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

LT4 vs. LS1

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Old Jul 26, 2001 | 08:21 AM
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I was curious, how does the LT4 compare to an LS1 Vette in the 1/4 mile? Also, how does the LT1 compare to the LS1 & LT4.

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Old Jul 26, 2001 | 09:09 AM
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Just checked the Car and Driver web site's archives and they are interesting.

LT1 (tested in 1995)
0-60 5.1 sec
1/4 13.7@103 MPH

LT4 (CD observed the same numbers)
0-60 5.1 sec
1/4 13.7@103 MPH

LS1 (1998 Hardtop version)
0-60 4.9 sec
1/4 13.2@113 MPH

Closer than I thought. Hope this helps!


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Old Jul 26, 2001 | 10:46 AM
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5.1 for the 95 LT1 is pretty optimisitic isn't it? I thought it was more like 5.5-5.6.

Am I wrong?

I have a 96 LT1 auto with the 3.07 performance axle. Pretty much stock except for the open air lid. What is the "best guess" 0-60 time for this setup?

Thanks
Kevin
96 CE
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Old Jul 26, 2001 | 11:18 AM
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Shawn,

Did you by chance mix your numbers up ????

You are showing the LT1 & LT4 the same across the board .!?!?.

Just checking

Neal


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Old Jul 26, 2001 | 01:42 PM
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I took the numbers from the CD article. They also noted that the numbers were identical too. Might have been because the car was new and tight.

You can check out the article:

http://www.caranddriver.com/xp/Caran...1_corvette.xml

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Old Jul 26, 2001 | 01:48 PM
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Search for a test done, LT-1 vs. LT-4...both stock... I think the LT-4 hit 12.84. The LT-4 should be able to handle an LS-1, I don't know who is driving those car and driver cars... 13.7 for an lt-4 is embarrassing...

Your lt-4 should be high 12s.
As far as ls-1... I believe they are low 13s, but I'm not such an expert on those...

Randy
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Old Jul 26, 2001 | 02:13 PM
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I guess I should be "happy" with the #s I get from my 96 LT1 Automatic..

Yes I have a few "drive train" mods.. but the motor hasn't been touched..

BTW I checked my 0-60 with a G-tech (for what its worth, not much IMO) but it said 4.2 (That was at a drag strip with drag radials)

Click on the photo for a larger photo..

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Old Jul 26, 2001 | 02:36 PM
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Patrick got a 12.74 in a bone stock lt4..

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MotorTrend got 4.7 and 13.3 for a Grand Sport back in their November 1995 issue.
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Old Jul 26, 2001 | 10:19 PM
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It is well know that GM had to overrate the 345 HP LS1 and underrate the 330 HP LT4 (marketing 101, who is going to buy a new car that is slower then the previous year?)

In reality the LT4 will take a 345 HP LS1 consistently. 1/4 miles range from upper 12's to low 13's and 0-60 MPH is between 4.7 and 5.0 seconds. Now that the LS1 has been fixed and turning 350 HP it may be a little more in line with the LT4.



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