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i was wanting to know about the interchange-ability of the 429 and 460 I have a ford f700 with a 429 and would like to use it in my late 80's class a motorhome is the intake manifold interchangeable? is there any thing else i would need to change or not be able to use? Thanks for the help.
On my old 429 everything(peripheral) was interchangeable with the 460. Same block different stroke. Just cranks, and strokes that are different. Now this was for the same year block. Not sure about different year blocks. One way to check is go to a place like summit and look up an intake and see if it is the same for the two different years and engine sizes you are looking at. That should be the fastest way I would think, or wait for Paul Kane to hop on and answer, he's the big 460 Ford guru around here.
If I recall correctly the only things that are different are the flywheel and the balancer on the outside of the engine.
the intakes are interchangeable
Far as i know you need the crank,rods and pistons as they are a different hieght,intake is the same.
rods are the same, crank and pistons diff.
1980-up 460's are Detroit balanced, there's a weight on the ring gear. The 429 doesn't have a weight. You need a 429 flywheel, or ring gear with an automatic.
I assume the F700 was a standard trans, and the motorhome is an automatic? If so, you might be able to remove the weight from the 460 'wheel, but a new one is cheap, and you probably need a new ring gear anyway.