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How Much Horsepower Does A Ford 428 Have? 16 Most Correct Answers

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the 427 is a large bore short stroke motor (4.23″ bore x 3.78″ stroke) made to produce horsepower at high rpms. By 1965 Ford had a 427 motor that could run 7500 rpms for 24 hours. The 428 (4.13″ bore x 3.98″ stroke) is a low rpm torque motor for the street. Both can make the same horsepower.In original factory trim the 428 Cobra Jet was capable of well over 400 hp at 5,600 rpm however Ford claimed just 335 hp to keep insurance companies happy – a number of other theories for this power understatement have been floated over the years, including the fact it allowed the car to qualify for lower power classes …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.

The factory power rating seemed to be a typo. Without a wink or a nod, Ford claimed the new CJ made 335 hp at 5,600 rpm and 445 lb-ft of torque at 3,400 rpm.

Testing 4-2-8… How Much Horsepower Does the Ford 428 Cobra Jet Really Make?
RPM Torque (lb-ft) HP
5,000 376.5 358.9
Nov 21, 2016
Engine Basics
Year 1968
Power (hp) 335 hp @ 5,400 RPM
Torque (lb/ft) 440 lb/ft @ 3,400 RPM
Compression 10.6:1
Displacement 428 cu / 7.0 liters
How Much Horsepower Does A Ford 428 Have?
How Much Horsepower Does A Ford 428 Have?

Table of Contents

How much horsepower does a 1968 428 have?

Engine Basics
Year 1968
Power (hp) 335 hp @ 5,400 RPM
Torque (lb/ft) 440 lb/ft @ 3,400 RPM
Compression 10.6:1
Displacement 428 cu / 7.0 liters
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What is the difference between a Ford 427 and 428?

the 427 is a large bore short stroke motor (4.23″ bore x 3.78″ stroke) made to produce horsepower at high rpms. By 1965 Ford had a 427 motor that could run 7500 rpms for 24 hours. The 428 (4.13″ bore x 3.98″ stroke) is a low rpm torque motor for the street. Both can make the same horsepower.


Ford FE 428 Cobra Jet on dyno – 477 horsepower on pump gas

Ford FE 428 Cobra Jet on dyno – 477 horsepower on pump gas
Ford FE 428 Cobra Jet on dyno – 477 horsepower on pump gas

Images related to the topicFord FE 428 Cobra Jet on dyno – 477 horsepower on pump gas

Ford Fe 428 Cobra Jet On Dyno - 477 Horsepower On Pump Gas
Ford Fe 428 Cobra Jet On Dyno – 477 Horsepower On Pump Gas

How much horsepower does a 428 Police Interceptor have?

In original factory trim the 428 Cobra Jet was capable of well over 400 hp at 5,600 rpm however Ford claimed just 335 hp to keep insurance companies happy – a number of other theories for this power understatement have been floated over the years, including the fact it allowed the car to qualify for lower power classes …

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.

How much horsepower does a 429 Cobra Jet engine have?

At 375 horsepower and 450 lb-ft of torque, the 385-series 429ci big-block was the most powerful factory engine ever installed in a first generation Mustang. Ford initially used the short-block with hemi heads in ’69 to conceive the limited production Boss 429 Mustang. However, the Boss 429 was not for everyone.

How much horsepower did the 428 Cobra Jet really have?

The Cobra Jet engine was officially rated at 335 horsepower at 5600 RPM and a peak torque of 445 lb-ft of torque at 3400 RPM.

428 Cobra Jet Performance Specs.
Horespower 335 @ 5600 RPM
Compression Ratio 10.6:1
Displacement 428 Cubic Inches (7.0L)
Bore 4.13 Inches
Stroke 3.984 Inches

Is a Ford 428 a big block?

The Ford 428 Big Block V8 Birthed The Cobra Jet And Changed Mustang Muscle Cars Forever. Ford’s original big block V8s dated all the way back to 1958 when the FE family of engines debuted with the original 332 cubic inch design (accompanied by a 352 cubic inch option as well).

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See some more details on the topic How much horsepower does a Ford 428 have? here:


The Ford 428 Big Block V8 Birthed The Cobra Jet And …

Ford advertised the 428 Cobra Jet’s horsepower at 335 (10 less than the Thunderbird) with 440 lb-ft of torque, and whether those numbers were …

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428 Engine Specifications | Classic Cars

Site Navigation[Skip] ; Maximum Horsepower, 335 BHP @ 5,400 RPM, 345 BHP @ 4,600 RPM (“Q” series). 340 BHP @ 5,400 RPM (“P” series) ; Firing Order, 1-5-4-2-6-3-7- …

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Five of the most underrated engines and their true power

Firstly, “Cobra Jet” is the coolest engine name ever. The Cobra Jet was a high-performance version of Ford’s 428 big-block and it was so …

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Maximum HP for 428 CJ

who Shoe put me on to. We were discussing my rebuild. With a stock rebuilt 428cj, original intake and carb (which are good to well over 500hp), …

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How much horsepower does a Ford 427 have?

Specifications. The Ford 427 Cammer produced 616 horsepower with single four-barrel carburetor and 657 horsepower with dual four-barrel carburetors. This made the engine one of the most powerful engines to come out of Detroit during the octane-fueled 1960s.

How much horsepower did the 427 side oiler make?

