The Brodix, Dart, and TFS heads all made strong peak power, leaving the Edelbrock slightly behind. 1.550'' Dia. We carry all top brands, Safe Payments The ductile iron valve seats are installed for use with unleaded fuel. We bolted a 454 iron-block in a '66 Chevelle along with the stock steering column and Energy Suspension motor mounts. What's truly impressive is that this simple, oval-port, hydraulic roller-cammed 496 is capable of cranking out almost 630 lb-ft of torque at a very streetable 4,000 rpm with oval-port heads and a dual-plane intake manifold. What you'll discover is that this power discrepancy is not nearly as critical as it appears. Stay tuned as there are plenty of bad ideas to come. Cam is ground 4 degrees advanced. Just by comparing the manufacturers head flow sheets, they are not that much different. 11. .section {color:#000000;font:bold 12px open sans,arial,helvetica;background-color:#bbbbbb;} These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. The package is currently offered as a drop-in solution for first-generation Camaros, 1964-72 Chevelles and 1968-72 Novas. We'll keep flogging it, but now that we've cracked the 450-horsepower barrier, 500 is starting to seem well within reach. Overall, this is a great oval-port cylinder head. LB-FT: 700.8 Honestly torque will never be bad given how big the engine is anyway. Brodix Single-Plane to Edelbrock Victor Jr. Intake BRODIX recommends this head be installed on a 400 cu in or larger engine. IK Series Cylinder Heads/23 - Brodix Check out our dollar-per-horsepower evaluation and see if you agree that the Edelbrock heads make excellent fiscal sense. Find Brodix Cylinder Heads Dragon Slayer 26 Degree Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! This cookie is set by GDPR Cookie Consent plugin. These cookies will be stored in your browser only with your consent. As we'll see in the dyno testing, the Edelbrock heads performed well in the horsepower test even though they did not win when evaluated strictly on torque and horsepower. Weiand Track Warrior Intake: 7622 Does the dyno testing last year in Car Craft magazine on all those single plane intakes hold any water? Trusted SSL Protection. Peak boost in our last test with a stock long-block and COMP Cams blower cam saw boost top out at 9 psi, whereas in this test we saw only 7.5 psi. Here are the dyno results from our second test of Blown Budget. As of now the engine has around 35-40 dyno pulls on the stock Chevrolet Performance 195-horse crate short-block and we have yet to experience any problems. In response to these announcements, BRODIX has no choice other than placing a material surcharge on select products. 4. Focused. They need some very minor repairs to the water jackets that Brodix could easily fix. With peak flow numbers of 261 cfm intake and 176 cfm exhaust, the IK200 heads represent a huge performance bargain for their price to flow ratio. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. In the spirit of thrift, we retained our Goodwrench valve covers. All other parts were picked because I wanted to test things. In fact, it was right in line with just about everything else we tested. That's not exactly cheap considering some of the offshore heads available. We simulated a typical 80-degree day just above sea level, so these numbers are relatively quick. Precision machined and dyno tuned $11,900; Add Brodix aluminum block $2900; Add moroso 4-vanevacume kit $950; Street Package #7. In fact, torque output didn't fall below 400 lb-ft until the very top of the pull, 6,000 rpm. But wait-there's more. .427/.427 lobe w/1.6. I would be ok with horse and torque numbers being equal. HP: 705.8 Sorry but I have no experience with these heads. The Brodix Dragon Slayer Series Small Block Chevy Aluminum Cylinder Heads are the definition of economical out-of-the-box horsepower! Other performance modifications. 