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98 Z28 vert vs. 2001 M5

This is a discussion on 98 Z28 vert vs. 2001 M5 within the Kill Stories forums, part of the Racing Forums category; well obviously i have the z28 vert my freind just got his m5 with intake and exhaust on it. my ...

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    rsg98Z28 rsg98Z28's Avatar
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    98 Z28 vert vs. 2001 M5

    well obviously i have the z28 vert my freind just got his m5 with intake and exhaust on it. my car has in take and exhaust some other suspension mods, MAF, free mods, its an M6 think ill get rocked? i figure the only place i have him is on weight but his car is damn fast.

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    LS1 Member Cali Night Stalker's Avatar
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    Sounds like a drivers race to me,the M5 has about the same 1/4 time but like u said it is heavy. Should be a good race!!

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    Sarge for AAG Emperor hutch1999's Avatar
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    drivers race! good luck! Be sure to practice your launch that can make or break a drag race

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    Senior Member t-rock's Avatar
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    i got ride in one back in 01 and all i can remember is how smooth the acceleration was it was quick though and if i remember those were the fastest sedans in the world at the time i think.

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    Rice Killa JwMonE99's Avatar
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    Let us know, keep us updated

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    Puerto Rico LS1 Rikki_SeVeN's Avatar
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    weight is pretty equal...if you have him in anything...it's torque...so use it to your advantage...


    good luck

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    rsg98Z28 rsg98Z28's Avatar
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    yea i think i have him on skill hopefully he just got the car a about a month ago and ive been driving a stick for years so i think thats one of my few advantages

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    Member pewterzron's Avatar
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    Quote Originally Posted by Rikki_SeVeN View Post
    weight is pretty equal...if you have him in anything...it's torque...so use it to your advantage...


    good luck
    I thought the M5 was much heavier? But if you can drive your car, you will win hands down. The M3 has the same et's as the ls1. But the M5 can do over 200 mph!!

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    I can't tell you who is going to win this race but I can give you some estimates on power + weight on the M5.

    Depending on which intake and exhaust he has he's probably making between 418-430HP at the flywheel. Its tough to say really as the BMW V8s are usually underrated.
    Expect his car to weigh in somewhere around high 3600-low 3700s. When you do exhaust on this car you do away with the resonators and massive mufflers. Both weigh about as much as an elephant. You also do away with the twin factory air boxes so you shed almost another 10lbs there.

    With a good driver in an E/I M5 expect the car to trap around 113-115mph with a good driver. Maybe 116 with an excellent driver. With a tune to bring it all together it would probably trap around 117+.

    Hope this helps let you know what you can expect from his car.

    p.s. if he can't drive, this won't even be a race for you.

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    Junior Member ttadriver's Avatar
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    Quote Originally Posted by ForceFed View Post
    I can't tell you who is going to win this race but I can give you some estimates on power + weight on the M5.

    Depending on which intake and exhaust he has he's probably making between 418-430HP at the flywheel. Its tough to say really as the BMW V8s are usually underrated.
    Expect his car to weigh in somewhere around high 3600-low 3700s. When you do exhaust on this car you do away with the resonators and massive mufflers. Both weigh about as much as an elephant. You also do away with the twin factory air boxes so you shed almost another 10lbs there.

    With a good driver in an E/I M5 expect the car to trap around 113-115mph with a good driver. Maybe 116 with an excellent driver. With a tune to bring it all together it would probably trap around 117+.

    Hope this helps let you know what you can expect from his car.

    p.s. if he can't drive, this won't even be a race for you.
    Back when I had my E46 M3 (2003.5) There was alot of talk about who was faster; M3 vs M5. The consensus was that from a standstill it was a driver's race, but above 100, the M5 would slowly pull a length. And the quarter mile trap speeds for both the M3 and M5 stock is nowhere near 110, more like 100-105. For an older M5 to post 115 mph trap speeds, that would equal approx 100hp over their rated amounts, from just an I/E?. I would have to see that to believe it. Now the newer 500hp M5 should trap 115 on a bad day. My bet would be for the Ls1 at speeds north of 100

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    Quote Originally Posted by ttadriver View Post
    Back when I had my E46 M3 (2003.5) There was alot of talk about who was faster; M3 vs M5.
    Given equal drivers this is not even really a comparison. M5 hands down.
    A chipped 335I is more a match for an M5 and a chipped 335I walks a stock E46 M3 pretty handily.

