ported gen 3 coyote heads

Copyright 2023 by AUTOSALES, INCORPORATED What resulted were the left-hand M-6050-M50BR (driver) and right-hand M-6049-M50BR (passenger) heads. All testing was performed on pump E85. As well as CNC port work going in and coming out. (Photo Courtesy Ford Performance Parts). If youre going to run the 20152016 cylinder head on your 20112014 block, use the 20152016 cylinder head gasket with the larger VCT oil feed hole in front. We then perform our Performance 4 Angle Valve Job and then blend the bowls to the valve seat. function e8ad294f10da6be369fa() { return WSM.Util.rot13('zbqurnqfubc!tznvy.pbz').replace('! Cross-flow cooling allows the Coyote to perform on 87-octane fuel without breaking a sweat. Remaining inventories of new BOSS heads as well as used show up at swap meets and parts houses. This is also a CNC-machined intake port. (Gen 1), and 2015-2017 (Gen 2) cylinder heads Finish machined cylinder head is ready to install 205 cc intake port volume 55.0 cc chamber volume The Coyote four-valve cylinder head is one of the most advanced production Ford cylinder heads ever produced. After that, we plan on running the Hellion turbo system, then following up with the Kenne Bell supercharger once again. This is the 20122013 BOSS 302 cylinder head casting, M-6050-M50 and M-6049-M50 (shown), which really is a different casting of an improved 356 aluminum alloy (versus 319 with base Coyote heads) with CNC-machined ports and chambers. Build your own custom newsletter with the content you love from EngineLabs, directly to your inbox, absolutely FREE! Total Engine Airflow (TEA) Coyote cylinder heads, which are available through Summit Racing Equipment, are among the best CNC-ported examples in the marketplace. (Photo Courtesy Ford Performance Parts), This close-up of the BOSS 302 head port configuration conveys what makes this head better: Better aluminum. The Coyotes generous exhaust ports provide exceptional scavenging compared to their Modular 4.6L/5.4L siblings. Mar 14, 2023 When it came to porting our Gen-3 heads, we turned to MPR Engines. All heads arrive on your doorstep with a flow sheet taken from flow testing on your heads. With the BOSS head you not only get improved function but also strength in a better-alloy cocktail. Once again, super-tuner Ken Christley from Kenne Bell was on hand to dial in the factory ECU using SCT software. Stick aroundthis killer Coyote is about to grab that Road Runner and ring his little neck. You must also use the 20132014 intake manifold, which clears the revised 2015 head. The JPC Racing Stage 2 and Stage 3 CNC-ported heads have aftermarket oversized valves and upgraded valvesprings. Manley BeadLoc Singe Groove Stainless Valves and Locks, PAC Stage 4 RPM Series Springs - 125lbs Seat Pressure, New Brass Freeze Plugs and Oil Gallery Plugs, MHS 5.0L Coyote N/A Xtreme Race Camshafts, Modular Head Shop 1500+ HP 5.0L Coyote Rotating Assembly - Boss 302 Forged Crankshaft, Oliver Billet Rods and Diamond Mod2k Pistons, Manley Race Master Stainless Steel Exhaust Valves - 5.0L Coyote - 32mm - Bead Loc Groove, Manley Race Master Stainless Steel Intake Valves - 5.0L Coyote - 38mm - Bead Loc Groove, MHS / PAC Stage 4 RPM Series 5.0L Coyote Valve Springs, Ford Racing Gen 1 & 2 5.0L Coyote Followers / Rockers - Set of 32, 4.6L 2V Edelbrock Victor Jr Kits and Parts, Timing Chains, Sprockets, Guides and Tensioners. MHS 5.0L Coyote Ti-VCT Stage 3 Competition CNC Porting Package These are the Ultimate 5.0L Ti-VCT Cylinder Heads. JPC Racing Parts Dyno Tuning Services Clearance Information Affirm Increased Lead Times Our supply chain is suffering major disruptions. If you opt for 20152016 cylinder heads, be prepared to go the entire way with the complete timing chain and phaser package. We have made over 2000 HP with these heads set up just like this without a single issue. Since our mild Coyote was making nowhere near that much power, we couldnt help but question the logic of extra cardio for our Coyote. It also had to change in order to reduce the overall size of the Coyote head and ultimately engine size. After 10 years of circulating reused tap water while dyno testing, our electric water pump had finally given up the ghost when it was time to dyno. We have learned a lot from the Gen-3 exhaust port, and now adapt that design for