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17 minutes ago, 56Sierra said:

Screwed up on the grill.  Jeeps have 7 grill openings. 

Oversized radiator for the bigger engine , would have been a air flow blockage with 7 slots --- guess he could have done 7 wider slots --- if you notice the body has also been widened 

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1 hour ago, Fishfiles said:

Oversized radiator for the bigger engine , would have been a air flow blockage with 7 slots --- guess he could have done 7 wider slots --- if you notice the body has also been widened 

I remember reading about Jeep suing another auto manufacturer because they infringed on their copyrighted 7 opening grill.  Get real.

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A custom bike could hardly be more different than Tarso Marques double hub-less Rolls Royce 550+ cubic inch aircraft engine powered motorcycle with 36” wheels, and center-hub steering from Brazil.

image.png

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8 hours ago, ATC4ever said:

1970 429 Cobra Jet 4 speed. At the local car show tonight.

cj 4.jpg

What is that a Torino 

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4 hours ago, Fishfiles said:

What is that a Torino 

 

I believe so.  Ford made a Falcon with basically the same body style that could be bought with a 429 Cobra Jet (they didn't make very many of them) but I think it had a post in the middle of the front door glass and the rear side glass.

Edited by RubiDan
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429 Cobra Jet Engine Specs

Article may contain affiliate links. As an Amazon Associate I earn from qualifying purchases.

 
image.png429 CJ via Bill Cook

429 CJ via Bill Cook

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.

This engine was primarily known for its use in the Ford Torino and was a part of the Ford 385 engine family.

The 385 name came from the 3.85 inch crankshaft stroke that was available in this engine family. There was also the Super Cobra Jet which offered and additional bump in performance. The Super Cobra Jet was only available with a final drive of 3.90 or 4.30, while the regular Cobra Jet was available coupled with a 3.25:1 final drive ratio.

The 429 Cobra Jet and Super Cobra Jet were not unlike many of the other specific engines in that era that did not have a very long production life. The standard 429 engine was first introduced in 1968, but the 429 Cobra Jet did not become available until 1970, with the 429 Super Cobra Jet becoming available in 1971. The production life of the Cobra Jet was very short with it being phased out in 1971.

429 Cobra Jet Performance Specs

Horespower 370* @ 5400 RPM
Torque 450 lb-ft @ 3400 RPM
Displacement 429 Cubic Inches (7.0L)
Compression Ratio 11.3:1
Bore 4.36 Inches
Stroke 3.59 Inches
Head Material Cast Iron
Block Material Cast Iron
Valvetrain Overhead Valve System (OHV)

Although the officially published power numbers for the 429 Cobra Jet were only slightly greater for the regular 429, the hardware differences and reviews would lead one to believe that the delta was much greater.

During this time, it was quite common or the manufacturers to sandbag on power numbers to allow for lower insurance rates. The power of this engine made it very popular for performance enthusiasts.

The 429 Cobra Jet was advertised as having 370 horsepower at 5400 RPM and 450 lbs-ft of torque at 3400 RPM.

These ratings when compared to the standard 429 provided an extra 10 horsepower; however the peak torque was 30 lbs-ft less than with the standard version. This is quite hard to believe given the higher flow carburetor (100 cfm more), considerably larger valve setup, and increase in compression ratio of 11.3:1 compared to 10.5:1 for the base version.

Many would estimate that this engine in stock version would likely be much closer to 400 hp. The Cobra Super Jet included an additional set of upgrades to the Cobra Jet but was only advertised as providing an additional 5 horsepower.

These engines all came in 429 cubic inch displacement, as you can gather from the engine name. This works out to 7.0 liters. This engine had a bore of 4.36 inches to go with a stroke of 3.59 inches.

Head and Block Construction

The head and block of this engine were constructed of cast iron. The Cobra Jet version offered cast iron intake manifold and stamped steel rocker arms.

The cobra jet engine used cast pistons while the super cobra jet used a forged manufactured piston.

The valvetrain used the common pushrod overhead valve system with 2 valves per cylinder, one intake and one exhaust. The cobra jet valvetrain used guide plates and hardened pushrods, with the super cobra jet using solid lifters. This is in contrast to the base version which utilized bottle neck rocker studs and self-aligning rockers.

The 429 Cobra Jet engine was without a doubt an engine that was much stronger than the numbers indicated. The combination of the 429 Cobra Jet engine in the Ford Torino is still a classic combination.

This engine was only available in normal production for a few years but is without a doubt still being used across the United States. The upgrades included in the 429 Cobra Jet made it a popular upgrade for those with the extra money to spend.

