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How Do You Identify A Cobra 429 Jet Head? Quick Answer

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How Do You Identify A Cobra 429 Jet Head?
How Do You Identify A Cobra 429 Jet Head?

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How do you tell if its a 429 is a Cobra Jet?

If you see a “4U” or “4UA” marking, you’ve found a 429 crank with 3.590-inch stroke. If you see “2Y” or “3Y,” you’ve found a 460 crank with a 3.850-inch stroke. A 429 Cobra Jet or Super Cobra Jet crank will have a Brinell hardness-tested dimple mark in the first counterweight.

How do I identify my Cobra Jet heads?

The casting number, C8OE-6090-N, can be found in the recessed area between the middle two spark plugs as shown in the picture below. If the casting number is questionable, check the number of bolt holes on the exhaust manifold face for additional identification assistance (428 CJ heads should have sixteen bolt holes).

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Lykins Motorsports 428CJ Cobra Jet Head Assembly

Lykins Motorsports 428CJ Cobra Jet Head Assembly
Lykins Motorsports 428CJ Cobra Jet Head Assembly

Images related to the topicLykins Motorsports 428CJ Cobra Jet Head Assembly

Lykins Motorsports 428Cj Cobra Jet Head Assembly
Lykins Motorsports 428Cj Cobra Jet Head Assembly

What is the difference between a 429 Cobra Jet and a 429 Super Cobra Jet?

Compared to a plain ol’ Thunder Jet 429, a Super Cobra Jet would cost about $500 more and net you 15 advertised horsepower. Fifteen. You could get that from a set of headers and a better cam, then buy a set of sticky tires with the change.

What makes a 429 a Cobra Jet?

Rather than re-engineer the stock head completely, the 429 Cobra Jet simply offered larger valves and ports, a higher compression ratio (11.3:1), and a number of other hardware upgrades to support an advertised 370hp rating (along with the ubiquitous 450 lb-ft of torque).

How can you tell a 429?

How Do You Tell If A 429 Is A Cobra Jet? In your test box, you’ll see a 429 crank with three wheels. There is a stroke of 590 inches. Look for “2” or “3Y” in the hat bar to identify a 460 crank that has a three-way gear boost.

What is the difference between 429 CJ and 429 SCJ?

The 429 SCJ was a stronger version on the CJ. The difference was forged pistons, solid lifter cam and four bolt mains*. The rest of the info is the same. Even less common with a production of maybe 3,000.

How do I identify a Cobra Jet engine?

Look at the cylinder’s bolt pattern. The 428 Cobra Jet engine has a unique, 16-bolt pattern exhaust face. It will also have a chamber of 73 to 76 cc that was rough cast, making it less accurate than if it had been machined.


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429 super cobra jet ID ?

Cylinder heads: D0OE-R. This number is located on the OUTSIDE of the head, along the valve cover mounting rail and between the 3rd and 4th …

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How to Easily Identify Ford Big-Block Cylinder Heads

The 88-cc kidney bean chamber is common across the board for 429/460 engines. Valve sizing is 2.090-inch intake and 1.650-inch exhaust. The 429 Cobra Jet head …

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429 identification? | Ford Forums

You have a very early 1969 base model engine. If it is a 429, then it is as much a Thunder Jet (not Cobra Jet) as any other 4-barrel 429, and is …

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429 identification – Ford Truck Enthusiasts Forums

The engine block casting number is on the back, right near the starter. Look for C9XX-XXX, DXXX-XXX or similar. DOVE and DIVE were the only …

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How do I know what Ford head I have?

Look for three different locations where your Ford cylinder head code number will be located: on top of the head under the valve cover; on the bottom of the head, requiring the head to be removed; and on the side of the head just under the valve cover lip.

How do you identify cylinder heads?

The casting number of a GM cylinder head is located between the valve springs. It’s a long number of 6 to 8 digits. See “A” in the picture General Motors.

What cars had the 429 Cobra Jet engine?

