LT1-LT4 Modifications 1993-97 Gen II Small Block V8

stock top speed

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Old Aug 13, 2006 | 09:54 PM
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Default stock top speed

does anyone know the stock top speed for an lt1 on lets say z rated tires
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Old Aug 13, 2006 | 10:07 PM
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I would say 150MPH-160MPH. I have personally gone approx 155MPH in an LT1 A4 Z28.
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Old Aug 13, 2006 | 10:08 PM
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thanx
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Old Aug 13, 2006 | 10:14 PM
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Be careful!!
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Old Aug 13, 2006 | 10:15 PM
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oh i was just compairing it to the ls1s to see if it would be worth saving 5k to get the lt1 instead
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Old Aug 13, 2006 | 10:20 PM
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Originally Posted by RYU2
oh i was just compairing it to the ls1s to see if it would be worth saving 5k to get the lt1 instead

the top speeds might be similar, but the LT1 will definately take longer getting there. and it depends how crazy you are. i had my limiter changed to like 259 or something crazy like that. 5700rpm in 5th gear with stock gears. 170+mph

In the 1/4 mile alone, the LS1 is faster than a LT1 by a second

I raced my buddies LT1 T/A M6 from a roll and a dig with the same mods, and the same end result-- me pulling on him hard. we might be even in 1st gear but thats about it.
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Old Aug 13, 2006 | 10:20 PM
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what little i did try was 125mph on a 55mph street, and got the ABS to lock up, but i did`nt go past the line. the funny part was that the brakes/ wheels were smokin when i pulled into get gas right after. totaly bone stock 94 trans am/A-4
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Old Aug 13, 2006 | 10:21 PM
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so do you guys think it is worth 5k more to buy an ls1 or get the lt1
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Old Aug 13, 2006 | 10:25 PM
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if you're tight on cash, and have to ask...LT1. nothing wrong with the engine architecture or the flow. you want good hp and great torque for cheap dough...thats an LT1. remember a lot is the driver too...
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Old Aug 13, 2006 | 10:26 PM
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Originally Posted by RYU2
oh i was just compairing it to the ls1s to see if it would be worth saving 5k to get the lt1 instead
LOL...Oh Boy....Thats a loaded gun of a sentence. I have an LT1..and LOVE it. However..you cant help but love an LS1. I think they both kick ***..and an LT1 can certainly run with an LS1, especially if you save some grip by buying an LT1 you can afford a few mods. No point buying an LS1 if the payment keeps you from modding it. But if you can afford one, and still do a couple things to it. Just buy an LS1. Cant lose with either powerplant in my opinion.
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Old Aug 13, 2006 | 10:28 PM
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ok i'll keep looking then idk what i will choose but either one will get me around in a hurry
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Old Aug 13, 2006 | 10:30 PM
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Im sure a million people will chime in on this now. But one other point, as far as I have researched, once you get to the point of being able to do some flow enhancing on an LT1 (Heads Ported & Cam) They can give LS1s some serious headaches. People will argue that mod for mod the LS1 will win. True to some degree, BUT if you buy an LS1 for thousands more, will you really be able to keep up with that "Mod for Mod" attitude?
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Old Aug 13, 2006 | 10:36 PM
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i almost forgot , yes it came stock with z rated tire, in fact its a `94 Trans Am GT, yes they exist, and I have the orignal window to prove it! That and LT-1 vs LS-1 is a matter of do you want to spent the extra 5K to get the car or to make it faster, depending on the driver an LT-1(no nos) vs an LS-1 on a 75 shot is the same ET
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Old Aug 13, 2006 | 10:38 PM
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Amen my LT-1 brother
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Old Aug 13, 2006 | 10:42 PM
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Another big factor for me was that its alot less common to see a clean unbeaten LT1 Car these days then an LS1 car...Obviously because they are older yes. But why not get one and have one of the last "roughcut" muscle machines. I really like the un-domesticated sound and feeling of a rumbling LT1. Even alot of LS1 guys will agree the sound is better. They just feel angry.
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Old Aug 13, 2006 | 10:57 PM
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I have an LS1 and with bolt ons LS1 is stronger, but I heard once you open the motor up(heads, cam, stroker) it's anyone's game
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Old Aug 13, 2006 | 11:00 PM
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lower 160's clocked by a friend with a radar gun with a 96 A4 with 2.73's
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Old Aug 14, 2006 | 12:14 AM
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Originally Posted by 1QuickBlkZ28
I have an LS1 and with bolt ons LS1 is stronger, but I heard once you open the motor up(heads, cam, stroker) it's anyone's game
Yea, pretty much what I have figured out as well. The LS1 is by far superior out of the box....but like you say...once you break them open a bit, it starts to level out. Either one is a great perfomer...the LS1 is just the newest and baddest of the two in factory form.
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Old Aug 14, 2006 | 01:27 AM
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ohh yeah well back when I had my 2.56s in my rearend, I had a "theorectical" redlined top speed of over 225+ MPH> MUHAHAHHAHAHAHA!!
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Old Aug 14, 2006 | 02:52 AM
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What do lt1's go for genarally? maybe you could go 454 in a badass 64 impala for $4000 that I was that fucken close to until my dad forgot the phone number at home a long story short didnt get dammit. I still hate myself for not getting that car.
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