11.5CR on 106 octane. A Radical Muscle Car Transformation Trend Takes New Hot Rods Back to Their Roots, Vintage Drag Racing Takes Over SoCal Track, Wild Twin-Turbo Ram 1500 TRX Destroys Quarter-Mile E.T./Speed Records, How To Color-Sand and Buff Your New Paintjob. Budget Breathers Brodix IK200 heads (2.02/1.60 valves) Lift (in inches) Intake cfm Exhaust cfm 0.2 123 100 . Here you can see the stock cast pistons of the Chevrolet Performance 195-horse crate engine. Street Engine Packages - Jensen\\'s Engine Tech Nevertheless, the differential between all the aluminum Rat heads is small-merely 0.08 second and 1 mph. Bought some out of the box Brodix Dragonslayer heads from Weingartner Racing. by WeingartnerRacing Mon Oct 23, 2017 11:17 am, Post There is also a smaller intake valve (2.250-inch versus 2.300) to better match up with the smaller port. Dragon Slayer Series Cylinder Heads/23 . in. You just might get away with it-until the word gets out. Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. B1 Series/15/18 Spec Heads Menu Toggle. LB-FT: 684.1 Big Shot Nitrous System (Holley 4500 Flange), Competition Long Tube Headers - Ceramic Coated, First Drive: Testing Stellantis' New Twin-Turbo Hurricane Inline Sixes In The Jeep Wagoneer And Grand Wagoneer L. Congratulations to Kelby Case, Winner Of Holley's 1000+ HP 632 Big Block Chevy Sweepstakes! Dubbed the "Dragonslayer", they come in 320 and 365 cc intake runne. That could come in the way of a switch to perhaps 1.8:1 roller rockers, because it gives us the lift without having to go to a longer duration that will only kill some of that brutal low-speed torque. We did not have the clutch linkage in place, but that did not appear to be an obstruction. For the next round, Prestige pulled both the ported heads and the Edelbrock Air Gap intake. They made 716 lb-ft of torque at 3,900 rpm and nearly 706 hp at 5,900 rpm. What's interesting is that both the Dart and TFS heads offer a 0.300-inch raised exhaust port and that both the Dart and TFS heads' exhaust-port flow numbers make a significant jump at the higher valve lift, virtually duplicating each other as seen on the exhaust-port flow charts. But these ports are rectangular, where the others were oval. Solid to Hydraulic Roller Cam On the dyno, the ported Brodix heads practically screamed. We also took this opportunity to add a set of COMP roller rockers with a 1.6:1 ratio to add a little more lift to our cam. Simulated DragStripHere's where we make dyno numbers relevant to the street. The SetupThere are a boatload of variables involved in testing five different Rat motor heads. But don't count these peanut clusters out. I dynod my 355 tested several things I am sharing - Page 4 - Don There are larger factory oval-port, cast-iron, open-chamber heads at 250 cc, but the only ones we could find had been modified, which would not be representative of an OE head. Brodix Cylinder Heads Cylinder Heads - Summit Racing This cookie is set by GDPR Cookie Consent plugin. It would probably make 700 if not for that yellow paint, I would be glad to do it after I get all the info. Both run Weber 50mm ITB EFI intakes the other guy has the same cam and currently got 195cc AFR and his engine makes about 405hp. best head for 406 sbc 14.1 cr .850 cfm quick fuel carb with super Victor intake.my two choice brodix track 1 227cc cnc or afr 227 cc competition.thanks. The cookie is used to store the user consent for the cookies in the category "Performance". Testing each of these heads in the same car would have been fun, but there wasn't time, and they closed our favorite dragstrip. The most common cylinder head recommendation that we suggest is listed below the cubic inch. 427 SBC Dyno numbers, running out of head or cam? Not only did the torque jump up from 684 to 703, but the horsepower didn't suffer, either. Because these heads were fitted with several different valve lengths, this demanded multiple custom pushrod lengths. With our new heads in tow, we lugged the blown small-block back to Westech where it was again strapped to the engine dyno for some inquisitive flogging. TFS HeadsIf you look at the flow curves, the TFS and Dart intake-flow numbers virtually overlap throughout the entire flow curve on both the intake and exhaust, which is surprising. Intake port volume: 290 cc Big-block engines are awesome because they make it easy to put together some crazy big-inch builds. 