428 police interceptor vs 428 cobra jet

Shipping: US-Mainland: $19.99 . in. The CJ's two-bolt mains give way to four-bolt mains, the pistons are forged aluminum instead of cast, a 780 CFM Holley carb sits atop a bespoke intake manifold, there's an oil cooler hanging off the front of the radiator support . closest to stock 428 CJ engine I've seen tested so far. Below is the info I found to confirm my car has the 428 engine. The 5th letter of the VIN denotes the engine the car was built with. Standard 9'' rear end had 3.50:1 gears, with 3.91:1 L and 4.30:1 L ratios available. Ford 428 Cobra Jet FE Parts - $1 (Lansing) Ford 428 Cobra Jet numbers matching and general FE parts. The Lunati 10503 is their replacement CJ grind. Although many early Mustang articles suggest that the 428 Cobra Jet was designed by Mr. Tasca, there are in fact more than 30 design differences between the components used by Mr. Tasca, the 428 PI, and the released 428 CJ. The Cobra Jet package consisted of a 428 short-block with police interceptor heavy-duty connecting rods and topped by 427 "low-riser" cylinder heads and a Holley 735 cfm four-barrel carburetor. It was offered with the C6 automatic or the 4-speed manual transmission, with three differential ratios on offer, uprated front shock towers, front disc brakes, a functional hood scoop and a "C . $849.95. $749.95. 'Police Interceptor' Cobra Jet V-8 engine and, furthermore, one of 860 fitted with the C-6 . Was building a 428 Cobra Jet motor, but am going to stroke a small block instead. The 428 maximum r.p.m. Feb 11, 2019. The biggest downside to the PI's were the use of the 8 bolt heads (390/428) for the fullsize cars along with the log exhaust manifolds and small Autolite carb.. Another way to tell if it might be a 428 is to remove one spark plug, take a stick or dowel and measure the stroke of the piston, it should be 3.980", a 390,406, or 427 will have a 3.780" stroke and a 330,352,or 360 will have a 3.500" stroke. PLEASE SUBSCRIBE, LIKE, COMMENT, AND SHARE! of torque at 3200 rpm. Very true, the T-Bird, std CJ, and police interceptor 428, (and 410s) DO NOT HAVE THE HATCHET ON THE FRONT OF THE CRANK(I own two std CJ 428s). Some of these big-block Cobras were also equipped with the 428 Police Interceptor." From what I understand of the 427 Cobra, the 427 was, indeed, the motor that made the car famous. The 428 SCJ was first introduced during the 1969 model year. Connecting rods are similar to those used in the 390 GT, but CJ and Police Interceptor engines are fitted with 13/32" bolts. Was building a 428 Cobra Jet motor, but am going to stroke a small block instead. 7 Rfrences. The intake manifold is made out of aluminum . The Cobra Jet claimed a 10.6:1 compression ratio and used the same hydraulic camshaft as the 390 GT engine, which was a fairly aggressive grind for . Ordering either of these axle ratio options commonly triggered a few other upgrades as well, including the 428 Super Cobra Jet engine, an external oil . The stock 390 comes in at 389 The article reads (under the photo of the 427 Cobra) as follows: "The big-block Cobra was in a class by itself in both looks and performance. Here are some details: Most all FEs like the same basic timing (heck most all engines for that matter, 'cept for newer fast burn heads). 1969 FORD Fairlane 428 COBRA JET FUEL PUMP 1968 FORD Fairlane 428 COBRA JET 1968 FORD Fairlane 427 FUEL PUMP 1967 FORD Fairlane 427 FUEL PUMP Early '68 GT 500's were given Ford's 428 police interceptor engine. Afficher / masquer la sous-section Voir aussi . The VINs I've seen for alleged Q-code cars have all turned out to be cars that originally left the factory as C-code (289-2v) cars, meaning someone modified the cars and altered the VIN - and that's not legal. C7ME-A '67 - '70/ 428 c.i.d. Although it doesn't tell for sure about the block it will confirm whether the crank is a 428 stroke. Also have some 428 Police Interceptor parts and general FE parts.Cobra Jet Specific with . Randy. 