Flywheel fitment?
New User
Joined: Nov 2015
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Most Ford engines are externally balance meaning a match between harmonic balancer,crank and flywheel.I would check first is the balancer the same between the 84/88(most likely) and then check for the flywheel just look up the parts online.I ran a 429 back in the 80's and cannot remember if she was internal or external?I looked it external balance 
pedant
Joined: Jan 2008
Posts: 23,576
Likes: 38
From: EXTREME southwest CT
Yes it will fit and the balance is right.
Are you swapping a ZF5?
Just be sure the flywheel is drilled correctly for your pressure plate.
All 429's that would fit a pickup were internal balance from the '70's.
Not sure when 370 and 429 medium. truck/stationary engines changed, but the big snout won't fit behind the radiator of a pickup
Are you swapping a ZF5?
Just be sure the flywheel is drilled correctly for your pressure plate.
All 429's that would fit a pickup were internal balance from the '70's.
Not sure when 370 and 429 medium. truck/stationary engines changed, but the big snout won't fit behind the radiator of a pickup
pedant
Joined: Jan 2008
Posts: 23,576
Likes: 38
From: EXTREME southwest CT
... a running change *during* the 1979 model year build.
Numberdummy will corroberate.
So '79 could be internal or external.
The telling factor is a D9TE block and the hatchet weight behind the harmonic damper.
Numberdummy will corroberate.
So '79 could be internal or external.
The telling factor is a D9TE block and the hatchet weight behind the harmonic damper.
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