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15 hours ago, Fishfiles said:

429 Cobra Jet Engine Specs

Article may contain affiliate links. As an Amazon Associate I earn from qualifying purchases.

 
image.png429 CJ via Bill Cook

429 CJ via Bill Cook

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.

This engine was primarily known for its use in the Ford Torino and was a part of the Ford 385 engine family.

The 385 name came from the 3.85 inch crankshaft stroke that was available in this engine family. There was also the Super Cobra Jet which offered and additional bump in performance. The Super Cobra Jet was only available with a final drive of 3.90 or 4.30, while the regular Cobra Jet was available coupled with a 3.25:1 final drive ratio.

The 429 Cobra Jet and Super Cobra Jet were not unlike many of the other specific engines in that era that did not have a very long production life. The standard 429 engine was first introduced in 1968, but the 429 Cobra Jet did not become available until 1970, with the 429 Super Cobra Jet becoming available in 1971. The production life of the Cobra Jet was very short with it being phased out in 1971.

429 Cobra Jet Performance Specs

Horespower 370* @ 5400 RPM
Torque 450 lb-ft @ 3400 RPM
Displacement 429 Cubic Inches (7.0L)
Compression Ratio 11.3:1
Bore 4.36 Inches
Stroke 3.59 Inches
Head Material Cast Iron
Block Material Cast Iron
Valvetrain Overhead Valve System (OHV)

Although the officially published power numbers for the 429 Cobra Jet were only slightly greater for the regular 429, the hardware differences and reviews would lead one to believe that the delta was much greater.

During this time, it was quite common or the manufacturers to sandbag on power numbers to allow for lower insurance rates. The power of this engine made it very popular for performance enthusiasts.

The 429 Cobra Jet was advertised as having 370 horsepower at 5400 RPM and 450 lbs-ft of torque at 3400 RPM.

These ratings when compared to the standard 429 provided an extra 10 horsepower; however the peak torque was 30 lbs-ft less than with the standard version. This is quite hard to believe given the higher flow carburetor (100 cfm more), considerably larger valve setup, and increase in compression ratio of 11.3:1 compared to 10.5:1 for the base version.

Many would estimate that this engine in stock version would likely be much closer to 400 hp. The Cobra Super Jet included an additional set of upgrades to the Cobra Jet but was only advertised as providing an additional 5 horsepower.

These engines all came in 429 cubic inch displacement, as you can gather from the engine name. This works out to 7.0 liters. This engine had a bore of 4.36 inches to go with a stroke of 3.59 inches.

Head and Block Construction

The head and block of this engine were constructed of cast iron. The Cobra Jet version offered cast iron intake manifold and stamped steel rocker arms.

The cobra jet engine used cast pistons while the super cobra jet used a forged manufactured piston.

The valvetrain used the common pushrod overhead valve system with 2 valves per cylinder, one intake and one exhaust. The cobra jet valvetrain used guide plates and hardened pushrods, with the super cobra jet using solid lifters. This is in contrast to the base version which utilized bottle neck rocker studs and self-aligning rockers.

The 429 Cobra Jet engine was without a doubt an engine that was much stronger than the numbers indicated. The combination of the 429 Cobra Jet engine in the Ford Torino is still a classic combination.

This engine was only available in normal production for a few years but is without a doubt still being used across the United States. The upgrades included in the 429 Cobra Jet made it a popular upgrade for those with the extra money to spend.

Those figures aren't far off from the 5.7 in my Tundra.

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On 7/21/2022 at 5:38 PM, Fishfiles said:

429 Cobra Jet Engine Specs

Article may contain affiliate links. As an Amazon Associate I earn from qualifying purchases.

 
image.png429 CJ via Bill Cook

429 CJ via Bill Cook

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.

This engine was primarily known for its use in the Ford Torino and was a part of the Ford 385 engine family.

The 385 name came from the 3.85 inch crankshaft stroke that was available in this engine family. There was also the Super Cobra Jet which offered and additional bump in performance. The Super Cobra Jet was only available with a final drive of 3.90 or 4.30, while the regular Cobra Jet was available coupled with a 3.25:1 final drive ratio.

 

Seems to me he did say it was the 4.30 rear axle ratio.

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24 minutes ago, jeepwm69 said:

 

 

oooooooooh.  So much want.

Story is.  They belong to Two brothers in the uk.  the one is on the rack as the gear box is out for repair. 

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Oh I'd love to have one those, my uncle eb had one some how brought it back with hjm when got out of the war that thing was unstoppable!!

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