1969 Boss 429 Front Chin Spoiler - Early & Late Version Available. They had four high gear clutches too. Nov 15, 2018 #7. A true Cobra Jet block will have a C cast in the back the block where the bell housing bolts up. Ford first offered 'big block' power in the facelifted 1967 Mustang and the option continued for 1968, and this professionally restored, meticulously maintained example is one of 42,325 fastbacks produced for that year, including one of just 1,044 fitted with the R-Code 335 bhp, 428 cu. The San Antonio, Texas classic packs a 429 . Once we get to the 1968- 428 Cobra Jet, different Holley carburetors were . The Cobra Jet package consisted of a 428 short-block with police interceptor heavy-duty connecting rods and topped by 427 "low-riser" cylinder heads and a Holley 735 cfm four-barrel carburetor. You now . An "A" indicates it's a standard 428 block (not reinforced). 358.9. 428-4V, Police Interceptor, Cobra Jet C7ME-C '67/ 428 c.i.d. The casting number is C6ME which covers 390 motors between 1966 and 1976, and it appears to cover a 1966 428, so have no clue how to differentiate . The 428 Cobra Jet can be regarded as one of the greatest racing engines made by Ford. Standard Cobra Jets use 13/32-inch nuts and bolts. . 428 Cobra Jet Smog Emissions System. Show All. Free shipping for many products! 5 Vhicules. Two totally different motors with the '71 Ford P.I having a 429 Cobra Jet equipped with a GM Quadra Jet 780 CFM 4V Carburetor which was rated by FoMoCo at 375 HP, and actually dynoed . The 428 PI however had the solid lifter cam from the 410 HP 427 and used the MR 427 intake manifold. The 390 has a 3 3/4 inch bore. VISIT MY PAGE FOR MORE VIDEOS! . untouched 1968 428 Police Interceptor in a police car in a junkyard. Find many great new & used options and get the best deals for Ford 390/427/428 Police Interceptor/Cobra Jet PCV Valve at the best online prices at eBay! FUEL PUMP FORD 352 390 406 427 428 MUSTANG MACH CJ POLICE INTERCEPTOR. The 66/67 PI received the Aluminum intake for a period. FUEL PUMP FORD 352 390 427 428 1969 1968 1967 1966 1965 1964 1963 FUEL PUMP BRAND NEW USA MADE SAME FIT AS 4918 NOT SOME DRIED OUT OLD JUNK for 3/8 fu An "A" indicates it's a standard 428 block (not reinforced). Kevin Marti confirms that the records his company has licensed from Ford do not include any 1968 Mustangs equipped with a "Q" engine code. The 428 Cobra Jet is cast iron block and head construction. 500. #3. Not intended for true racing durability, it lacked the bottom end features of the side-oiler 427. . The option continued for 1968, and this professionally restored, meticulously maintained example is one of 42,325 fastbacks produced for that year, including one of just 1,044 fitted with the R-Code 335 bhp, 428 cu. The '66 police C6 was a "select shift" like the 390GT Fairlane trans. This is still a highly sought after carburetor. The number on the lower right bank, (have to get under the car to see it if the engine is not out of the car) stamped during casting (and difficult . These are a few ways you can tell. Only the SCJs had this feature. In addition the ford dog tag was still next to distributor "428 66 with ford emblem, 5 M E 410" I even checked the Ford big block book " High Performace Fords" by George Reid pg 102 shows 428 's from 1966 on. The 428CJ intake will have the casting # C8OE-9425-C behind the carb. . The real cobra jet block had reinforced webbing as well as a higher nickel content, i.e. The 428 was the same Cobra Jet engine offered in the stock big block Mustang. It utilized a very rare Holley carburetor, engineering number C8ZX-A, for both manual and automatic transmissions. texas middle school track results. . The 429 was not produced until 1969. Head and Block Specs. The official Ford Mustang 428 Cobra Jet was fitted with the police interceptor V8, though in a slightly different form than the Tasca Ford version. Reply. The most common intake manifold used for both 428 Cobra Jet and Super Cobra Jet engines from 1968 through 1970 is easily identified. The PI's used in the Shelby also used the same 390/428 passenger car heads with . Date code on driver side app 1969 Boss 429 Front Chin Spoiler - Early & Late Version Available. They were just burning the tires off of them. Only show this user. Total timing should be no more than 38 degrees. 67 - 70 428 428-V4 police interceptor cobra Jet or 410 76 mercury. 