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03-05-2003, 08:28 AM
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#1 |
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Registered User
Join Date: Feb 2003
Location: Mont Belvieu, TX
Posts: 852
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Engine question
I have heard before that a 305 and a 350 short block are the same, just with different heads. Does anyone know if this is true.
Can I just take my 305 out and rebuild it using 350 heads, intake, exhaust etc....? Edit: I am copying this thread to engine and drivetrain. Probably should have been there to begin with 
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Chris '92 ext. cab s/b 4.3L "Sparky" '04 crew cab 2500 4x4 6.0L Last edited by CRRoy71; 03-05-2003 at 11:14 AM. |
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03-05-2003, 12:48 PM
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#2 |
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Account Suspended
Join Date: Oct 2002
Location: Elkhart, IN
Posts: 6,399
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no, the 305 and 350 shortblocks are not the same. the bore on the 305 is 3.735, whereas the 350 has a 4.000 bore. the cranks are both 3.48" stroke, but the 305 crank is balanced for a lighter rotating assembly, and will not work good in a 350 application.
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03-05-2003, 01:08 PM
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#3 |
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Registered User
Join Date: Feb 2003
Location: Mont Belvieu, TX
Posts: 852
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Thanks for the reply.
I was hoping to get off easy, oh well, back to looking for a block.
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Chris '92 ext. cab s/b 4.3L "Sparky" '04 crew cab 2500 4x4 6.0L |
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