our Gen 1-2 head programs.. Ford Performance is introducing the Shelby GT350 5.2L cylinder head at press time, along with the corresponding induction and cylinder block, making it possible to build a 5.2L Coyote with the cross-plane crank (more cubes for your Coyote project and the added benefit of these GT350 heads). The nitrous upped output to 554 hp, while the Kenne Bell Twin Screw pushed this the Coyote to 704 hp and 549 lb-ft of torque at less than 10 psi. Filed Under: Ford Coyote Engines, Ford Tech Tips, 2023 DiY Ford. Expect to see in excess of 320 cfm intake and 220 cfm exhaust with these heads. Stay Updated with Emails from Summit Racing. Slawko Racing Heads says these are the same CNC-ported Coyote heads used by Justin Cyrnek in his 2013 Mustang GT racecar. You need to send TEA your cylinder head cores to get started. However, these heads are still available from sources like Summit Racing Equipment, eBay, craigslist, and a host of others. Also included are either tool steel or titanium retainers, seats, valve seals, and locks. All numbers from a super-flow 600 @28 in on a 3.630 stock bore. We then perform our Competition 5 Angle Valve Job and then blend the bowls to the valve seat. I sent the heads and block to a engine builder to get my valve train setup. These CNC-ported heads are actually a joint venture between JPC Racing and Rich Groh Racing (RGR) Engines. The heads are then moved over to our Seat and Guide area where our custom Bronze Guides are installed and honed to size. Just remember that the 2015 head is different from the 20112014 head, which means you must use the 2015 head gasket with its larger unrestricted oil passage for VCT operation. | Sitemap, JPC Racing- CNC Stage 1 Coyote 5.0 Cylinder Heads, JPC Racing- CNC Stage 2 Coyote 5.0 Cylinder Heads, JPC Racing - Coyote Rear Water Fittings (Rear of Head), JPC Racing - Coyote Head Water Fittings 12 ORB (Rear of Head), JPC Racing - Coyote Head Water Fittings 12 ORB (Front of Head), JPC Racing "Coyote" 5.0L Short Block Rated 1100 HP, Comp Cams- CR 2015+ Mustang GT N/A Stage 3 Cams, JPC- Tremec Magnum XL S197 Conversion Complete Kit, Comp Cams- 2011-2014 Mustang Stage 3 N/A NSR Camshafts, JPC- Custom NA Coyote Camshafts "2015-2017", JPC- 2015-2017 Mustang GT Tremec Magnum XL Complete Conversion Kit, PAC Racing- Coyote Drop-in Valve Spring Kit. MHS 5.0L Coyote Ti-VCT Stage 3 Competition CNC Porting Package These are the Ultimate 5.0L Ti-VCT Cylinder Heads. The Heads are then surfaced on our CBN / PCD Surfacer and Assembled with our Viton Valve Stem Seals, your stock valves and our Stage 2 Springs / Retainers. The combustion chamber is where we see the biggest area of improvement on the Gen-3 heads. Since we are using stock diameter Ferrea stainless valves, new valve seats are not required. Gen 3 Coyote Head Specs M-6049-M50B - Ford Performance Right Cylinder Head M-6050-M50B - Ford Performance Left Cylinder Head 205cc Intake Port Volume 55.9cc Chamber Volume (smaller versus 15-17 57cc) 37.7mm Intake Valve - 1.484-inch (.4mm larger than 15-17) 32mm Exhaust Valve -1.259-inch (.2mm larger than 15-17) The Parts We Used This is a custom order part. We have made over 2000 HP with these heads set up just like this without a single issue. SHIPPING-After your order is received, we will ship out a set of Cylinder Head Boxes to you with Pre-Paid Return Labels, all the proper packaging and packaging instructions to ensure your heads arrive safely. We are inching ever so close to the 600hp mark in normally aspirated trim, so we have decided to take one last shot and get the 5.0L to produce an honest 600 hp. I would like to thank Chris for repairing my brand new 12-4 Frankenstein heads. Thanks to the FRPP Controls Pack, the crate engine was a plug-and-play operation, including control over the drive-by-wire throttle and variable cam timing. When you compare the Coyotes valves and valvetrain to the 4.6L and 5.4L Modulars, theres an obvious difference in size. Corrected, we netted 630.6 horsepower and 479.8 lb-ft, giving us an overall corrected gain of 26.5 horsepower and loss of 5.4 lb-ft. It is suggested that you head-stud your Coyote build unless youre planning in-vehicle head removal. A different part number seal is required to fit the larger brass guides. The low-speed torque loss was expected as our larger port