Easy lifehacks

How do I identify a Ford 428 block?

How do I identify a Ford 428 block?

How to Identify a Ford 428 Engine

  1. Examine the cylinder head of the engine.
  2. Look at the cylinder’s bolt pattern.
  3. Measure the intake valve diameter.
  4. Look for extra main-bearing webbing.
  5. Examine the crankshaft.
  6. Look for the reinforcement plate for the horn bolts behind the radiator core support.
  7. Examine the camshaft.

Is the 428 Cobra Jet A big block?

Between ’67 and ’71, we saw Shelby’s dual-quad 428, the 428/429 Cobra Jets and Super Cobra Jets, and the Boss 429….

Mustang Big-Block Production*
’67 390 29,457
’68 390 10,650
‘6811/42 428 Cobra Jet 1,299
‘6811/42 Shelby GT500KR 1,571

How much is a Ford 428 worth?

A complete carb to pan 428 cobra jet will bring $2500-$3500 depending on condition.

How to tell if a Mustang 428 is a reinforced block?

When you consider that Ford often mixed and matched casting molds among multiple FE (Ford-Edsel) engines it becomes extremely difficult, if not downright impossible, to identify a reinforced 428 block on sight without considering several clues.

Is the 428 block the same as the Cobra Jet block?

By the time these engines were produced, Ford was using the same reinforced block for all 428 applications. It’s more appropriate to call the block a reinforced 428 block than a “428 Cobra Jet” block. Reinforced 428 block identification has proven to be a vexing problem for Ford enthusiasts.

Where do you find the number 428 on Pontiac engine blocks?

As you look there you may find a pretty simple clue that will end your engine identifying search. On 1968–69 428 blocks you will find “428” stamped between the freeze plugs. On blocks produced in 1970 and after, you will find 350, 400, or 455 stamped towards the left side of the front of the block.

What does a Pontiac engine block look like?

Whether the engine is sitting in a car, on a stand, or on the floor, at first glance you will note that all Pontiac blocks have a hydraulic lifter valley pan. That simply means that the intake is not sealed to the lifter valley, allowing you to remove the intake while the engine remains sealed.

By the time these engines were produced, Ford was using the same reinforced block for all 428 applications. It’s more appropriate to call the block a reinforced 428 block than a “428 Cobra Jet” block. Reinforced 428 block identification has proven to be a vexing problem for Ford enthusiasts.

When you consider that Ford often mixed and matched casting molds among multiple FE (Ford-Edsel) engines it becomes extremely difficult, if not downright impossible, to identify a reinforced 428 block on sight without considering several clues.

As you look there you may find a pretty simple clue that will end your engine identifying search. On 1968–69 428 blocks you will find “428” stamped between the freeze plugs. On blocks produced in 1970 and after, you will find 350, 400, or 455 stamped towards the left side of the front of the block.

What are the holes in a Mustang 427 cylinder block?

Since 406 and 427 blocks must be fixed for machining, these two cross-bolt holes are additionally tapped, so the holes provide the double-function of fixing for assembly and cross-bolting to reduce crank saddle stresses.

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Ruth Doyle