1. (RR BB-R) Match Intake Port to FP 1210. . These Brodix oval-port heads are very strong on power delivery and . To accommodate all the different valve weights, we decided on a Comp Cams PN 933 spring with a common installed height of 1.950 inches. This combination was by no means bad. It is just going to be a cool street toy. Omar Cabrillo at Coast Motor Supply in Canoga Park, California, helped us out by supplying a pair of the heads complete with tiny stock valves, new guides, and a basic valve job. Whew! V6 Chevrolet Compatible Heads. Recently, we had the opportunity to sit in as owner Doug Aitken and his staff flogged a 582ci big-block over two days of constant testing on the shop's dyno. For over 50 years BRODIX has been the only cylinder head company to perform each stage of the manufacturing process under one roof. 2023 Patterson Elite I did see a test of heads on a low[er] compression GM 502 and 294 RRs gave up a good little bit vs a AFR 325 #2101-1. With the Terminator X Stealth you get a throttle body, MAF sensor, TPS sensor, a tunable computer, and support for a ton of horsepower. HP: 688.7 PS MI: Match Intake Port to FP 1211. Fathers Day Roadkill Gift Bundle Deal! These cookies ensure basic functionalities and security features of the website, anonymously. The better breathing ports and bigger valves bolstered performance everywhere. We also use third-party cookies that help us analyze and understand how you use this website. While superchargers and nitrous were hogging the limelight back in the mid-'90s, Nelson Racing Engines was at the forefront of an emerging turbo scene. View More Information. in.PN 19000112. 2.300" Intake / 1.880" Exhaust Valve Sizes. The Edelbrock heads fit with no clearance problems, so we then tried a TFS head with the same headers. We monitored 11 separate dyno tests we thought would prove to be most useful to you. Peak torque dropped 9 lb-ft to 676.2, and horsepower dropped by 12. Here are the dyno results from our second test of Blown Budget. The three oval-shaped heads in this arsenal include a 229 cc intake port flowing 325 cfm, a 225 cc raised intake port flowing over 335 cfm, and a 234 cc raised intake port flowing over 345 cfm. We again strapped our 195-horse crate engine, supplemented by a Weiand 142 Pro Street blower, to the dyno at Westech Performance for another round in the ring. FF 13 STD. Our only complaint with these heads is that the valve-cover rail is low and spills oil on the headers when we remove the valve covers. Today, the Nelson Racing Engines name is synonymous with big horsepower be it turbocharged, supercharged, nitrous-injected or otherwise. Through our testing, one unusual trait arose in our small-block's demeanor. Which Dart Pro 1's are you saying make more power than the Afr 220's? BR 7 LS7 Compatible Series Cylinder Heads/12 BR 3 Series LS3 Compatible Series Cylinder Heads/15 BR 1 13 Series LS Compatible Series Cylinder Heads/13.5 Small Block Chevrolet Compatible Heads Menu Toggle. 1-Inch Open Spacer vs. No Spacer Re: Brodix Dragon Slayer 320 too small for a street 572? Overall, we were pleasantly surprised that the raised exhaust-port heads still allow the headers to clear, which means we wouldn't have to do header surgery in order to make them fit. On the dyno, this looks like an excellent combo. Peak HorsePower calculated from Cylinder Head Flow CFM only 600 RPM/Sec Dyno Test Lowest Average Best Potential Head Flow Peak HP = 685.7 772.4 859.1 . Cylinder Heads Menu Toggle. A lot of people hadnt figured it out yet, so we wanted to push the envelope and show off what turbocharging could really do., With no proven blueprint to guide them through the process, NRE spent countless hours figuring out the combinations that made the most sense for this new breed of turbo V8s, power plants which differed substantially from the high-winding, small displacement mills that had traditionally utilized turbocharging to build power. Brodix Race-Rite Oval Port2.25/1.88 valvesChamber 118 cc (110 cc CNC as tested)Intake-port volume: 270 ccStock exhaust-port locationIntake-port cross-section: 3.08 sq. When you get it from us its dynoed, its tuned, all the wiring is there, the wastegates and exhaust are ready to go. Next, Westech's Steve Brul set the timing and readied the engine to make a few more power pulls. This particular lobe spent some time on the Spintron its been tested up to 10,000 RPM., If 1,250 horsepower isnt enough for you, Nelson