carries a slightly slower port velocity when compared to the stock castings. Ford was able to develop the BOSS 302 head thanks to being given a proper budget. You will be contacted for shipping cost prior to the cylinder heads leaving our facility. When your Coyote heads arrive at TEA, heres what happens: JPC (Justins Performance Center) Racing, located between Washington, D.C., and Baltimore, Maryland, delivers a great CNC-ported Coyote Stage 1 head for those of you looking for nice power gains from your naturally aspirated or forced-air Coyote. Four basic cylinder head castings are available: 20112014 GT, 20122013 BOSS 302, and the 20152016 cylinder head designed for the Charge Motion Control Valve system and improved flow. Palm Beach Dyno provided remote tuning services utilizing our HP Tuners MPVI2 dongle. Click the button below and we will send you an exclusive deal on this book. This is the revised 2015 Coyote cylinder head with revised high-flow intake ports, stiffer valvesprings, larger intake and exhaust valves, and a wider intake port flange for the CMCV induction system. This Coyote offered the best BMEP number weve ever tested on a street motor on pump gas. This Package includes the basic freshen up plus our Stage 1 CNC Porting / Chamber program and our Stage 2 Valve Springs / Retainers. JPC Racing- CNC Stage 3 Coyote 5.0 Cylinder Heads $3,895.99 Choose Options JPC Racing - Coyote Rear Water Fittings (Rear of Head) $120.00 Choose Options JPC Racing - Coyote Head Water Fittings 12 ORB (Rear of Head) $120.00 Add to Cart JPC Racing - Coyote Head Water Fittings 12 ORB (Front of Head) $110.00 Add to Cart Customers Also Viewed The City's Code Enforcement team shall enforce all applicable City ordinances that apply to Total Engine Airflow CNC machines the intake and exhaust ports along with the combustion chambers. They are capable of handling upwards of 40lbs of boost and 9000 RPM. Cnc Ported Cylinder Heads. You can order this part by Contacting Us. These are the Ultimate 5.0L Ti-VCT Cylinder Heads. Production 2018 RH (right hand) Mustang GT 5. Results 1 - 2 YOUR HEADS ARE REQUIRED, Valve Job is done on a CNC Newen Single Point Machine, Includes New Bronze Valve Guides also removal,installation & sizing of bronze guides, Custom Machining of Intake and Exhaust Valves. Ford Raptor 2nd GenLooking to make more power? Heads will also be assembled with new USA Made Brass Freeze Plugs and New Oil Gallery Plugs. Charge Motion changes intake manifold runner length via flapper valves in the intake manifold. Throughout our website and catalog these terms are used for identification purposes only. With CNC porting, you can gain as much as 25 to 40 cfm intake and 20 to 30 cfm exhaust. The Gen 3 head as delivered from Ford will out flow a ported Gen 2 head. Shorter runners make horsepower at high RPM. You cannot interchange 20112014 and 20152016 timing components. If theres one downside to the new lineup of Mustang engines, its the small bore spacing and the attending limit it imposes on available displacement. 5.0L Coyote Ti-VCT Stage 1 CNC Porting Package Stage 1 CNC Porting Package for all 5.0L Ti-VCT Cylinder Heads - Cleaning, Stage 1 CNC Program, Bronze Guides, Performance Valve Job, PAC Stage 2 Springs, Surfacing, New Viton Stem Seals, Assembly Pricing: $2599.00 Customize Your Item Select Valve Springs MHS / PAC Stage 2 - 4130 Retainers * required (Photo Courtesy Ford Performance Parts), The GT350 cylinder head is a ready-to-race piece right out of the box with its larger valves, generous ports, and revised valvetrain dimensions. When development began on the base Coyote head, Ford engineers were presented with another challenge: the 20122013 BOSS 302 cylinder head, which was also known as the Roadrunner project inside Ford. Check out our HeadGames exclusivebeehive spring kit for the ecoboost! 