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

pros and cons

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Old 12-18-2008, 04:44 PM
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what are the pros and cons of the lt1 and ls1? i have a v6 and im going to swap a v8 in. i cant decide if i want a lt1 or ls1. i have two donor cars to pick from. one is a 96 ws6 ta with 61k for 1300 but the guy will take 800 or a 98 ta with 100k for 2000. i dont want this thread to turn into lt1 one is better or ls1 one is better i would just like to know the pros and cons of each motor thanks
Old 12-18-2008, 05:03 PM
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They are both fantastic engines.

The ls1 will be more responsive to mods and have more to chose from. The have inherent issues with the number 7 cylinder rapping from time to time. They feature higher flowing heads, new composite intakes, and a lighter aluminum engine platform to work with. They have higher horsepower ratings, but are often out performed off the line by lt1s. Stock for stock they are a faster engine, and will move the car through the quarter quicker. Cost has come down due to newer revised versions of the engine and it's technology.

The lt1 is a venerable engine as well, and most times can't be beat for its cheap cost and strong iron block. Mod prices have drastically dropped due to the availability of the new tech ls1's. The most noted down side to this motor is it's utilization of optispark ignition. Mainly due to its damage suseptibility to water, and it's poor positioned location, I personally have never had an issue however.

Admitedly and in my opinion, swapping for an ls1 will be more costly due to the need for a new computer for an ls1, and several other wiring transfer issues that may rear as you proceed through the swap.

I promise you there will be a number of varying opinions on this topic. Good luck.
Old 12-18-2008, 05:05 PM
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Depends the question is how much do you want to spend?
Old 12-18-2008, 05:08 PM
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Originally Posted by 92camaroguy
Depends the question is how much do you want to spend?
well if i get a whole car i shouldnt have to pay anything but the price of the car right?
Old 12-18-2008, 05:24 PM
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I'd say go with the LT1 in your case.. my reason is money.. $1,200 saved and 39k less miles.. sounds like a deal to me..

Although the LS1 typically has a little bit more power from factory, i'm pretty sure that $1,200 you saved will compensate.. and the lower miles will help also in the long-term
Old 12-18-2008, 05:32 PM
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Originally Posted by marc97taws6
I'd say go with the LT1 in your case.. my reason is money.. $1,200 saved and 39k less miles.. sounds like a deal to me..

Although the LS1 typically has a little bit more power from factory, i'm pretty sure that $1,200 you saved will compensate.. and the lower miles will help also in the long-term
very true. what would be some good mods to do to the lt1 while its out of the car
Old 12-18-2008, 06:11 PM
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Originally Posted by 95firebird5.7
very true. what would be some good mods to do to the lt1 while its out of the car
Definately a nice cam if you dont want to spend a whole lot. install is going to be a ton easier with the motor out of the car
Old 12-18-2008, 09:29 PM
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cam, headers, cat back, cold air intake= FUN
Old 12-18-2008, 09:54 PM
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Originally Posted by phirepower
cam, headers, cat back, cold air intake= FUN
any cams you recommend?
Old 12-18-2008, 10:19 PM
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there seems to be a much larger selection for LS1 parts out there. I believe the LT1 also suffered from an inefficient intake manifold but I could be wrong I think I heard this a while back.
Alot of people Ive talked to who had both ls1 and lt1 liked driving their lt1 better, they just felt faster, but then reality hits when a stock LS1 beats a full bolt on LT1 by a large margin. Honestly it depends on what your trying to do, all out performance or just a fun little ride. all out-LS1 dd cruiser id go with the LT1.
Thankfully Ive never had to make this decision I like them both!
Old 12-18-2008, 10:32 PM
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lsx with 100k+ = fail.. my buddy has like 180k miles on his ls1 and its slow as a dog.. no compression at all lol
Old 12-18-2008, 10:38 PM
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Originally Posted by 1badzee
lsx with 100k+ = fail.. my buddy has like 180k miles on his ls1 and its slow as a dog.. no compression at all lol
The LS1 has thinner rings for emissions reasons, so it seams to be true on some occasions, depending on how it was driven/treated.
Old 12-18-2008, 10:40 PM
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Not trying to start anything but but I dont think a stock LS1 can destroy a full bolt on LT1 by a large margin as noted above. I love both engines and either engine would be good.
Old 12-18-2008, 10:42 PM
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You can't say that because I've seen bolt on LT1s rape bolt on LS1s lol.. so many variables
Old 12-18-2008, 11:33 PM
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Driver mod makes alot of difference yes.
Old 12-18-2008, 11:43 PM
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lsx would be a better choice in the long run...

but considering how cheap you can get that low of a mile ltx i would go with it and just do an le2 package and stay close to the price you would have paid for the ls1.
Old 12-18-2008, 11:59 PM
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Originally Posted by IronOutlaw
lsx would be a better choice in the long run...

but considering how cheap you can get that low of a mile ltx i would go with it and just do an le2 package and stay close to the price you would have paid for the ls1.
what is a le2 package?
Old 12-19-2008, 12:16 AM
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http://www.elliottsportworks.com/policy.html
Old 12-19-2008, 12:30 AM
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Originally Posted by IronOutlaw
what do u think about the le1 package there only 10hp diff but there is a huge price diff
Old 12-19-2008, 08:37 AM
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Originally Posted by 1badzee
you can't say that because i've seen bolt on lt1s rape bolt on ls1s lol.. So many variables
+10000


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