How can you tell a Boss 429?

The only way to ID a true Boss 429 block is by the oil return holes cast into the block. If they are not there,the oil will not return from the Boss 429 heads.

How much horsepower does a 428 Cobra Jet have?

With the Muscle Car horsepower race escalating for the 1968 season, Ford Motor Company introduced its all-new 428-cubic inch Cobra Jet engine. 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.

How much horsepower did the Boss 429 have?

The Boss 429 engine was a monstrous big-block, forcing changes to the front shock towers and bracing. Rated at a conservative 375 hp and 450-lb. ft. of torque, its installation in the Mustang created the ultimate super pony, albeit in low numbers.

Is the Boss 429 a Hemi?

The racing engine dubbed the Boss 429, was an aluminum hemi-head engine design with gigantic ports and valves for high rpm use. … The high-torque 429 engine was used in the big Fords and Thunderbirds starting in 1968, then in 1970 a high-performance version was used in the Ford Torinos and Mustangs.

Is a Ford 429 a big block?

In 1968, the 429 superseded the 427 as Ford’s premier big-block, replacing the heavier FE-series. … 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.

Are 429 and 460 blocks the same?

What’s more, the 429 and 460 are completely interchangeable engines with their 4.36- inch bores. The only difference is stroke. The quickest path to displacement is the stock 460 crank. Drop a 460 crank into the 429 block and you have a 460.

How much is a 429 engine worth?

$30,000 to $50,000 if complete.

What is a 428 Cobra Jet engine worth?

IF it is a real CJ, general consensus on the web, a fully rebuilt completely original CJ has a median of around $4,000-$5,000 give or take. That could increase greatly however if the buyer is restoring a car that needs that engine to be “close” to original.

Is the Ford 429 a good engine?

Yes, the 429 is a good engine. Simple to mod to get good power.

What is a 429 Super Cobra Jet?

The 429 Super Cobra Jet (429SCJ) was fitted with a Holley 735 cu ft/min (20.8 m3/min) 4-bbl carburetor, larger mechanical camshaft, and a four-bolt main block. The engine output was increased to 375 hp and 450 lb-ft of torque, coming with a 3.91:1 or 4.30:1 rear axle ratio.

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

If it is a 429, then it is as much a Thunder Jet (not Cobra Jet) as any other 4-barrel 429, and is factory rated at 360HP. Might be a 460, too, but the only way to tell the difference is by unbuttoning the pan… unless the tag is still on the intake manifold.

Did Ford make a 429 Cobra Jet?

The 429 Cobra Jet was a V8 engine offered by Ford Motor Company in the early 1970s that was a performance version of its regular 429 engine.

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

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.

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