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

Will a LS1 inake fit on a LT1

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Old Jan 7, 2004 | 03:04 PM
  #16  
llafro's Avatar
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I've never personally looked close at a LS1/6 intake off the motor but could it fit maybe after lots of milling and cutting? Just a thought.
Not a chance it will fit ever. The ports are in completely the wrong place. The LTx series (like the traditional small block) has the ports in the head set up with the intakes together in groups of two. The LSx spreads them out one by one.

The LT1 and older small blocks have the intake ports grouped together to make it easier to use a single, centrally located carburator or injection system. Of course on the LT1 this makes no sense at all...

BRAD
Old Jan 7, 2004 | 04:24 PM
  #17  
Chris 96 WS6's Avatar
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Originally posted by llafro
Not a chance it will fit ever. The ports are in completely the wrong place. The LTx series (like the traditional small block) has the ports in the head set up with the intakes together in groups of two. The LSx spreads them out one by one.

The LT1 and older small blocks have the intake ports grouped together to make it easier to use a single, centrally located carburator or injection system. Of course on the LT1 this makes no sense at all...

BRAD
That is in addition to the fact that the ports are shaped totally different and the LS1 intake is made out of thermoplastic so how do you suggest milling it?
Old Jan 7, 2004 | 05:18 PM
  #18  
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What if you made something like spacers or ? On the head end there would be the LT1 port, then on intake end there would be a LS1 port. Would it be worth the trouble? Not like I'm acutally planning on doing this but I wonder if you would see any gains HP wise if you actually got it to fit.
Old Jan 7, 2004 | 05:43 PM
  #19  
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Dude, if you could see the two engines side by side you'd understand that it wouldn't work, spacers or not. Besides, the LT1 intake manifold is more than sufficient for just about any HP level you want.

The two are literally totally different. They are both V8, both are single cam, 2 valve with pushrod valvetrain.....after that there is no more commonality.
Old Jan 7, 2004 | 06:48 PM
  #20  
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Originally posted by Finchinater
Not even with new heads? That seems retarded to me. It would be way too convenient don't you think for them to be able to swap. I guess that's how they get our $.
They're completely different motors.
Old Jan 7, 2004 | 07:13 PM
  #21  
anaik's Avatar
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Originally posted by hsyr
What if you made something like spacers or ? On the head end there would be the LT1 port, then on intake end there would be a LS1 port. Would it be worth the trouble? Not like I'm acutally planning on doing this but I wonder if you would see any gains HP wise if you actually got it to fit.
The first link is what the intake side of an LT1 head looks like. The second is LS1.

http://www.flatlanderracing.com/dart220sb.html

http://www.lingenfelter.com/lingenfe...d=7&pf%5Fid=16
Old Jan 7, 2004 | 07:23 PM
  #22  
neil350's Avatar
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I like the composite intake manifold, keeps the heat down
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