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Thread: Fastest a-body off the showroom floor?

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    Senior Member Century7667's Avatar
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    Default Fastest a-body off the showroom floor?

    I just had to do some research on the Buicks:

    96 Century 3100 / 4T60E
    0-60: 9.8
    0-100: 29.5
    Mile: 17.1 @ 83 mph

    93 Century 3300 / 4T60
    0-60: 10.2
    0-100: 31.9
    Mile: 17.5 @ 81 mph

    88 Century 3.8L / 440-T4
    0-60: 9.6
    0-100: 31.2
    Mile: 17 @ 81 mph

    Cheers!
    Ken T.



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    Senior Member Keiths1976's Avatar
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    Haha awesome sir

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    Senior Member Century7667's Avatar
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    96 Century 2.2L / 3T40
    0-60: 13.1
    0-100: 57.3
    Mile: 19 @ 74 mph

    92 Century 2.5L / 3T40
    0-60: 12.7
    0-100: 60.3
    Mile: 18.9 @ 74 mph

    88 Century 2.8L / TH125C
    0-60: 11.1
    0-100: 42.4
    Mile: 17.9 @ 78 mph

    85 Century 4.3L Diesel / TH125C
    0-60: 16.9
    0-100: 190.6 (Oh crap!!!)
    Mile: 21.5 @ 68 mph

    85 Century 3.0L / TH125C
    0-60: 14.1
    0-100: 73.5
    Mile: 17.6 @ 73 mph

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    Senior Member Century7667's Avatar
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    One of the takeaways I found interesting was that BOTH 4-cyl offerings were faster than the 3.0 Buick. Diesel taking over 2-1/2 minutes to get to 100 mph.

    The fastest two motors in the Century were the 3100 L82 and the 3.8 LG3.

    Ken T.

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    Senior Member Duke George V's Avatar
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    How silly is that. I have not been able to replicate those numbers. My 3300 Century ran 18.1, and my 96 3100 ran 18.34. Granted, my 96 is a wagon, so it's a bit heavier, but those are fairy tale numbers. I'm only besting that 1/4 mile ET after my LX9 swap, most of the interior gone, and shorter front tires to alter the effective final drive from 2.97 to 3.16. That gave me a 17.01 at 79 mph.

    Same story with the Duke. My old 6000 ran a 20.4. And the 2.8. My Celebrity did an 18.34, with a 3.73 final drive 440T4. Ringers?!?
    Daniel
    Kaiser George IX: 1996 Buick Century Special wagon. 214-SFI. 201k miles. Never gonna give you up, never gonna let you down. First documented LX9 swap in an A-body! Click here to read my build thread!
    Goldilocks: 1992 Buick Century Special sedan. 204-MFI. 120k miles. Will be mom's car soon.
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    Senior Member Century7667's Avatar
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    Quote Originally Posted by Duke George V View Post
    How silly is that. I have not been able to replicate those numbers. My 3300 Century ran 18.1, and my 96 3100 ran 18.34. Granted, my 96 is a wagon, so it's a bit heavier, but those are fairy tale numbers. I'm only besting that 1/4 mile ET after my LX9 swap, most of the interior gone, and shorter front tires to alter the effective final drive from 2.97 to 3.16. That gave me a 17.01 at 79 mph.

    Same story with the Duke. My old 6000 ran a 20.4. And the 2.8. My Celebrity did an 18.34, with a 3.73 final drive 440T4. Ringers?!?
    I question the numbers too as found some inconsistencies, BUT I think they are useful for comparison. For instance, have you ever dragged a 3100 vs. a 3300. Did the 3100 begin to pull away as the speeds got faster?

    Ken T.

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    Senior Member Century7667's Avatar
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    Well, I discovered the numbers aren't exactly legit; but the site is interesting and useful nonetheless: http://www.automobile-catalog.com/

    Ken T.

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    Some of the Celebrity brochures gave performance data for the 2.8 as well. For some reason they always used the TH125. The THM440 always feels faster to me, with the 3.33 ratio. Most notably, the 0-100 run.
    -Andy

    '86 Eurosport VR coupe, '86 Eurosport sedan, '86 Eurosport sedan, '88 Eurosport VR coupe, '88 Eurosport wagon, '93 Ciera sedan

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    Quote Originally Posted by 86euro View Post
    Some of the Celebrity brochures gave performance data for the 2.8 as well. For some reason they always used the TH125. The THM440 always feels faster to me, with the 3.33 ratio. Most notably, the 0-100 run.
    I agree. Not only more low end grunt, but better highway mpg. The 3.33 final drive I think is optimal.

    I didn't see the 6000 listed on that webpage. Would have been nice to see the numbers on a 3.1 MPFI sedan. The Celebrity was only offered as a wagon by the time they used the 3.1.
    1989 Celebrity CL 4 door, 3.1 MPFI, 4 speed auto, summer daily driver
    1989 Cutlass Cruiser wagon, 2.8 MPFI (future 3.1), 4 speed auto, future summer ride
    1996 Cherokee XJ 4 door, 4.0, 5 speed, winter daily driver & towing vehicle
    1991 Tracker 2 door, 1.6, 5 speed, needs work
    Previously several Celebritys, 6000s, & 2 U-vans

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    the 3 speed actually might be faster than the 4 for those numbers. The 4 speed I think has to shift twice to 60 and 3 times to 100, while the 3 speed shifts 1 to 60 and 2 to 100. I've passed a few 3800s on straights with my little 2.8 because of the the momentum lost in those extra shifts.

    Also I think the ciera might be a tad faster than the century because I think it had slightly less drag, but there is a big loss in 89 for both sedans due a lot because they lost the flat rear window. The faster your going the bigger difference that will make.

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    Senior Member Century7667's Avatar
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    Quote Originally Posted by tlc1976 View Post
    I agree. Not only more low end grunt, but better highway mpg. The 3.33 final drive I think is optimal.

    I didn't see the 6000 listed on that webpage. Would have been nice to see the numbers on a 3.1 MPFI sedan. The Celebrity was only offered as a wagon by the time they used the 3.1.
    I tried to find the 3.1 MPFI sedan, but all I could find were the Duke George clones (90 Celeb Wagons). It would have been a good number to have.

    I like the 4-spd auto, it really helps the car launch off the line. Even today, my '96 Century can deal with today's traffic just fine; give it an inch and it will take over. I've gotten 33 mpg with it. I'm very happy with it.

    Ken T.

  12. #12
    Senior Member Drop Top Olds's Avatar
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    Mr. Manual---- That is the only way to have an A-body with some giddy up.
    1959 Chevrolet Apache 31 235 I-6 SM420
    1971 Oldsmobile Cutlass Supreme Conv 350-4 V8 THM350
    1988 Chevrolet Celebrity Eurosport 2.8 V-6 Getrag 5 Speed

  13. #13
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    Quote Originally Posted by Drop Top Olds View Post
    Mr. Manual---- That is the only way to have an A-body with some giddy up.
    It sure must be nice
    -Andy

    '86 Eurosport VR coupe, '86 Eurosport sedan, '86 Eurosport sedan, '88 Eurosport VR coupe, '88 Eurosport wagon, '93 Ciera sedan

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    I would have loved a 5-speed manual with my 3300.

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    I have the June 1986 issue of Car and Driver and they tested an 86 Olds Ciera GT 3.8 150 HP V6,
    0-60 9.1
    0-100 35.8
    1/4 mile 17.0 @ 79 mph
    Top Speed 111 mph
    Braking 70-0 209 feet

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