How Much Horsepower Does A 427 Side Oiler Have? The engines were rated at 616 horsepower (459 kW) at 7,000 rpm & 515 lb ft (698 Nm) of torque at 3,800 rpm, and while they were equipped with dual four-barrel carburetors, they made 657 horsepower (490 kW).

What is the difference between 428 CJ and 428 SCJ?

The CJ block differs from the plain 428 due to the additional webs cast into the main bearing saddles. The SCJ block is the same as a CJ. The differences for the SCJ were: 1) The beefer 427 “LeMans” connecting rods.

What is a Boss 429 engine?

The Boss 429 engine featured a semi-hemispherical combustion chamber head fit over a massive 4.900-inch bore-spacing block that allowed for huge pistons and plenty of room for valves. It shared its 4.36-inch bore with the 460, but used a shorter 3.59-inch stroke.

What year did the 428 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.


Ford 428 Cobra Jet on dyno – over 450 horsepower!

Ford 428 Cobra Jet on dyno – over 450 horsepower!
Ford 428 Cobra Jet on dyno – over 450 horsepower!

Images related to the topicFord 428 Cobra Jet on dyno – over 450 horsepower!

Ford 428 Cobra Jet On Dyno - Over 450 Horsepower!
Ford 428 Cobra Jet On Dyno – Over 450 Horsepower!

Who made the 428 engine?

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.

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How much is a 1969 Cobra Jet?

This 1969 Mustang is a factory 63A Sportsroof car with an “R code” 428 Cobra Jet engine and Ram Air shaker hood. Factory 4-speed with GT Equipment Package.

Detailing.
Vehicle: 1969 Mustang GT Cobra Jet 428
Original List Price: About $3,400
SCM Valuation: $45,000–$70,000
Tune Up Cost: $300
Distributor Caps: $20
Jan 4, 2012

What is a 1969 Mach 1 worth?

Prices tend to start at around $70,000 for a 1969 Mach 1 Mustang, and for that, you can have one that has relatively high mileage on the clock, though — generally speaking — it will have been well looked after. This tends to be a common theme with Mach 1s, given how popular they are with enthusiasts.

How much HP does a 460 big-block have?

What Are the Specs of the Ford 460 Crate Engine? The Ford 460 crate engine – the Z460 – makes 575 horsepower and 575 lb. -ft. of torque.

How much horsepower did the 426 hemi really have?

Auto Machine reveals the 426 Street Hemi’s true power potential. The Land and Sea dyno reveals the Hemi’s actual output: 494.4 hp at 5,950 rpm and 498.3 lb-ft at 4,500 rpm. At 5,000 rpm, where Chrysler claimed 425 hp, it makes 459.3 hp.

How much horsepower does a Boss 429 have?

The Boss 429 engine used a single Holley four-barrel carburetor rated at 735 CFM mounted on an aluminum intake manifold. All these cars had 4-Speed Manual Transmissions and the Boss was rated very conservatively at 375 HP while actual output was believed to be well over 500 horsepower.

How much horsepower does a 1970 426 Hemi have?

MoPar 426 Hemi

The 426 street Hemi was rated at 425 horsepower from the factory. This Chrysler dyno sheet from decades ago and this close-to-stock dyno session of a new 426 Hemi both put the gross horsepower rating at about 470 horsepower without full exhausts and other engine-driven accessories.

How much HP does a 440 have?

Although the most powerful factory stock 440 engines produced a rated 390 gross horsepower, the OEM blocks can take power in the 600hp range, and survive practically indefinitely at the 500-550hp level.

Is the Ford 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. Although the Boss 429 Hemi design worked great on the track, the large port heads were too big for street use, so the Ford engineers designed a different head for the passenger car engines.

What is the difference between a Ford 390 and a 428?

As referenced earlier, the 390 was a 4.050 bore and a 3.781 crank. The 428 was a 4.130 bore and a 3.984 crank. Ford 428s had a different water jacket core which can often be identified by the “428” cast in the bottom of the inner water jacket right under the center freeze plug.


1/4 Mile DRAG TEST !! 1968 428 Cobra Jet Mustang !! Road Test TV®

1/4 Mile DRAG TEST !! 1968 428 Cobra Jet Mustang !! Road Test TV®
1/4 Mile DRAG TEST !! 1968 428 Cobra Jet Mustang !! Road Test TV®

Images related to the topic1/4 Mile DRAG TEST !! 1968 428 Cobra Jet Mustang !! Road Test TV®

1/4 Mile Drag Test !! 1968 428 Cobra Jet Mustang !! Road Test Tv®
1/4 Mile Drag Test !! 1968 428 Cobra Jet Mustang !! Road Test Tv®

What did a Ford 428 come in?

A very few 1966–1967 models had a 427, and the 428 CJ was available in 1969. Mustangs and Cougars were often FE equipped from 1967 through 1970. The 1967 and 1968 big-block models were nearly all 390 equipped. In 1969, there were a few 390s, but the 428 CJ was the engine of choice.

What is the biggest Ford big-block?

Ford 385 engine
Ford 385 V8
Configuration Naturally aspirated Big-block V8
Displacement 370 cu in (6.1 L) 429 cu in (7.0 L) 460 cu in (7.5 L)
Cylinder bore 4.360 in (110.7 mm)
Piston stroke 3.59 in (91.2 mm) 3.85 in (97.8 mm)

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