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olds 307 to olds 350

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Old Jun 15, 2011 | 12:20 PM
  #1  
barrentinec's Avatar
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From: TN
Car: 89 Firebird
Engine: 2.8 v6
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olds 307 to olds 350

The engine in my 79 trans am locked up a while back it was supposed to an olds 350 in it but when i ran the numbers from the block it is an olds 307. Was wondering if it was possible to turn the olds 307 into an olds 350 i know they share the same stroke and most parts from the 350 will fit the 307.
Old Jun 15, 2011 | 12:25 PM
  #2  
Apeiron's Avatar
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
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Axle/Gears: 3.54 Dana 44
Re: olds 307 to olds 350

No, among other things there's over 1/4" difference in bore between the two.

I don't think there's going to be much here of interest to thirdgens, so I'm going to close it.
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