 2. This head offers several advantages over the Phase 1 head it replaces. they were the original bowtie heads. Oct 28, 2018 · Choosing heads on a 400, when in doubt go big. The Old 034 Bowtie heads make great power when correctly ported and modded. I bought the car from Chad Noel. 02 / 1. Feb 28, 2016 · Phase 6 aluminum Bow Tie cylinder head (casting P/N 14011049). 60 with screw in studs, hardened seats etc. These heads were over the counter racing heads for off road competition use only. I have a chance to pick up a set of Bow Tie phase 2 heads with a casting number 14011034. 50 1980 305 14019821 1980-86 350 14019924 1979-81 267 14019926 1980-86 350 14020517 1980 350 Bowtie II intakes provide maximum performance for engines using unported Chevrolet Bowtie cast iron heads #14011058, #14011034 and #10134392. The head is set up for 2. 080 taller intake port 14011039 350 HP Replacement Alm. Post a picture of the chambers 2002 Jerry Bickle Cavalier, 446" Small Block, Brodix Canted Valve, lenco 5 speed, 7. 02 intake/1. I wanted cast iron, 202's with 64cc chambers. Nov 3, 2003 · SBC PH 6 Aluminum Bow Tie Bare Head. 92% 177/119 67. 94 1. The heads are GMPP Bowtie Phase III angle plugged heads. 125/1. Backyard porting, not done by me. 50 1985-86 Crate motor, 285/300h p 14014415 1. I bought them in 1990 from a guy named Hass who was Bill Maropulos partner at the time. They originally came off a B E/D from the 80's that ran 7. A stock Vortec Bow-Tie head will flow 234 cfm intake and 151 on the exhaust. com May 4, 2023 · SBC BOWTIE PHASE II 2 HEADS 12480034 NOS 14011034. 60" lift flow is 243/162 66. 6 hp 493. 55cc combustion chambers, and D-shaped exhaust ports. These heads have been available for a long time now. In '86 the heads were sent to Engine Prototype Development (EPD) for a competition valve job, pocket porting, gasket matching, and the installation I still have all of these heads, as that was my generation! You can get decent performance still out of like Bowtie Phase 6s. The have Comp Cam valve springs and Roller . 7 hp 209/127 60. Jan 20, 2008 Feb 1, 2011 · Need some advice on a good plug to use on the Phase 2 Bowtie GM heads. they have 2. 60 cleaned up with an abrasive roll. I am the 2nd owner and they were used for testing on Dyno and local engine/machine shop before refresh. 6 exhaust 64cc, intake port 185cc Screw in stud/guide plate. Chevy Bow Tie 178/- - N/A - - - - - 221/138 62. Apr 21, 2018 · but a #034 cast-iron Bowtie Head will make the same HP when Ported ComCams solid lifter cam CS 47S Special FT CS 47 6308/6310 S 108. Dec 2, 2009 · JODY wrote:Larry, Thanks for looking and responding. Aug 28, 2004 · Although the Phase 2 cast iron Bow Tie cylinder head has the same casting number (14011034) as the Phase 1 head it replaced, there are several significant differences between these two heavy-duty cylinder heads. these are bare and need to be ported. A friend has a set of phase 2 bowties that do great too. This engine is a 421 sbc 7500-8000 rpm with nitrous. J'ai fait installe des guide en bronze. In unmodified form, the Phase 2 Bow Tie head will flow more air than any production cast iron small-block head. The Phase 6 head has the highest performance potential of any Chevrolet cylinder head with standard intake port locations. These make more power. I can get these really cheap from a friend who is pulling the engine out of a car he just got and dosent need them. 77% 466. 600 but it figures to be right at 590-610 Hp with 410 lbs. It has the phase two and just about every other head out there. I hade them on a circle track car for quiet a few years. 60 exhaust valves with angle plugs. (Discontinued). I would like to use NGK and I think they need to be hotter than what I am using. SMALL-PORT VORTEC BOWTIE CYLINDER HEAD ASSEMBLY. The short block is standard ‘70 LT1 specs except for the cam. 02 1. 33% 494 hp, @ 0. heads which were made in the 80's I throw up the red flag. holes. 8/151. 67% 500 hp 542 hp, @ 0. Sep 23, 2010 · There are Phase 1 and 2 c/n 14011034 (Phase 2's have no heat X-over), and Phase 3 c/n 12480034 for example. It has bowtie angle plug heads (casting number 14011034). They was the phase 2 with a 2. Oct 5, 2010 · The heads however are new to me and I dont see a lot of reviews on them so I figured I would ask on here. The Vortec Bow-Tie heads are beefed-up Vortec passenger car heads with better air flow, a thicker deck, both center-bolt and outside valve cover bolt patterns and the Vortec and conventional intake manifold bolt patterns. https://store. phase 2 with bowl work and 1205 gasket match in a 79 firebird all steel full interior 4:10 gear 350th trans 4200 stahl. Although the Phase 2 cast iron Bow Tie cylinder head has the same casting number (14011034) as the Phase 1 head it replaced, there are several significant differences between these two heavy-duty cylinder heads. VORTEC BOWTIE CYLINDER HEADS Vortec Bowtie cylinder heads are the most powerful cast-iron heads offered by Chevrolet Performance. Ex: 1. Charlie Stelly from around the Arneauxville area built the engine sometime last year he said. Apr 26, 2023 · 14011034 Phase 1 Bowtie Heads. Jul 30, 2008 · They are not the 'old offroad turbo heads' which are 292's, these are the Phase 3 cast iron Bowtie's as found the in the GMPP catalog, casting # 034. 