What Did The 429 Cobra Jet Come In? Since 1968, there have been Lincoln Continentals (460) and Ford Thunderbirds (429), and Ford full-size vehicles since 1969. In 1996/7 model years, Ford produced the ninth generation of its F-Series truck. Ford’s Lima Engine plant in Lima, Ohio, manufactured the vehicles.

What makes a Super Cobra Jet?

The 428 Super Cobra Jet version was offered as a Drag-Pack option. It utilized a shaker hood scoop, temperature decreasing engine oil cooler, modified crankshaft, and stronger connecting rods for high-end revving. The powerful engine was backed by a four-speed manual transmission that fed into a limited-slip rearend.


429 SUPER COBRA JET

429 SUPER COBRA JET
429 SUPER COBRA JET

Images related to the topic429 SUPER COBRA JET

429 Super Cobra Jet
429 Super Cobra Jet

How much horsepower does a 429 Super Cobra Jet have?

With a 4.36-inch bore and shorter 3.59-inch stroke than the 460, the 429-cu-in Cobra Jet promised at least 370 hp thanks to its snappy 11.3:1 compression ratio, and it became the go-to power plant for the late-’60s Fords.

How much is a 429 motor worth?

How Much Is A 429 Motor Worth? Hagerty’s valuation tool reports that the average value of a Boss 429 is $200,000.

How much is a 1970 Torino 429 Cobra Jet worth?

This beautifully restored 1970 Ford Torino Cobra 429 SCJ Drag Pack is offered by North Shore Classics for just $85,000.

How can you tell the difference between a 429 and a 460?

The 429, with less displacement volume, had a shorter stroke length of 3.59, meaning it produced less power per camshaft rotation than the 460, which had a stroke length of 3.85, as mentioned above. The longer stroke produces more power and also allows for more and better high-performance modifications.

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How do I identify a Ford big block head?

The casting number (bottom arrows) is almost never the same as the Ford part number. The alphanumeric casting date code of “0E6” (top arrow) indicates the exact date the part was cast: May 6, 1960. The real beauty of Ford big-block heads is easy identification and broad selection in each engine family.

How do you read a Ford engine tag?

The Ford Motor Company has put identification number tags on some of its motors since the mid-1950s and on all of its motors since January 1964. These tags tell you the month and year of production, the model year, the change level number, and the CID (cubic inch displacement).

How do I identify a big block Ford engine?

Locate the engine identification tag on the block. It is usually located on the passenger side of the block near the second cylinder from the front. There are variances to its location, especially in earlier models.

What is a Boss 429?

The Boss 429 Mustang is a high performance Ford Mustang variant that was offered by Ford in 1969 and 1970. Engine builder Jon Kasse currently reproduces the cylinder heads that make up the “boss 9” engine architecture.

What makes a 428 a Cobra Jet?

With 335 hp, the potent 428 CJ offered a huge leap in power over the smaller 390-cube V8, which was the top Mustang engine for 1967. Bob Tasca of Tasca Ford in Rhode Island is credited with creating the engine recipe by mixing high-flowing 427 cylinder heads with the stout bottom-end of a FE 428 to create “Cobra Jet”.

How can I tell if my Cobra Jet is a 428?

If you have access to the rear of the block, the most definitive method for verifying that you are looking at a reinforced 428 block (as used in most 428 PI, 428 CJ, and 428 SCJ applications) is to check the rear face of the block for a scratch mark manually installed at the foundry which roughly reads “C”; see the …


429 Cobra Jet engine.

429 Cobra Jet engine.
429 Cobra Jet engine.

Images related to the topic429 Cobra Jet engine.

429 Cobra Jet Engine.
429 Cobra Jet Engine.

How much is a 428 Cobra Jet engine worth?

In the realm of Mach 1 cars, the one that collectors want is fitted with the 428 cubic-inch Cobra Jet engine. This example looks nearly perfect and is on eBay with a Buy It Now price of $59,900.

What year did the 428 Cobra Jet come out?

But on April 1, 1968, Ford pulled a literal fast one and introduced the 428 Cobra Jet — a street-legal racer packing a deliberately under-rated engine meant to game the NHRA class rules (and insurers). With a new race-only Cobra Jet on the way, it’s worth peering back to when and where it all started.

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