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Chevy 400 small block ,and 350 small block are the same block and they are interchangeable.
Essentially this person is right however, the stroke on the 400 is different, with a 4.00 stroke. Also, there are some subtle differences, such as either the presence of a third freeze plug on the side of the engine block, or not having one at all. The bell housing is the same and you can make a larger engine out of a 400 block. Due to the fact the bore and stroke is the same dimension. also you will need the flywheel or flexplate off the 400 because they are externally balanced.
What else can I help you with?
Will the tail shaft interchange from a turbo 350 to a 400 turbo?
No it will NOT interchange. The 350 and 400 turbo are actually VERY different transmissions.
Will a 1978 Chevy 350 Carborator intake interchange with a 1994 Chevy 350 carborator intake?
no
Do all 350 Chevy engine parts interchange?
no
Will Chevy 350 cam fit a 305?
The cams interchange.
Are the motor mounts for a Buick 305 the same as a Chevy 350?
If the Buick 305 is really a Chevy 305, then the motor mounts will interchange with a Chevy 350.
Will a olds305 tranny fit a Chevy 350 motor?
If it's for a 305 it's a Chevy and will interchange with a 350. If it's an Olds, it won't.
Is there a left and right head on 350 Chevy?
Same head, they interchange.
Will a 350 flywheel fit a 305 2 bolt main?
Yes, the only small block Chevy flywheel that doesn't interchange is the small block 400 ci.
Will a crankshaft from a Chevy 350 work in a ford 351 windsor?
Ford and Chevy engine parts will not interchange.
Are the Chevy 400 flywheel and 350 flywheel the same?
No. The 400 is externally balanced, the 350 is internally balanced.
Will the oil pan from a 305 Chevy engine fit a 350 Chevy engine?
ya...its a sbc...they all interchange
Can you put a different Chevy motor in a 1992 Chevy truck that had a 350 in it?
Many Chevy motors will interchange, need to know what you have in mind.