points out that the package has a lot of headroom built into it. Also note that even those lame peanut-port heads pushed the test car into the very low 11s. Cylinder Head Recommendation Guide - Brodix We wanted to provide something that would be accessible to more people while still offering a ton of power. These price changes have represented the largest month-over-month increase in the history of our company. The foundation is a 540ci Dart-based Chevy iron block with splayed caps thats been outfitted with a Callies Magnum crankshaft, Boostline connecting rods, and custom JE Pistons to provide a robust bottom end for forced induction. Dragon Slayer Series Cylinder Heads/23 . The New Brodix BBC "Dragonslayer" Cylinder Heads from USA - YouTube Best This year is 6.50 At 105 mph 1.42 60Ft. Isky RR 640 72-82 cam. One variable that affects any test like this is cam timing. The 933 measured 175 pounds at 1.950-inch seat height with 440 pounds of open pressure at 0.550 inches of valve lift. Need to update heads on a 565BBC | Yellow Bullet Forums It does not store any personal data. We learned long ago not to listen to that caveman voice. LOW BUCK SBC HEAD TEST-ENTER THE DRAGONSLAYER - YouTube You also have the option to opt-out of these cookies. Edelbrock RPM Air Gap Intake: 7561 The engine responded extremely favorably, with power and torque up across the board (see dyno graph). by RCJ Mon Oct 23, 2017 8:11 am, Post BP HH SB RO 225. Brodix Cylinder Heads Cylinder Heads - Summit Racing Edelbrock RPM Air Gap Intake: 7562 PN 60479. One tube came very close to the steering column and probably would require a slight dimpling, but that was the only real consideration. The BRODIX Head Hunter Series is only getting better. The cookie is used to store the user consent for the cookies in the category "Other. Victor Jr. to Weiand Track Warrior Intake in.PN 2061001 (RR BB-O). Brodix 312cc Unported Heads: 2060002 The new BRODIX DS 320 and DS 365 big block Chevrolet compatible cylinder heads are the latest additions to the Dragon Slayer series. Once we had a good tune-up, we made three full pulls on each combination from 3,200 to 6,200 rpm, then averaged those runs together to create a power curve for each engine. Westech's Steve Brul muscles our new set of Brodix IK200 cylinder heads onto the engine. Brodix is 8 weeks out right now. Installing the new heads brought it up to about 8.2:1. Until this point, the camshaft was a solid roller from Comp Cams with 258/268 duration at 0.050-inch lift, a 110-degree lobe separation and 0.680/0.681-inch valve lift with 1.7:1 ratio rockers, but the staff at Prestige thought a hydraulic-roller cam with slightly less lift and duration could be a better fit. Its a package thats designed to be easy to work with; a customer can get this and make it happen on their own. This will be driven very limited on the street w/ a solid roller cam and pump gas. BF Series/9.5/11 LH Series Cylinder Heads/17 Head Hunter F Series/15 ST 5.0 Series/20 Track 1 Ford Compatible Series/20 Mopar Compatible Heads Menu Toggle. 4.500 Bore Spacing Series Cylinder Heads/10/12/13. Since valvetrain weight is an issue, we elected to use the Comp 933 dual springs matched with a Comp 10-degree titanium retainer to reduce weight. Cam is a Bullet 261/269 duration at .050" intake/exhaust solid roller, on a 106.5 LCA installed dot to dot. Another important consideration is that these heads rely on a stock exhaust-port exit position, which helps with header fitment. The second point is the raised exhaust port, which creates excellent exhaust flow numbers that would probably benefit from a single-pattern camshaft design. So off came the Quick Fuel Technology 1,050-cfm Race-Q double pumper, and Aitken bolted up a slightly smaller Race-Q version at 950 cfm. If you are in the "no replacement for displacement" campnever a bad ideaa big-block is your golden ticket. 406 13.1 7400rpm max 276/284 .630 Been looking at the AFR 220 or Brodix Dragon Slayer DS225 series. What's the moral of the story? The 23 Dragon Slayer DS 225 Series cylinder head comes standard with CNC ported combustion chambers allowing this port to flow over 300 cfm @ .600'' cam lift. Every casting is poured from A-356 virgin aluminum and tested before Brodix utilizes their in-house processes such as finish machining and heat treating to assure that you receive the best products for your hard-earned money. You will notice the tests are not done to test every combination against every other possibility. Pro-Filer Intake: 206J Hello Guest Sign in or Create an account. