LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

'93 and '94-'97 intake ? (difference)

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Old Mar 9, 2005 | 04:42 AM
  #1  
ReD0917's Avatar
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'93 and '94-'97 intake ? (difference)

Is there any difference of the intake manifold;'93 versus'94-'97. I know the fuel rails is one. What else.. thanks
Old Mar 9, 2005 | 05:15 AM
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Re: '93 and '94-'97 intake ? (difference)

Originally Posted by ReD0917
Is there any difference of the intake manifold;'93 versus'94-'97. I know the fuel rails is one. What else.. thanks
Thats about it.....
Old Mar 9, 2005 | 07:10 AM
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Re: '93 and '94-'97 intake ? (difference)

Nope. Other than the 94-97 intake having the recess for the ruel rail crossover in the front, they're the same. Save for the 95-97 manifolds which also have an additional Opti Vacuum port on them from what I've seen.
Old Mar 9, 2005 | 07:20 AM
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Re: '93 and '94-'97 intake ? (difference)

If you compare a 93 with a 94 you'll see that the ports on a 93 are damn near port matched from the factory
Old Mar 9, 2005 | 07:32 AM
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Re: '93 and '94-'97 intake ? (difference)

93 and 94 have the vacuum supply for the PCV on the LH side of the intake (using a u-shaped hose). 95-97 have that supply on the front, under the throttle body.
Old Mar 9, 2005 | 08:52 PM
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Re: '93 and '94-'97 intake ? (difference)

Originally Posted by ROOSTER93V8
If you compare a 93 with a 94 you'll see that the ports on a 93 are damn near port matched from the factory
Does that mean that the 93 has a little advantage?
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