6, 184cc . they met the requirements I wanted for that engine at the time. 5 CL SBC370cid 621 HP - Sled Pulling June 9th , 2007 4. 72" mechanical roller some time in the future. Sep 28, 2022 · The GMPP Bowtie Vortecs are not known for being crack prone . 70" lift flow is 223. 02 valve. The Phase 2 cast iron Bow Tie head can be identified by its redesigned outer water jacket wall with a machined bar between the exhaust The casting quality is as good as the best aftermarket iron heads, and its flow capability on a valve-size-for-size basis more than matches the Phase 6 aluminum Bowtie heads. 23% 205/123 60. 020/1. Remember, a compressor works better Feb 17, 2021 · Here’s what I know about Bowtie Phase 2 heads: 2. Both are 64cc heads, the engines are almost identical. 600 Ported by Meaux Racing Heads 55CC Chambers May 28, 2008 · Bow Tie Phase 2 heads. The Phase 2 cast iron Bow Tie head can be identified by its redesigned outer water jacket wall with a machined bar between the exhaust Nov 29, 2011 · BOWTIE PHASE II HEADS. 60 ex 184cc intake 64cc chambers I’m going to replace everything valve guides, springs, valves, etc My goal is to get 250 cfm at around . They also had angled plugs and no heat riser. . 00/1. 600" Standard stems, all titanium. 48% 432. Small block heads are small compared to the big block heads. 02-1. Mar 6, 2008 · '77 350 4-bolt bored . just found this on Mortec. They needed pocket porting. 030x3. 3 hp - - - - N/A N/A 1. Feb 17, 2008 · Although the Phase 2 cast iron Bow Tie cylinder head has the same casting number (14011034) as the Phase 1 head it replaced, there are several significant differences between these two heavy-duty cylinder heads. 14011034 Bowtie, Phase 2, iron, angle plug, 64cc, 2. Dec 7, 2010 · Small block experts, are the bowtie phase 6 heads any good, can they be worked (cross section) like the rhs heads with the larger valves (2. Cast-Iron Bowtie Heads. The Phase 2 cast iron Bow Tie head can be identified by its redesigned outer water jacket wall with a machined bar between the exhaust Dec 2, 2009 · Re: SBC Bowtie phase 2 head question. "Ported" heads always make me edgy, you just don't know what you're getting, w/o flowing them or preferably, running them on an engine on a dyno. 9 hp 210/127 60. The Phase 2 cast iron Bow Tie head can be identified by its redesigned outer water jacket wall with a machined bar between the exhaust Nov 1, 2008 · i have both phase 6 bowtie heads and motown 220 heads available to use on a flat top 406 5. They did also have acc. These are still the highest hp potential traditional 23 degree units! You have to change the guides on some of these, don’t get the ports too thin. The Phase 2 cast iron Bow Tie head can be identified by its redesigned outer water jacket wall with a machined bar between the exhaust Although the Phase 2 cast iron Bow Tie cylinder head has the same casting number (14011034) as the Phase 1 head it replaced, there are several significant differences between these two heavy-duty cylinder heads. 54 @ 180. 625 = 369. The phase 1 and phase 2 heads are the same head just no hump in them and some other upgraded stuff. The Phase 6 aluminum Bow Tie cylinder head (casting P/N 14011049) is the product of years of testing and development. Dec 19, 2017 · I bought a set of the (bare) phase 3 Bow tie heads for my Vette a few years ago. 60-inch valves and 3/8-inch screw-in studs and guideplates. The 400 small block and the 402 big block share the same bore and stroke. 44% 454. Joined: Sep 9, 2012 Posts: 1,005. The intake manifold port exits match up to these heads with little or no matching required. 030 over, stock crank and rods, KB hypereutectic pistons, Comp 275DEH cam, ported and polished vortec heads, Comp Valve Springs, Harland Sharp fulcrum roller rockers 1. 3 hp - - - - - - Chevy Bow Tie Phase II CCM 184/55 - 64 63/57 90. 441 reach, close enough? Phase 2 heads 14011049 55cc 2. 5 Dec 7, 2010 · GMPP sells Bowtie Vortecs in two sizes - "small port" 185cc under P/N 25534421 and "large port" 225cc under P/N 25534446. 880" valves (+. 50" lift flow is 240/164 68. 