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. Top End Combos - Brodix The Edelbrock's intake-flow numbers are decent, although not on a par with the other three aluminum heads, and still performed well despite having the largest intake-port cross-sectional area number. That was about 13 years ago. Comp Solid Roller (Grind #): 4293/4287 Every casting is poured from A-356 virgin aluminum and tested before Brodix utilizes their in-house processes such as finish machining and heat treating to assure that you receive the . Not Yet Reviewed. Engine: 350, flowported brodix dragonslayer heads, 1.5 roller rockers, comp cam, victor jr intake, holley 750 dp, headman shorty, flowmaster 40 series. The combo is in my sig, but a few more details: 423 small block (3.875 stroke), 10.5 to 1 compression, hyd roller 240/243 and I think around .600 lift with 1.6 rockers. 2.19/1.88 valves From a port cross-sectional area standpoint, the Darts are the largest of all the heads we tested, which might have contributed to their overall torque curve performance. Brodix SBC Dragon Slayer Series Aluminum Cylinder Heads - JEGS brodix vs AFR - Don Terrill's Speed-Talk These are the newest castings amid the oval-port contenders. Intake opening is. We bolted the blower manifold and blower back on the engine, making sure to torque it to Weiand's specs, and sealed it up with the original Chevrolet valve covers. In its place they bolted up a pair of Brodix's Race-Rite as-cast cylinder heads with 345cc intake ports. The new heads look right at home on the small-block and we couldn't wait to see what kind of power they would bring to the table. Focused around enthusiasts wanting the most bang for their buck, the Dragon Slayer heads are a great upgrade for a better flowing head.Currently, the big block is available with three port-volume options, and the small block delivers 225cc. One item we had no control over was that larger-diameter valves automatically weigh more than smaller valves. BRODIX 605 Dyno - YouTube Brodix Heads Springs - 240# Seat Pressure, Brodix SBC Dragon Slayer DS225 Series Aluminum Cylinder Heads 1321003 (pr), Brodix Cylinder Heads Head Hunter Series/24 2138102 (pr), Brodix Cylinder Heads IK Series Cylinder Heads/23 1021001 (pr), Brodix Cylinder Heads BB-3 Xtra Series/24 2038117 (pr), Brodix SR 20 Series Cylinder Heads/20 2208000 (pr), Brodix Cylinder Heads Race-Rite Big Block Series/26 2061001 (pr). I havent seen anything like this complete, drop-in package.. Solid, phosphorous bronze guides are used to reduce valve leakage and oil consumption. Necessary cookies are absolutely essential for the website to function properly. LB-FT: 689.2 Dragon Slayer DS 365 Series Cylinder Head. HP: 687.1 It's like some kind of baritone inner voice that won't be content with anything less than massive 360cc intake port heads on a 396. May 5, 2011. The BRODIX porting design was incorporated into a 100% CNC ported masterpiece that can be mass produced. by WeingartnerRacing Mon Oct 23, 2017 11:15 am, Post The best thing about this head is that all standard components such as rockers, lifters, and intake manifold . I have the 320 Dragon Slayer bare castings on order, but not being shipped until June probably. cylinder heads. dual cowl, HID's, entire truck led. This is the PN without the CNC chamber Brodix option CNC-chamber price $225.00. Look at the vast difference in power output between the stock (blue) and our latest dyno (black). HP: 682.0 We ordered up an assembled pair of heads with 70cc chambers to swap onto our Blown Budget project. There's something intoxicating about cheap speed. The lesson learned here is easy: If you've got room for a spacer, run it. However, they've got plans to bring a lineup of affordable, do-anything, rock-solid big-block engines that will work as daily drivers and handle the extra horsepower from a power-adder. Comp's adjustable checking pushrods and broad Hi-Tech 31/48-inch pushrod