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50th Anniversary Question

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Old Nov 5, 2011 | 07:46 AM
  #1  
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Default 50th Anniversary Question

Which engine is in the 2003 50th Anniversary Car LS1, LS2 and what is the HP rating?
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Old Nov 5, 2011 | 07:56 AM
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LS1 in all C5 Coupes and LS6 in C5 Z06

LS1- 350HP
LS6- 405HP
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Old Nov 5, 2011 | 07:58 AM
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all c5 = LS1 unless u got a z06 then an ls6, ls2 is in the 2005-2007, then from 2008 and up its the ls3
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Old Nov 24, 2011 | 09:23 PM
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The 50th AEs were LS1s. However, the late production cars were built with LS6 blocks, LS6 exhaust manifolds, and LS6 intake manifolds. They were still rated at 350 HP.

You can go over to the 50th AE website and verify or take my word for it. I know, I have one that I've owned from day 1.

B/R,
RP

Last edited by powellrb; Nov 24, 2011 at 09:25 PM. Reason: Added info
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Old Nov 24, 2011 | 10:59 PM
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Originally Posted by powellrb
The 50th AEs were LS1s. However, the late production cars were built with LS6 blocks, LS6 exhaust manifolds, and LS6 intake manifolds. They were still rated at 350 HP.

You can go over to the 50th AE website and verify or take my word for it. I know, I have one that I've owned from day 1.

B/R,
RP
interesting......
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Old Nov 24, 2011 | 10:59 PM
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Originally Posted by powellrb
The 50th AEs were LS1s. However, the late production cars were built with LS6 blocks, LS6 exhaust manifolds, and LS6 intake manifolds. They were still rated at 350 HP.

You can go over to the 50th AE website and verify or take my word for it. I know, I have one that I've owned from day 1.

B/R,
RP

I just bought one, where might that website be? I would like to learn more of my specific vehicle.
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Old Nov 24, 2011 | 11:37 PM
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Originally Posted by Papas02C5
LS1 in all C5 Coupes and LS6 in C5 Z06

LS1- 350HP
LS6- 405HP..........Except for 2001
.....close
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Old Nov 25, 2011 | 02:53 AM
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Originally Posted by lucky131969
Originally Posted by Papas02C5
LS1 in all C5 Coupes and LS6 in C5 Z06

LS1- 350HP EXCEPT 1997,1998 (345 HP)
LS6- 405HP EXCEPT 2001, (385 HP)
.....close
Closer still....
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Old Nov 25, 2011 | 07:49 PM
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Originally Posted by powellrb
The 50th AEs were LS1s. However, the late production cars were built with LS6 blocks, LS6 exhaust manifolds, and LS6 intake manifolds. They were still rated at 350 HP.

You can go over to the 50th AE website and verify or take my word for it. I know, I have one that I've owned from day 1.

B/R,
RP


If it is a true AE vehicle, you have an LS1 engine
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Old Nov 26, 2011 | 10:46 AM
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I thought that the LS1s were 345 HP up to/including 2000 model year and then got the bump to 350 beginning in 2001 model year?
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Old Nov 26, 2011 | 12:15 PM
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Originally Posted by acrace
I thought that the LS1s were 345 HP up to/including 2000 model year and then got the bump to 350 beginning in 2001 model year?
You thought right.
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Old Nov 26, 2011 | 10:50 PM
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Originally Posted by acrace
I thought that the LS1s were 345 HP up to/including 2000 model year and then got the bump to 350 beginning in 2001 model year?

And all 2001 & up LS1's are basically LS6's minus heads and cam.
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Old Nov 27, 2011 | 08:11 AM
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Originally Posted by C5FORFUN2

And all 2001 & up LS1's are basically LS6's minus heads and cam.
Believe it was LATE year production when it went to the same block. I have the LS6 block and intake as it arrived from GM in my late June production 2001 Coupe.
Heads, cam, exhaust are the differences on the late year 2001.
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Old Nov 28, 2011 | 05:39 PM
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Originally Posted by M56x-11
I just bought one, where might that website be? I would like to learn more of my specific vehicle.
Lucky - website is 50thregistry.com
B/R,
RP
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