60% 514. Jump to Latest 6K views 14 replies 10 participants last post by David_D. 02 intake 1. 080". Mar 25, 2009 · The intake and exhaust ports are identical in Phase 1 and Phase 2 cast iron Bow Tie heads. Lets here some potential casting that would be a great canidate. according to jim Pace performance catalog it says these heads have the highest performance potential of any cast iron chevrolet head. This was Nascars choice head for years. 50's in B E/D trim. Torque , 48 cc chambers Re: phase 6 aluminum bowtie? 12-29-02 04:56 PM - Post# 149149 In response to bigjimzlll Anytime I see "Phase X", "Bowtie", etc. Intake flows: Lift, cfm flowed & swirl (also Sep 16, 2007 · actually the 292 "turbo" heads only have a single hump and loo similar to the 186 and 492 heads. I am up in the 500+ hp range with Small Blocks. This casting was designed for competition use in applications where aluminum heads are prohibited. 6 rockers and a civil street cam and you will love it. The water jackets have been moved away from the spring pads. This is ideal for classes where rules restrict the porting of intake manifolds to match cylinder heads. Awesome heads Jul 19, 2008 · A 220cc port is not too big with his compression and gearing plus being a 4 speed, Our ports are 215cc-220cc, with a TH400 and with our street cam they work just fine - If we put our larger Drag race cam in they would really wake up - We 60' 1. but if you are competing against others running ported prepped GMPP bowtie Vortec heads on their engines you are going to get beat. 05 intake valve heads that perform really well on a 10 to 1 358. Both heads have 2. 7 rod with 275/284 @50 625/628 on a 108 which head would better suit my needs? OR ANYONE HAVE ANY EXPERIENCE WITH EITHER. The dart headed engine out performs the bowtie setup, stick with at least a 2. An the Sallee chevrolet website I read that these are the JODY wrote:Larry, Thanks for looking and responding. 550 valves. Are there truely any performance advantages over standard 2. It is intended for off-highway applications only. 68 in a 1970 Chevelle with Dad driving {375 pounds} with a 327cid engine and a 4,200rpm stall {nothing crazy stall wise} May 4, 2009 · i have the chance to buy a set of "bowtie L34 heads" i have never heard of these, they are claimed to be ported and polished, iron, with titanium 2. The above advice from DoubleVision is sound regarding port volume, most aftermarket heads go by that as well as the name, C/N's I do not know. Listed on page 51 of GMPP 1998 catalog. 500 lift and 200 cfm exhaust, which appears very do-able with these heads. With the installation of larger valves, it will not only generate sufficient flow for good top-end horsepower, but the Vortec’s high swirl and port velocity also means Re: SBC Bowtie phase 2 head question. I was going to use them on the Chevelle I had, but decided to go BBC. 8) With these heads you may want to look at a 0. 67% 462. The valve placement angles are at 23 degrees. 02/1. Never mounted. While they may flow better than 70's or older heads, they have crummy combustion chambers, bad metallurgy, and are generally just junk. 400" long required) Mar 31, 2007 · C3 Tech/Performance - Angle plug / bowtie heads. 60" lift which is were your cam tops out (@ 0. Port wall sections are extra thick to allow extensive modifications, $750 for the set these heads are slightly used loaded with titanium valves and were assembled at valley head service . Aluminum racing head; Machined for 2. They had some shade tree porting done, but nothing that looked like it was from a head shop. GM reccomends a 3/8 reach, but all I can find are . These heads were refreshed with the following: Aug 12, 2007 · Although the Phase 2 cast iron Bow Tie cylinder head has the same casting number (14011034) as the Phase 1 head it replaced, there are several significant differences between these two heavy-duty cylinder heads. These are 64cc heads with 2. It takes either a fair bit of RPM or a fair bit of CID to use these heads, so they'd be targeted at a 450+ HP 355 for the small ports, and a 500+ HP 400+ for the 225s. Intake valves: 2. 72 1. 48% 130/100 76. 7 hp 225/123 54. 707/. 08/1. I am using Autolite 26 now, but they seem to be running cooler than I would prefer. 5:1, custom length Manley pushrods, Edelbrock Performer intake, Holley fuel pump, Edelbrock 750 cfm carb, MSD Streetfire Dizzy, Taylor spark plug wires, modded 700-R4, 3:55 rear gears, TCI roll control Mar 5, 2014 · Although the Phase 2 cast iron Bow Tie cylinder head has the same casting number (14011034) as the Phase 1 head it replaced, there are several significant differences between these two heavy-duty cylinder heads. wyj zkxytfa chvlddi jdqnle leo vuaefgx atuq kmuirm wjji wmzvk