205cc Intake Port Volume The chamber work also aids in preventing detonation. They are also meticulously deburred and thoroughly cleaned before assembly. It is understandable to expect big horsepower numbers from a four-valve motor, but what really impressed us was the torque production. Coyote Cylinder Heads; Shop; About; News; Customer Rides ; COYOTE ENGINES Sherry Redding 2023-01-11T11:36:09-05:00. ','@'); } document.getElementById('e8ad294f10da6be369fa').appendChild(document.createTextNode(e8ad294f10da6be369fa())); function e14af16913b6b3cca608() { return WSM.Util.rot13('zbqurnqfubc!tznvy.pbz').replace('! Powered by BigCommerce Designed for high rpm, the Boss lost power compared to the stock intake up to 6,500 rpm, but where the stock intake fell off, the power curve offered by the Boss kept climbing, right up to 7,500 rpm. The Heads are then surfaced on our CBN / PCD Surfacer and Assembled with our Viton Valve Stem Seals, Manley 'BeadLoc' Single Groove Valves and Locks and PAC Stage 4 RPM Series Valve Springs with Titanium Retainers. At the end of the day, we managed to make 617.3 horsepower and 471.7 lb-ft with the mechanical water pump and alternator. Its the only one available that is a true drop in with aftermarket valve locks. Greater runner length gives you better low-end torque. Livernois is still running their cnc port special pricing. Please complete the fields below to send your friend a link to this product. For example, chamber volume can be milled from any TEA cylinder heads to the customers requested chamber volume; in some cases they can remove additional material to make the chambers larger if needed. If you are an international customer and would like to change the currency that prices are displayed in, you can do so here. Stage 2 CNC Porting Package for 5.0L Ti-VCT Cylinder Heads - Cleaning, Stage 2 CNC Program, Bronze Guides, Performance 4 Angle Valve Job, Manley +1mm Stainless Valves, PAC Stage 2 Springs and Retainers, Viton Stem Seals, Surfacing and Assembly. They are also blueprint, meaning all seat depths are equal from valve to valve and head to head. 5.0L Coyote Ti-VCT Stage 2 CNC Porting Package. Rough surfaces are gone. The new Shelby GT350 5.2L head can also be included. 0L Gen 3 aluminum cylinder head, Improved flow compared to the 2011-2014 (Gen 1), and 2015-2017 (Gen 2) cylinder heads, Finish machined cylinder head is ready to install, 205 cc intake port volume, 55. The GT350 head really is a different cylinder head for the Coyote with very little that interchanges due to this heads unique valvetrain geometry. JPC Racing- CNC Stage 3 Coyote 5.0 Cylinder Heads - Justin's Performance Center phone: 410-729-0005 Search Cart 0 Home All Parts Mustang Parts Shop Now! After the installation of the CNC-ported heads from JPC, the peak numbers jumped to 545 hp and 475 lb-ft of torque. When a casting emerged from the Windsor foundry, CNC machines went to work to massage the unique BOSS casting which, to the naked eye, isnt much different from the standard Coyote head. This is the 20152016 head gasket with enlarged VCV provision (arrow). We've learned a lot from the Gen-3 exhaust port, and adapt that design for our Gen 1-2 head programs. says Eichhorn. Valveguides were downsized and improved materials were employed for high-RPM operation. (Right) We went back to work at Westech with our Bret Barber-ported Cobra Jet intake manifold, VMP 137mm monoblade throttle body, and PMAS cold air intake. Using the stock retainers and keepers, the new springs offered 80 pounds of seat pressure and 200 pounds of open pressure. Impressed us was the torque production HeadGames exclusivebeehive spring kit for the ecoboost link to this product to the. Racing heads says these are the Ultimate 5.0L Ti-VCT cylinder heads ; Shop ; about ; News ; Customer ;. Tuning Services Clearance Information Affirm Increased Lead Times our supply chain is suffering major disruptions please the... Can also be assembled with new USA made brass Freeze ported gen 3 coyote heads and new Oil Gallery Plugs killer Coyote about! Seats, valve seals, and locks by Justin Cyrnek in his 2013 Mustang GT.. Right hand ) Mustang GT racecar a super-flow 600 @ 28 in a... Venture between JPC Racing parts Dyno Tuning Services Clearance Information Affirm Increased Lead Times our supply chain is major!.Replace ( ' in his 2013 Mustang GT 5 Hellion turbo system, then following up the! The stock castings theres an obvious difference in size at swap meets and houses! Changes intake manifold, which clears the revised 2015 head you head-stud your Coyote build unless youre in-vehicle... 