selection made it easy to set up the proper rocker geometry with custom pushrod lengths in 0.050-inch steps. We kind of like them, as they give a nod toward the foundation this powerplant is based on. Technology is a wonderful thing. On a performance level I see numerous other heads on the market that offer more in the hp making department, your Brodix example . The results, here at least, are inconclusive. The -11X requires a special stud girdle and longer pushrods. These peanut ports are roughly 30 percent smaller than an aftermarket 270cc version. Change to Quick Fuel 950-CFM Carb If peak horsepower had been the goal, we would have chosen any one of many single-plane intakes that would have easily kicked it up over 600 hp. 2. The Brodix Dragon Slayer Series Small Block Chevy Aluminum Cylinder Heads are the definition of economical out-of-the-box horsepower! Dart Pro 1 heads | Yellow Bullet Forums So build a 496, paint the heads and dual-plane intake manifold orange, tell the world it's a mild 396, and blow their doors off. 112LSA. Now you can see why the results of this kind of testing cannot be considered chiseled in stone unless a whole battery of cams go with it. Removing the spacer cuts down on the intake's plenum volume, which hurt power production to the tune of 3 lb-ft of torque and about 1/2 hp. Speaking of power, the new lungs brought it up to 451 horsepower at 5,900 rpm. This cookie is set by GDPR Cookie Consent plugin. Additional applications for C10s, G-bodies, and GM B-bodies should be rolling out over the coming months. Dragon Slayer Series Cylinder Heads/23 test - Brodix Although the package currently tops out at 1250 horsepower, Tom says that the team at NRE is working on an injector modification for the Terminator X Stealth EFI system that should raise the packages potential output even higher. These heads also accept standard pistons, intake . This website uses cookies to improve your experience while you navigate through the website. Fathers Day Roadkill Gift Bundle Deal! There's something to be said for combining value with all-out power. The technology was still growing at the time figuring out the turbo sizing for a V8 and what type of design to use was part of the teething process. This just gives you something more to think about. Using the Quarter Pro dragstrip simulation program, we ensured that tire spin was eliminated so that we could evaluate each head based on its true potential. Note: This flow data was collected on an as-cast head without CNC chamber mods. By the way, this is different from the intake we used on the ported Brodix heads from the initial test, because those heads have an oval intake port and the as-cast heads have rectangular ports. Stock location exhaust port That's a lot of grunt! And in the big block world, I feel like theres a huge gap here. The chart lists each Comp Hi-Tech pushrod length (in inches) with each part number in parentheses underneath. Flow sheet shows 370 CFM. It is a relatively tall intake at 7.4 inches for the version that works with the standard 9.8 big-block deck height. Small Block Chevrolet Compatible Heads - Brodix Bare, 1/pkg. by David Vizard Mon Oct 23, 2017 10:21 am, Post While the peak power number was essentially the same as the Victor Jr., it provided a bit more torque practically all the way through the pull. With a large piston down-bore and around 17cc dishes in the piston, the original compression of the engine was more like 7.8:1 than the claimed 8.5:1. by statsystems Mon Oct 23, 2017 1:05 pm, Powered by phpBB Forum Software phpBB Limited, General engine tech -- Drag Racing to Circle Track, I like the spacers, I will guess a 1" tapered into a 1" open. Brodix Dragon Slayer DS 365 Big Block Chevy Cylinder Head. The difference in weight between the normal-steel 1.550-inch-diameter retainer at 35 grams and the titanium at 18 grams is almost half at 17 grams. I may not get to it right away. All brand name parts. Plus 15 Percent Off MotorTrend Gear! Best Induction - Don Terrill's Speed-Talk My ported Brodix Dragon Slayer head 241cc 2.63csa 2.08/1.6 valves hollow stem intake valve they flowed 322cfm on a 4.030 bore . What this shows is that the Edelbrock heads offer excellent power for the money. 12. GM Iron Peanut Port