Size of 429 vs 400?

have a 72 ranchero w/400,bought a 429,knowing 400 is also a big block,how much is the 429 bigger.want find headers and want to save the a/c.will a 850 cfm holly clear steel GT hood scoop w/air distance intake

Can someone next to predetermined experience, replace...



Answers:    I had a 73 Ranchero next to a 460, it fit like a glove near room to spare! Lucky for you the 400 shares the same bell housing cut-out as the 429/460. You should have plenty hood clearence for what you are doing.

2004 Chrysler Sebring LX SEDAN?


Tight fit but it will work. They used to put 429's in torinos contained by late 60's and rash 70's, and in gt stangs.

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