C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

L98 vs LT1

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Old Apr 15, 2002 | 10:58 PM
  #41  
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Default Re: L98 vs LT1 (Marty McFly)

Well, I think its strange how different cars on the forum have different 1/4 times. I have seen some fairly stock (based in sigs) l98 cars outrun Lt1's and the other way around. I will be racing a 92 Lt1 not long from now, (a friend of mine has one) and I will post results. Based on driving his car, he is not going to win. Its not like I am going to kill him, but it would be close. Alot of it depends on gearing as well. There is a difference of about 35 to 40 pounds torque over the lt1 but you never bring that up?
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Old Apr 15, 2002 | 11:02 PM
  #42  
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Default Re: L98 vs LT1 (soundkillr)

There is a difference of about 35 to 40 pounds torque over the lt1 but you never bring that up?
Maybe no one bought it up because it isn't true! 91 L98 is rated at 340 ft lbs at 3200 rpm... 92 Lt-1 is rated at 330 at 4000 rpm... jump to a 93 LT-1 and that TQ number is the same at 340. Where are you coming up with 30 to 40 ft lbs more?
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Old Apr 15, 2002 | 11:09 PM
  #43  
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Default Re: L98 vs LT1 (Springer's 95)

yup, ok I just looked that up, my bad. Sorry about that...
I will still keep everyone posted when we run...
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Old Apr 15, 2002 | 11:22 PM
  #44  
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Default Re: L98 vs LT1 (01GT)

Like was mentioned before- compare apples to apples. Get a 91 L98 auto 3:07 stock and any LT-1 auto 3:07 stock and run them. Both must be coupes to even out the weight and aero.

I would bet with equal drivers in the 1/4 mile the LT1 would win 6 or 7 out of 10. Thats only because of the following which hasnt been mentioned yet:

1. 50 more HP and about 1000 more rpm
2. Computer controlled shifting
3. Better mufflers
4. Better transmission

The L98 still holds it own even in spite of the newer technology. This is the problem, there a lot of DOG L-98's out there. If they are even a bit off-tune they run poorly.

My car was doing 14.5-14.9 when I bought it. I just tuned it up and ran 14.1. A few bolt ons and now running 13.7 with bald street tires. I am sure this is a 13.1 car with Drag radials and a really good driver.

True, the L98 doesnt rev up like an LT1- but its not real hard to make it get there- a Mini-ram is only $1000.

My 91 will break the tires loose and keep them burning till I get bored, even with brand new Goodyear F1 EMT, and it burns second as well (auto). The trap speed is low (97 mph) but I am working on that!

For street racing, there is nothing better- for highway or 50+ rolling starts, LT1 will be better.

I look at it this way, the cheapest LT1 is around 12K. Then you have to deal with the Opti-spark crap, ASR, CAGS, MAF, Cooling system, Etc.

I bought the 91 which looks like an LT1, but has the best L98 made, is easy to work on, modify, no opti-crap, ASR, simple transmission and cooling, Speed Density and it cost me 9K and is cheaper to own, maintain, and modify.

Also, $600 will get me a 50-75 shot NOS that will allow me to eat LT1's for breakfast!

Just my opinion. I am really happy with it, and wouldnt trade for an LT1, but I am working to save for a 97 LS-1!!!!!
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Old Apr 15, 2002 | 11:54 PM
  #45  
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Default Re: L98 vs LT1 (soundkillr)

Well, I think its strange how different cars on the forum have different 1/4 times. I have seen some fairly stock (based in sigs) l98 cars outrun Lt1's and the other way around. I will be racing a 92 Lt1 not long from now, (a friend of mine has one) and I will post results. Based on driving his car, he is not going to win. Its not like I am going to kill him, but it would be close. Alot of it depends on gearing as well. There is a difference of about 35 to 40 pounds torque over the lt1 but you never bring that up?

Those times are acheived by different people. I've seen Ls1s run 14's. Hell Afy ran his viper at mid 13's. Does that mean a Lt1 is viper territory? Hmmm no.

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Old Apr 15, 2002 | 11:57 PM
  #46  
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Default Re: L98 vs LT1 (soundkillr)

There is a difference of about 35 to 40 pounds torque over the lt1 but you never bring that up?
:confused:
They have about 10lbs of tq advantage. But you know what the L98's Tq Curve is fairly large, while the LT1's is flat.

