Pontiac GTO 2004-2006 The Modern Goat

Differance in years?

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Old May 18, 2006 | 11:25 PM
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Default Differance in years?

Might be looking at GTO's here soon and I was wondering what the pros/cons were between the years. Didnt they go from the LS2 to LS6 at some point?

Thanks, Luke
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Old May 19, 2006 | 12:00 AM
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04' - LS1, smaller breaks, no hood scoops, one side exit exhaust, old style font on gauges

05' - LS2, larger breaks, hood scoops, split exhaust, new style font on gauges

06' - all of 05' + lock/unlock button, black tails, faster seat motor...

each year has a few specific colors for that year only, and i'm sure im missing some stuff, but the GTO never came with an LS6. the LS1 in the 04' was an LS1 by heads and cam only... so maybe thats where you thought the LS6 came into play...
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Old May 19, 2006 | 06:15 PM
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Is the Ls2 upgrade a really big step up or not that big of a deal. Im planning on keeping it stock for awhile (car payment > me) so I couldnt make the power up in mods.

And boy, those 05 back ends are 450% better than the 04's
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Old May 19, 2006 | 09:50 PM
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Originally Posted by gotzaGTO
06' - all of 05' + lock/unlock button, black tails, faster seat motor...
If I recall correctly, the '06's also have the following:

      -K
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      Old May 19, 2006 | 10:01 PM
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      Originally Posted by LukePhillips
      Is the Ls2 upgrade a really big step up or not that big of a deal. Im planning on keeping it stock for awhile (car payment > me) so I couldnt make the power up in mods.
      If you are tight on money, I believe that you would be quite happy with an '04 LS1 GTO. However, the '05/'06 LS2 GTO is packing 50 extra ponies.

      -K
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      Old May 19, 2006 | 11:19 PM
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      if you plan on staying relatively stock then the LS2 will do you better.
      If your planning on modding it anyways with heads,cam,etc then
      save your money and get the LS1.
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      Old May 20, 2006 | 10:38 AM
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      Originally Posted by HTRDLNCN
      if you plan on staying relatively stock then the LS2 will do you better.
      If your planning on modding it anyways with heads,cam,etc then
      save your money and get the LS1.
      why do you say that?

      A H/C LS2 will produce a LOT more power than a H/C LS1
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      Old May 20, 2006 | 04:09 PM
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      Originally Posted by isorms
      why do you say that?

      A H/C LS2 will produce a LOT more power than a H/C LS1
      Right, but you'll have to pay the difference to get the 05 LS2.

      If I'm reading HTRDLNCN right, he's saying take the $5k+ you save in buying an 04 vs 05-06 and put it towards your mods. You'll save $2-3k and be faster than a stock 05-06, since you only have to gain 50hp to do so.
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      Old May 20, 2006 | 10:01 PM
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      Originally Posted by isorms
      why do you say that?

      A H/C LS2 will produce a LOT more power than a H/C LS1
      That's not exactly true. The 04 LS1 GTO already has a LS6 intake which in my opinion is better than the LS2 intake. A Corvette LS6 is a LS1 with different intake, cam, and heads that is around 400 HP (same as the LS2). The LS2 uses the same heads as a LS6, but with heavier valves. So, if you upgrade the same heads and cam on a LS1 and a LS2, the only real difference is 5.7L vs. 6.0L. That probably translates into more torque than HP. So, the difference is what? Maybe 10 to 20 HP? that's not a LOT more power in my book.
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      Old May 22, 2006 | 11:30 PM
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      Originally Posted by batboy
      That's not exactly true. The 04 LS1 GTO already has a LS6 intake which in my opinion is better than the LS2 intake. A Corvette LS6 is a LS1 with different intake, cam, and heads that is around 400 HP (same as the LS2). The LS2 uses the same heads as a LS6, but with heavier valves. So, if you upgrade the same heads and cam on a LS1 and a LS2, the only real difference is 5.7L vs. 6.0L. That probably translates into more torque than HP. So, the difference is what? Maybe 10 to 20 HP? that's not a LOT more power in my book.
      Yah, i can see your point of view.

      I am not cutting on the 2004 at all... It is an awesome car!

      Here is the solution. Save money and buy an 04'... then put a 408 in it
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      Old May 23, 2006 | 12:40 AM
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      as was already stated once you do heads cam the only
      real difference is .3liters of displacement or 17cubic inches (347vs364)
      and that is not a LOT at all.
      Not worth the 5-10k difference in price.
      One thing that was also left out is the 05 and 06 have the infamous fly by "maybe" wire throttle.
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      Old May 23, 2006 | 01:37 PM
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      the *biggest* difference as to why the LS2 makes "omng 50 extra hp!" (which is at the crank BTW, not the wheels) is because of the CID difference. All things being equal, the LS2 is better than the LS1....but for what price? The money I saved on my 04 from an 05 was enough to drop a magnuson in it...

      the 05's and 06's do have some improvements that make it a better car...the deciding factor is the price difference.
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      Old May 23, 2006 | 03:40 PM
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      Originally Posted by LukePhillips
      Might be looking at GTO's here soon and I was wondering what the pros/cons were between the years. Didnt they go from the LS2 to LS6 at some point?

      Thanks, Luke
      06's are newer than 04s
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