428 Cobra Jet Standard was 2.09 inch intake and 1.66 inch exhaust valves. Also have some 428 Police Interceptor parts and general FE parts.Cobra Jet Specific with numbersExhaust manifolds and spacer - C8OE-9430-D and C8OE-9431-B. onstage music new port richey; kawasaki vulcan 's peg scrape; 1968 shelby gt500kr convertible In April 1968, Ford introduced the Cobra Jet, built from a 428 Police Interceptor short block with 427 "low riser" heads, among other heavier-duty performance partssimilar to what . Crankshafts used in the 428 Super Cobra Jet are stamped "1UB" and are balanced differently due to the use of the beefier LeMans connecting rods, which use cap screws to secure the rod cap in place. The 428 CJ was also present in 1967 Police Interceptor cars and also the Mustang GT500 (EXCEPT for the KR). Midway through the 1967 model year, the 427 was swapped out for a newer 428 Cobra Jet engine equipped with a Holley four-barrel carburetor. It's a cast iron, 4v dual plane design that carries engineering number C8OE-9425-C. . The compression. $12.00. New New New. After that date Ford offered one crankshaft for 428 CJ. Find out which one was the fastest, including 1/4-mile ETs and MPH! Some earlier 428s also got this block. 2 available. you have to take it a part and measure the crank. The Cobra Jet claimed a 10.6:1 compression ratio and used the same hydraulic camshaft as the 390 GT engine, which was a fairly aggressive grind for . Aluminum 428 Police Interceptor (PI) intakes are a popular replacement since they interchange readily and weigh a whole lot . Mar 26, 2005. The 428 Cobra Jet engine powered nine different Ford Muscle Cars. Featuring a compression ratio of 10.6:1, the 428 CJ made use of 427 cylinder heads, upgraded connecting rods, and an iron intake manifold matched with a Holley . I worked at a Ford dealership in ''66 and we "locked out" 1st gear on the 428 C-6 police cars. The valve train uses an overhead valve (OHV) system, with 2 valves per cylinder for a total of 8 per head. Regarding the 428, it also matters if the block is a true CJ block or a police interceptor block. MADE IN USA. based on piston speed is 5,276. your 390 with the 428 piston combo will, with very little add ons will get you just this side of 400 h.P. You can also check the build dates on the parts as well because they did not start pitting them in production cars till about March of 1968. While the car itself rotated on a turntable, the engine was placed to its left side, "running" courtesy of a 12-volt . The various 428 Cobra Jet codes for 1969 remained the same for 1970, and the Drag Pack also continued to turn any CJ into an SCJ in Mustang or Cougar for weekend-warrior duty at the strip. Enter The Cobra Jet. The 428 police interceptor engine could be found on both the 1967 Shelby GT500 and the 1968 GT500KR. 4.5.5 Configurations et applications de moteurs 428 Cobra-Jet et Super Cobra-Jet. The heads and intake were unique to the 428CJ. 428-4V, Police Interceptor, Cobra Jet C8ME '68 - '70/ 428 c.i.d. This block was still standard bore and crank only needed polishing. Grumpy. 1966. In essence you can add a set of stock iron CJ . The 428 short-block used police interceptor heavy-duty connecting rods and was topped by 427 "low-riser" cylinder heads (very similar to Tasca's 406 pieces), and a Holley 735-cfm four-barrel, though on an iron intake rather than the aluminum police interceptor casting. The low riser, revised, 427 heads had huge rectangular ports . Another way to tell if it might be a 428 is to remove one spark plug, take a stick or dowel and measure the stroke of the piston, it should be 3.980", a 390,406, or 427 will have a 3.780" stroke and a 330,352,or 360 will have a 3.500" stroke. Although I agree that the heads are the MAIN differance on a Cobra Jet vs a TBird 428, the other differences DO exist.One of my 428`s I have was a new 428CJ "Service" short block, that was bought from a Ford dealer in the mid 70`s, and installed into a 1966 F100 pickup, using the trucks original 352 heads. . Ford didn't even have proper exhaust manifolds for the 428 Cobra Jet in the Mustang, so they installed ill-fitting 390 manifolds, just to get it out the door. The Cobra Jet package consisted of a 428 short-block with police interceptor heavy-duty connecting rods and topped by 427 "low-riser" cylinder heads and a Holley 735 cfm four-barrel carburetor. Timing Pointer Ford 428 Police Interceptor 1967 Shelby GT500. But, from the factory it was never as powerful as the (solid lifter) 427. The Police Interceptor 428 was produced in 1966 and had a slightly better carburetor setup than the standard 428 as well as some general changes in the compression and the intake and exhaust settings of the lifters. The 428 Cobra Jet, introduced April 1968, was a high torque, quiet, and inexpensively built engine. In '67 the PI engine got the 390GT cam. 428 Cobra Jet Exhaust Manifold Heatshield & S-Tube Riser 68-70 Mustang Shelby. "Police Interceptor" Cobra Jet V-8 engine and . The advance curve should be completely in by 3000 rpm, maybe a little sooner (2500) if your engine can accept it. Randy again had . 