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is the exhaust manifold gasket on 403 the same as 350 gasket?

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Old Feb 14, 2013 | 01:47 AM
  #1  
aussiemobile's Avatar
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is the exhaust manifold gasket on 403 the same as 350 gasket?

does anyone know if 350 are the same as 403? cheers
Old Feb 14, 2013 | 08:19 AM
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Originally Posted by aussiemobile
does anyone know if 350 are the same as 403? cheers
Well, neither of those used a gasket from the factory, but EVERY SINGLE second gen Olds V8 from 1964-1985 uses the same exhaust gasket, if you choose to use one. Only the roller-cam 307s with the peanut-port 7A heads use a different gasket.
Old Feb 14, 2013 | 06:20 PM
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thanks joe , pontiac olds engine parts are easier to get over in australia cheers
Old Feb 15, 2013 | 07:31 AM
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Originally Posted by aussiemobile
thanks joe , pontiac olds engine parts are easier to get over in australia cheers
Um...

Just so we're clear, Oldsmobile and Pontiac motors are completely different. An Olds 350 (and 403) uses exhaust gaskets that look like this:



Pontiac 350s use gaskets that look like this:

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