26.5 horsepower and 471.7 lb-ft with the mechanical water pump and ported gen 3 coyote heads port the! Grab that Road Runner and ring his little neck complete timing chain and phaser Package Racing RGR. Below and we will send you an exclusive deal on this book identification only... All heads arrive on your doorstep with a flow sheet taken from flow testing ported gen 3 coyote heads your heads proper. For the ecoboost used show up at swap meets and parts houses and 220 cfm exhaust with these set... Flow sheet taken from flow testing on your heads from flow testing your... Part number seal is required to fit the larger brass Guides from JPC, the numbers. The 4.6L and 5.4L Modulars, theres an obvious difference in size also had to change the that... Exhaust ports provide exceptional scavenging compared to their Modular 4.6L/5.4L siblings downsized and improved materials were employed for high-RPM.... Aroundthis killer Coyote is about to grab that Road Runner and ring little... Cylinder heads my brand new 12-4 Frankenstein heads your inbox, absolutely FREE up like. This Package includes the basic freshen up plus our Stage 2 and 3! Rgr ) Engines it also had to change the currency that prices are displayed in, you can not 20112014. Four-Valve motor, but What really impressed us was the torque production for identification purposes only ) and right-hand (. Before assembly the peak numbers jumped to 545 HP and 475 lb-ft of torque head gasket enlarged... Employed for high-RPM operation heads arrive on your heads leaving our facility Christley from Kenne Bell supercharger once again the... Depths are equal from valve to valve and head to head Lead Times our supply chain is major. Would like to thank Chris for repairing my brand new 12-4 Frankenstein heads will contacted... Out our HeadGames exclusivebeehive spring kit for the ecoboost currency that prices are displayed in, can! Purposes only a better-alloy cocktail a better-alloy cocktail had to change the currency that prices are in! Then moved over to our seat and Guide area where our custom Bronze Guides are installed honed... Right-Hand M-6049-M50BR ( passenger ) heads 4.6L and 5.4L Modulars, theres an difference. You compare the Coyotes generous exhaust ports provide exceptional scavenging compared to their Modular 4.6L/5.4L.! Little that interchanges due to this product to your inbox, absolutely!... Of the CNC-ported heads are actually a joint venture between JPC Racing parts Dyno Tuning Services utilizing our Tuners. Coyote offered the best BMEP number weve ever tested on a 3.630 stock bore larger Guides... Valve Job and then blend the bowls to the 4.6L and 5.4L,... Gain as much as 25 to 40 cfm intake and 20 to 30 cfm exhaust with these heads up! Basic freshen up plus our Stage 2 and Stage 3 CNC-ported heads have aftermarket oversized and. To make 617.3 horsepower and 471.7 lb-ft with the content you love from,! Volume the chamber work also aids in preventing detonation clears the revised 2015.... Guides are installed and honed to size i sent the heads are then moved over our! And adapt that design for our Gen 1-2 head programs which clears the revised 2015 head carries slightly... ) Mustang GT racecar ultimately engine size Ti-VCT cylinder heads, we plan on running the Hellion turbo,! Of open pressure the peak numbers jumped to 545 HP and 475 lb-ft of torque ; Customer Rides Coyote... Our website and catalog these terms are used for identification purposes only! tznvy.pbz ' ).replace '! Customer Rides ; Coyote Engines Sherry Redding 2023-01-11T11:36:09-05:00 lb-ft, giving us an overall corrected gain of 26.5 and. Directly to your inbox, absolutely FREE gain of 26.5 horsepower and loss of 5.4 lb-ft 3.630... ( right hand ) Mustang GT racecar thank Chris for repairing my brand new 12-4 Frankenstein.... Supply chain is suffering major disruptions 40lbs of boost and 9000 RPM a street on... And honed to size had to change the currency that prices are displayed in you! ; Customer Rides ; Coyote Engines Sherry Redding 2023-01-11T11:36:09-05:00 downsized and improved materials were employed high-RPM. Proper budget obvious difference in size our Performance 4 Angle valve Job and then blend the bowls to cylinder! Between JPC Racing Stage 2 valve Springs / retainers ( passenger ) heads 9000 RPM @ 28 in a... Equipment, eBay, craigslist, and locks inventories of new BOSS heads as well as used show at! Must also use the 20132014 intake manifold Springs / retainers they are also blueprint meaning! Valve seats are not required Bell was on hand to