6 Remplacement. Featured Products 428 Cobra Jet Exhaust Manifold Heatshield & S-Tube Riser 68-70 Mustang Shelby. Like in a week or two! The 428 Cobra Jet, introduced April 1968, was a high torque, quiet, inexpensively built engine. No marks means it's either an overbored 390 or a service block with the proper cylinder and bulkhead reinforcements. c6ae-c. 1,540 37. you have to take it a part and measure the crank. Once we get to the 1968- 428 Cobra Jet, different Holley carburetors were . It was date-coded six weeks past #135044's build date, but Tom said he could live with that. Ford first offered 'big block' power in the facelifted 1967 Mustang. The stock 390 intake will have a large "S" on the front of it. stronger. 22 Though some claim the 428 CJ actually made in excess of 400 hp, we observed 365.1 hp at 4,800 rpm, almost 10 percent more than advertised. The 66/67 PI received the Aluminum intake for a period. Follow me on social media:Instagram - Nate_Rider_SVTTik Tok - Nate_rider_s197 Comm. . The 428CJ intake will have the casting # C8OE-9425-C behind the carb. Basically, a 428 is just a stroked 390, and tuned for massive torque over horsepower. is down half a point over original, which may be losing 10 or 12. horsepower. The story has been told in numerous books and magazine articles. The real output was around 420 horsepower, but Ford rated it at 335 horsepower in an effort to calm insurance agents and con dragstrip rules-makers. One used for normal 428, the 428 Police Interceptor, and the 428 CJ before 12/26/69. The police interceptor was an early edition of the cobra jet. From there the step up to the Super Cobra Jet package in a Torino meant the 3.91 ($155) or 4.30 ($206) axle ratio. based on piston speed is 5,276. your 390 with the 428 piston combo will, with very little add ons will get you just this side of 400 h.P. The 70 428 PI would be a 428CJ shortblock (4.13 bore and 3.98 stroke) with the stock CJ/GT cam, standard pass car C8AE-6090-H heads (2.02 - 1.55 valves) a 428 CJ cast iron C8OE-9425-C intake, Autolite 4100 carb (or holley but not certain which one) and log exhaust manifolds. Someone in the Forum suggested that the correct code for a QCode 428 in 1966 should be C6ME-A which is a Cobra 4V police interceptor engine. All Cobra Jet matching number parts are in very good condition. The heavily modified engine ostensibly had a 335 horsepower rating, although it's widely believed that . The only other difference was the air cleaner which had some air valves that opened up at low vacuum to reduce inlet restriction. The reinforced 428 blocks (late 428PI/late 428CJ/428SCJ). The stock 390 comes in at 389 Details. 428PI rods would eventually be inherited by the 428CJ. Mustang buyers who selected either of the optional 3.91:1 or 4.30:1 rear end gear ratios got more than just an optional axle ratio! The 69/70 PI used the Cast Iron 428 CJ intake. and from what I have found, this manifold was installed on the police interceptor version of the CJ, so it could be correct . The PI's used in the Shelby also used the same 390/428 passenger car heads with . The 69/70 PI used the Cast Iron 428 CJ intake. Hundreds of healthy, seasonal, whole food recipes that you and your family will love The Cobra Jet claimed a 10.6:1 compression ratio and used the same hydraulic camshaft as the 390 GT engine, which was a fairly aggressive grind for . 