Before I had driven an LT1 I thought the L98s tq curve was a good thing.
Fact is the L98s tq drops of at around 3200rpm. (i believe)

The Lt1 really shines from a roll.
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Old Apr 16, 2002 | 12:01 AM
  #47  
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Default Re: L98 vs LT1 (Marty McFly)

Ok if you cant drive, I would assume you wouldnt post it in a sig. It doesnt take a much to figure out, some people cant drive. For this whole debate I have been fair, and pointed out, some L98's are faster, and some Lt1's are faster, I have also pointed out gearing makes a difference. Seems to me you are being a little one sided (maybe I am to?) but IF you asked you need to be able listen to both sides, without stating a sarcastic remark. I have extended you the curtiousness of a debate, how bout you do the same?
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Old Apr 16, 2002 | 12:05 AM
  #48  
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Default Re: L98 vs LT1 (GusBustamanteJr)

I look at it this way, the cheapest LT1 is around 12K. Then you have to deal with the Opti-spark crap, ASR, CAGS, MAF, Cooling system, Etc.

I
I got my Lt1 for 11.8k :p: (its low mileage too).
Opti does suck.
ASR is cool, I see it as a perk, I dont have to live with it always.
L98's have CAGS too. But its easy to disconnect.
I dont have a MAF.
The reverse cooling system is cool :)
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Old Apr 16, 2002 | 12:12 AM
  #49  
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Default Re: L98 vs LT1 (soundkillr)

Ok if you cant drive, I would assume you wouldnt post it in a sig. It doesnt take a much to figure out, some people cant drive. For this whole debate I have been fair, and pointed out, some L98's are faster, and some Lt1's are faster, I have also pointed out gearing makes a difference. Seems to me you are being a little one sided (maybe I am to?) but IF you asked you need to be able listen to both sides, without stating a sarcastic remark. I have extended you the curtiousness of a debate, how bout you do the same?
I honestly don't think Gearing makes that big of a difference. Specially on a l98. Get anything higher then a 3.07 on your auto l98 and you will more then likely lose time. I was told this when I was asking what gears to put in my L98.

I think i remember hearing most gain about a tenth or 2.

I wasn't being sarcastic I was just saying. And I was just saying a lot of people can't drive their cars to their limits, yet will still post their times because they are learning and progressing.

I've seen a couple Lt1's here fairly stock running low 13's. I have not seen a stock L98 run low 13's.

I'm not being one sided, im being honest. I have driven both now. And the LT1 is just a lot faster.
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Old Apr 16, 2002 | 12:18 AM
  #50  
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Default Re: L98 vs LT1 (Marty McFly)

I'm not being one sided, im being honest. I have driven both now. And the LT1 is just a lot faster.
________________________
The gearing and transmission do matter, as well as the "tune" of or condition of the car. I think the lt1's stay in "tune" better than the L98, and I have driven several as well (lt1's and l98s). I have driven L98's that were not very impressive, and some that were very impressive. You are not comparing your 92 to your 88 auto are you? I have seen some l98's with bolt ons in low 13's and there is a member on the forum who has his in high 12's, but these are not stock cars. Ill look at the numbers on most stock lt1's and see what I find...
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Old Apr 16, 2002 | 12:24 AM
  #51  
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Default Re: L98 vs LT1 (soundkillr)

You can't compare a factory freak well tuned L98, vs a factory wimp out of tun LT1.

With both in working order, the Lt1 will own the L98 in every way. Thats just how it is.


This is exactly like comparing the LT1 to the LS1.
45more horsepower, Do I think my LT1 can beat an LS1, hell now.
When I had my 88 I didn't expect to beat LT1s. I did beat a 97ish Z28 Lt1 though.
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Old Apr 16, 2002 | 12:32 AM
  #52  
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Default Re: L98 vs LT1 (Marty McFly)

JESH I was not saying A healthy l98 should race a sick lt1. I was trying to agree with the comment alot of l98's are dawgs. Find a healthy one though and its going to give you a run. I am just running in circles with you on this one, so I am leaving this topic now. If you are ever in the Atlanta area, look me up and we will have a race (for fun) if you are interested. Take care
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Old Apr 16, 2002 | 12:43 AM
  #53  
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Default Re: L98 vs LT1 (soundkillr)

JESH I was not saying A healthy l98 should race a sick lt1. I was trying to agree with the comment alot of l98's are dawgs. Find a healthy one though and its going to give you a run. I am just running in circles with you on this one, so I am leaving this topic now. If you are ever in the Atlanta area, look me up and we will have a race (for fun) if you are interested. Take care
:)

Maybe I read you wrong?

Anyways I never said the L98 was a bad engine, it was bad butt. ANd I loved it, perfect for intown driving.

If we raced at a track you would probably work me. I'm getting used to this whole having to move your left foot along with your right foot business...:p:
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Old Apr 17, 2002 | 12:43 AM
  #54  
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Default Re: L98 vs LT1 (01GT)

I told my friend who’s never driven a vet before, to floor it and dump the clutch at 2000rpms from a stand still. Well he looked rather nervously amazed at the +75ft posi (ya, I know it’s a limited slip) he laid down, especially since we’re at 4400Ft here at Reno, NV. Hell if I wanted to get stupid, I could burn up a new set of rear tires in an evening! Done that a few times
Thats exactly how my first real drag race was in the '94! Still won though... :D

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