head swap from 305 to 350

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head swap from 305 to 350

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Chevrolet Forums >> General Chevrolet Forums >> General Tech >> head swap from 305 to 350

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head swap from 305 to 350 - 6/27/2008 6:41:34 PM

sally

Posts: 1
Joined: 6/27/2008
Status: offline

Forgive me if I am posting in wrong area, newbie. I have a ''91 305 that I am rebuilding and I want to put on 350 heads, will it work? Or do I need to do any other changes to the engine to make that work?

Post #: 1

RE: head swap from 305 to 350 - 6/27/2008 6:54:45 PM

old dog

Posts: 316
Joined: 12/25/2007
Status: online

you should not have any problem''s .

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william j allison

(in reply to sally)

Post #: 2

RE: head swap from 305 to 350 - 7/29/2008 1:39:58 AM

SnR MotorWorks

Posts: 4
Joined: 7/29/2008
Status: offline

most of the time the 350 has a bigger chamber then the 305 so it will lower the comp of the motor, other then that, works perfect.

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HEAD UP!!!
72 nova tubed with BBC
70 chevelle with SBC
70 el camino BBC & 4 speed. "daily driver"

(in reply to old dog)

Post #: 3

RE: head swap from 305 to 350 - 7/29/2008 5:38:26 AM

old dog

Posts: 316
Joined: 12/25/2007
Status: online

depend''s on how old you go ,you have to have a source that can tell you buy what casting number what the cc size of the respective head''s are .or if you have the head''s already you can mesure them your self .

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william j allison

(in reply to SnR MotorWorks)

Post #: 4

RE: head swap from 305 to 350 - 7/29/2008 5:56:46 AM

1Gary