    The consensus was that from a standstill it was a driver's race, but above 100, the M5 would slowly pull a length. And the quarter mile trap speeds for both the M3 and M5 stock is nowhere near 110, more like 100-105.
    This would not coincide with my experiences. A E46 M3 is a good race for a well driven stock E39 540I 6-speed. A great driver in a 540I 6-speed will pull on an E46 M3.
    A great driven E39 540I 6-speed will trap 103-105mph. Here is my 6-speed 540I trapping 103mph and this was with the 2.81 open differential rear end, not the M-sport 540I 3.15 limited slip diff. On this night my car weighed in at 3788lbs. Runs were made at approximately 770-800 ft. above sea level and on a very hot and muggy night. My clutch fan and rad fans were on on every single pass and coolant temps were 230*F. Oh and I was also down a little on power due to a bad MAF.

    Here is the vid:

    My 97 540I 6-spd at. The track was very slick so I couldn't get out of the hole without spinning, so I launched it real soft. On this night, the car weighed in at 3788lbs.

    On the 103mph run, I gained almost 24mph on the back 1/8th. On the run against the LS2 GTO 6-speed, I gained 23.6mph on the back 1/8th to his 21.54
    On a cool night with the passenger headlight pulled to feed the filter, I have no doubt this car has 104+mph in it just as it sits.
    The 540I was rated for 282HP at the flywheel. The M5 was rated for 400HP at the flywheel.
    Here is a dyno sheet for my 540I. It was dyno'd on a load applying Dyno Dynamics which reads lower than a Mustang dyno. The dyno itself has been nicknamed "The heart breaker".



    That very same day a 06 LS2 GTO 6-speed dyno'd 271RWHP to my 266RWHP.
    Not bad for a car that was rated at 282HP @ the flywheel. You can expect that the M5 V8 is also underrated.


    My bet would be for the Ls1 at speeds north of 100
    With a good driver in the M5 i'd have to put my money on the M5 past 100mph.

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    Sarge for AAG Emperor hutch1999's Avatar
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    Quote Originally Posted by ForceFed View Post
    That very same day a 06 LS2 GTO 6-speed dyno'd 271RWHP to my 266RWHP.

    Sorry but something isnt right on those numbers

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    The Bandit Wesman's Avatar
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    Quote Originally Posted by hutch1999 View Post
    Sorry but something isnt right on those numbers
    No kidding...GTO isn't losing 130WHP through a T56...

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    Quote Originally Posted by hutch1999 View Post
    Sorry but something isnt right on those numbers
    Its a Dyno Dynamics. It reads even lower than a Mustang dyno because it applies even greater load on the car.

    *Ninja Edit*
    Typo! It wasn't a 06 LS2 GTO, it was the LS1 GTO. Sorry for the mix-up.

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    Sarge for AAG Emperor hutch1999's Avatar
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    still something isnt right m6 ls1 gto should put 300 down stock

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    Junior Member ttadriver's Avatar
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    Quote Originally Posted by ForceFed View Post
    That very same day a 06 LS2 GTO 6-speed dyno'd 271RWHP to my 266RWHP.
    Not bad for a car that was rated at 282HP @ the flywheel. You can expect that the M5 V8 is also underrated.

    I don't doubt your car made those type of gains given the fact that typical "normal" bmws are tuned more towards comfort and grand touring instead of all out speed. Pull some data of similar modications on the M5 and the gains expected. Typically the "M" cars are nearly maxed out with their engine's performance; intake/headers/exhaust usually give negligible gains which are certainly not cost effective. I know about the performance of chipped 335i, but I have seen several video years ago of M3s and M5s going at it and it was not an impressive victory for the winner. A properly running LS1 will punish a M3 above 100.
    Enough of the mental masturbation, when is this race going to happen?

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    rsg98Z28 rsg98Z28's Avatar
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    dont know yet wre both waiting until we have time to run it

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    Quote Originally Posted by hutch1999 View Post
    still something isnt right m6 ls1 gto should put 300 down stock
    its a different type of dyno (load based). an example of a different car would be an 03/04 Cobra would put down 300-320 on one of those.

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    Sarge for AAG Emperor hutch1999's Avatar
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    Quote Originally Posted by TrickStang37 View Post
    its a different type of dyno (load based). an example of a different car would be an 03/04 Cobra would put down 300-320 on one of those.
    if thats the case which dyno would you go by for a real world number

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    Sarge for AAG Emperor hutch1999's Avatar
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    Quote Originally Posted by TrickStang37 View Post
    its a different type of dyno (load based). an example of a different car would be an 03/04 Cobra would put down 300-320 on one of those.
    it would be more believable if it was an A4 ls1 GTO

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