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What year trucks have LS1's?

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Old Nov 12, 2003 | 02:56 AM
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Default What year trucks have LS1's?

I am planning on buying a truck as soon as I get back to the states. I want a 2wd Silverado shortbed reg cab. I know they come with 5.3's and 6.0's. Do they also come with 5.7's? What model years do they come in? 99 and up? Is the GMC Serria the same as Silverado? Sorry for the newbie truck questions
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Old Nov 12, 2003 | 02:59 AM
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none the 99 and up nbs come with ls1 based motors like the ones you mentioned 4.8/5.3/6.0.
although a ls1 is a direct swap with maybe a little computer work.

Edit: and yes serria same as silverado as far as motors
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Old Nov 12, 2003 | 03:06 AM
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the first half of the 99 year was the old square body style. those had 5.7L vortec motors in them

i would look for a 2000 and newer. more stock power
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Old Nov 12, 2003 | 06:32 AM
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Originally Posted by Jeff_03Z71
the first half of the 99 year was the old square body style. those had 5.7L vortec motors in them

i would look for a 2000 and newer. more stock power
Not entirely true. I ordered a 99 in February of 99. That order for some odd reason did not happen and I bought this 99 in early May. Funny thing is is that this truck I have now is about 99% indentical to what I had originally placed an order for. I agree though, try and find on from at least 2000-2001 because the 99's have a weaker cam than the years following.
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Old Nov 12, 2003 | 07:07 AM
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Originally Posted by 11 Bravo
I am planning on buying a truck as soon as I get back to the states. I want a 2wd Silverado shortbed reg cab. I know they come with 5.3's and 6.0's. Do they also come with 5.7's? What model years do they come in? 99 and up? Is the GMC Serria the same as Silverado? Sorry for the newbie truck questions
What everyone else said. The 1500 RCSB comes with the 4.3v6, 4.8v8, and 5.3v8. You can only get the 6.0 in the 3/4 ton. But you can bolt one in if you want
Keep your head down over there and let us know what you get when you come back
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Old Nov 12, 2003 | 08:05 AM
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i had a 99 gmc classic 1500 with the vortec, just look for the newer body style.
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Old Nov 12, 2003 | 08:45 AM
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Thanks, yall. I just want one with an LS1 based engine so I can easily put in a 5.7. I already have h/c that I was going to put in my TA, and also the Vig 3200 that will be coming out of the trans. I just want a nice daily driver truck that I can spank Lightnings with. BTW, what rearends do the trucks come with? Trans?
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Old Nov 12, 2003 | 10:52 AM
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For the tranny they come with the 4l60e, the same tranny most all rear wheel drive GM vehicles come with. We have 10 bolt 8.2 inch rear end I think. Mot common gear is 3.42 if your lucky you will get a 3.73 though. Most of the guys that swap them out go to a 4.10.
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Old Nov 12, 2003 | 11:17 AM
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Sierras and Silverados differ only in cosmetics. I'm kinda partial to the Sierra, though.

The rear is the 8.6 GM 10 bolt. Look for the RPO codes in the glove box--G80 is the factory posi (I'm not sure how to tell which gears are there, but Fast4.8 has a link in his sig to his page of RPO codes that you can reference.)

Also--all of this applies only to the 1500, non-HD 1/2-ton trucks.

LG3 - 4.3 V6
LR4 - 4.8 V8
LM7 - 5.3 V8
L59 - 5.3 V8 (flex fuel)

The 4.3 and 4.8 trucks are available with a New Venture NV-3500 5 speed, which is a VERY weak tranny. It would be easier to put a 6speed into later, though.

The auto tranny is the 4L60E.

What about Amy's 12 second N/A truck...isn't it for sale for less than $15K (I think?)

Happy Hunting!
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