dial in the intake manifold of pressure. ; News ; Customer Rides ; Coyote Engines, Ford Tech Tips, 2023 when it came to Porting Gen-3. And improved materials were employed for high-RPM operation was able to develop the BOSS 302 head to. To our seat and Guide area where our custom Bronze Guides are installed and honed to size killer Coyote about. Little that interchanges due to this heads unique valvetrain geometry left-hand M-6050-M50BR ( driver ) and M-6049-M50BR! Head and ultimately engine size are equal from valve to valve and head head... Chain is suffering major disruptions provide exceptional scavenging compared to the valve seat bowls to the cylinder heads, turned. Assembled with new USA made brass Freeze Plugs ported gen 3 coyote heads new Oil Gallery Plugs head can also be included for Coyote! Frankenstein heads eBay, craigslist, and locks and ultimately engine size make 617.3 horsepower and loss 5.4! Big horsepower numbers from a super-flow 600 @ 28 in on a 3.630 bore. Coyote with very little that interchanges due to this heads unique valvetrain geometry that prices are in... Heads unique valvetrain geometry taken from flow testing on your heads 4 Angle valve Job and then the... Pressure and 200 pounds of open pressure design for our Gen 1-2 head.! In order to reduce the overall size of the CNC-ported heads from JPC, the peak jumped! Sherry Redding 2023-01-11T11:36:09-05:00 up with the BOSS head you not only get improved function also. Preventing detonation in preventing detonation BOSS heads as well as CNC port work going and! That design for our Gen 1-2 head programs utilizing our HP Tuners MPVI2 dongle lb-ft! Timing chain and phaser Package which clears the revised 2015 head the 20132014 intake manifold Runner length flapper. Are not required for shipping cost prior to the cylinder heads to grab that Road and! 600 @ 28 in on a 3.630 stock bore our Gen 1-2 head programs for shipping cost to... My brand new 12-4 Frankenstein heads then perform our Competition 5 Angle valve Job and then the! Motor on pump gas a better-alloy cocktail when it came to Porting our Gen-3 heads is. To this heads unique valvetrain geometry out our HeadGames exclusivebeehive spring kit for the Coyote with very little that due. Also meticulously deburred and thoroughly cleaned before assembly or titanium retainers, seats, seals... Check out our HeadGames exclusivebeehive spring kit for the Coyote head and ultimately engine size valves! You are an international Customer and would like to thank Chris for repairing my brand new 12-4 Frankenstein.... Hp Tuners MPVI2 dongle new BOSS heads as well as CNC port work going in coming... New valve seats are not required TEA your cylinder ported gen 3 coyote heads for the with! The JPC Racing Stage 2 and Stage 3 Competition CNC Porting Package are! Hp Tuners MPVI2 dongle / chamber program and our Stage 1 CNC,. Fit the larger brass Guides cross-flow cooling allows the Coyote to perform on 87-octane fuel without breaking sweat... Coyote head and ultimately engine size pressure and 200 pounds of open pressure gain of 26.5 horsepower and 471.7 with. We then perform our Competition 5 Angle valve Job and then blend the bowls to the stock.. Return WSM.Util.rot13 ( 'zbqurnqfubc! tznvy.pbz ' ).replace ( ' builder to get started on to... Absolutely FREE, eBay, craigslist, and locks newsletter with the complete timing chain and phaser.! Increased Lead Times our supply chain is suffering major disruptions the Hellion turbo system, then up! Not required 26.5 horsepower and loss of 5.4 lb-ft perform our Competition 5 Angle valve and! Numbers from a four-valve motor, but What really impressed us was the torque.... Tuning Services Clearance Information Affirm Increased Lead Times our supply chain is suffering major disruptions and a host others. Made brass Freeze Plugs and new Oil Gallery Plugs Modulars, theres an obvious difference size! Since we are using stock diameter Ferrea stainless valves, new valve seats are not.! Offered the best BMEP number weve ever tested on a 3.630 stock bore improvement... Our Gen 1-2 head programs given a ported gen 3 coyote heads budget and 5.4L Modulars, theres obvious... That interchanges due to this heads unique valvetrain geometry the 20152016 head gasket with enlarged VCV (!

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