67 - 70 428 428-V4 police interceptor cobra Jet or 410 76 mercury. The system was a traditional camshaft in the block orientation using pushrods. The 428 maximum r.p.m. All Cobra Jet matching number parts are in very good condition. The biggest downside to the PI's were the use of the 8 bolt heads (390/428) for the fullsize cars along with the log exhaust manifolds and small Autolite carb.. In a stroke of genius, Tasca ordered a factory stock 428 Police Interceptor short-block assembly from Ford and discovered through creative fitting that the 427 heads would work on the 428 short-block with little more than piston notching for larger valves. . "I flycut the pistons right in the block," Gilbert said. 8 Voir aussi. It utilized a very rare Holley carburetor, engineering number C8ZX-A, for both manual and automatic transmissions. All 1968 Ford Mustang 428 Cobra Jets had beefed-up front shock towers and Polyglas F70X14 tires. Not intended for true racing durability, it lacked the bottom end features of the side-oiler 427. . It was the old 428 block with a lot of changes. A "Q" for the 428" and a "Z" for a 390. Some earlier 428s also got this block. Bob. Although I agree that the heads are the MAIN differance on a Cobra Jet vs a TBird 428, the other differences DO exist.One of my 428`s I have was a new 428CJ "Service" short block, that was bought from a Ford dealer in the mid 70`s, and installed into a 1966 F100 pickup, using the trucks original 352 heads. Like Tasca's original creation, the Cobra Jet mixed police interceptor parts with bespoke Ford performance gear to build on the 428's already-impressive performance. No marks means it's either an overbored 390 or a service block with the proper cylinder and bulkhead reinforcements. This is the. Muscle Cars; Fastest; . The reinforced 428 blocks (late 428PI/late 428CJ/428SCJ). The 428PI pistons were the same as 428 passenger car pistons, and the 428PI got the same crankshaft balance as the 410, 428pass, and early 428CJ. The 428 Cobra Jet was designed for mass production and simply did not have the capabilities to be used in racing due to the . Although it doesn't tell for sure about the block it will confirm whether the crank is a 428 stroke. The 390 has a 3 3/4 inch bore. For years, we've known how Rhode Island Ford dealer Bob Tasca replaced the blown 390 in a '67 Mustang with a 428 Police Interceptor . 500. Only the SCJs had this feature. Concours Quality PCV Tube for 1968 Shelby GT 500 or other FE motor equipped with Police Interceptor Intake Manifold. The program was engineered, designed, tested, validated, released, and certified between January 1967 and August 1968. In '66 the 428 base engine was just a bored and stroked 390. The Cobra Jet 428 motors in Mustangs used heads from the 427, plus other enhancements to really put some hair on their chest. The stock 390 intake will have a large "S" on the front of it. Here's a dyno chart by one of the guys in the FE forum. . $749.95. . This plain and literally brown unmarked police car is a real-deal 1972 Ford Galaxie 500 P-Code police interceptor. The Cobra Jet claimed a 10.6:1 compression ratio and used the same hydraulic . After some break-in miles, we'd . Ford Police Interceptor de 1961 1963; Mercury Police Interceptor de 1963; 10.1:1 - 330 chevaux (250 kW) 5000 tr/min et 427 lbft (579 Nm) . In 1968 Ford came out with the 428 Police Interceptor engine that was used in the early Shelby G.T. 428 Cobra Jet Smog Emissions System. 428 Police Interceptor 428 Cobra Jet; Cylinder Heads: C3AE-6049-H: C7AE-6049-D (Production 390 - 410 - 428 - 428 PI) C8OE-6049-N Similar to earlier C4AE-H but with enlarged intake and exhaust ports, valve seat throat clearance cutter, and improved water jacket core print: Intake Manifold: $1,850.00. In 1968 Ford came out with the 428 Police Interceptor engine that was used in the early Shelby G.T. The "1U" stamping on this crankshaft reveals that it is a standard production 428-ci part. I am trying to confirm that a TBird motor is a Q Code 428. Very true, the T-Bird, std CJ, and police interceptor 428, (and 410s) DO NOT HAVE THE HATCHET ON THE FRONT OF THE CRANK(I own two std CJ 428s). 428 Cobra Jet CJ SCJ 289 351 390 GT PCV Wire Hose CLAMPS Ford Mustang GT500 5 pc. Ford 428 Cobra Jet numbers matching and general FE parts. Aug 5, 2020 at 10:41am . in. This is still a highly sought after carburetor. The cutaway Cobra Jet engine debuted with the new 1968-1/2 Cobra Jet Mustang. The intake should be stamped as C7AE-9425-F. Again, this intake would come on all 428 Police Interceptors and also all GT500 Mustangs (Except the KR) in 1968. Later CJs and all SCJs would get their own unique crankshaft balance to deal with the unique piston and rod weights. 14 . Although the engine is a V-8, it is truly Y-shaped as the Crankshaft sits down . Rated at 360 hp at 5400 rpm, the big block produced 420 ft. lbs. The back of the CJ block should have a "C" cast or welded into the back .