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Launching M7 in the 9s

 
Old 11-05-2018, 10:04 AM
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jabeasley1
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Default Launching M7 in the 9s

Good morning family..
My car is off to Vengeance Racing soon and upon getting it back, hope to be running 9s at the drag strip. I already have MT ET SS DRAGS for tires on top of this soon to be full build. I have been an avid user of my launch control and can pull 10.7s all day. I think its time to step up my game. Please answer if you have an M7 and currently run 9s. How are you guys launching?
Thanks in advance
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Old 11-05-2018, 02:38 PM
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Subbing. Been trying to figure out how to launch this thing for awhile.
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Old 11-05-2018, 09:23 PM
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Subbed be going for those 9's this spring just need a drag pack.
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Old 11-05-2018, 09:26 PM
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Originally Posted by jabeasley1 View Post
Good morning family..
My car is off to Vengeance Racing soon and upon getting it back, hope to be running 9s at the drag strip. I already have MT ET SS DRAGS for tires on top of this soon to be full build. I have been an avid user of my launch control and can pull 10.7s all day. I think its time to step up my game. Please answer if you have an M7 and currently run 9s. How are you guys launching?
Thanks in advance
what mods did you have to get to 10.7s with an m7 was that stock? and what mph ?

Last edited by Mr. Gizmo; 11-05-2018 at 09:26 PM.
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Old 11-06-2018, 08:06 AM
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I too have "19 Z and am interested in working with Vengeance. Just not sure of the pkg. What are you having done??
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Old 11-06-2018, 08:59 AM
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Default Build


here is my build.. minus a few extra things
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Old 11-06-2018, 09:05 AM
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Default Not quite stock

Im not quite stock but dont have too many mods either. I would just say the only 3 that matter is the AFE CAI, borla xpipe, and MT ET SS DRAGs
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Old 11-06-2018, 09:40 AM
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I can't speak from specific M7 Z06 experience but most any high powered, manual trans car will require you to slip the clutch to get the most effective launch. Launch control can help you be consistent but it won't give you the quickest time. A quick slip of the clutch will allow you to weight transfer, plant the power while keeping the RPMs up. You will have to find the sweet spot and get used to changing your clutch fluid after a long day at the drag strip.
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Old 11-06-2018, 09:54 AM
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Default Slipping clutch

thanks for the reply... the few times I launched it without the control, it smelled like I burnt the clutch.. you think I was riding the clutch too much on launch?
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Old 11-06-2018, 02:41 PM
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Originally Posted by jabeasley1 View Post
Im not quite stock but dont have too many mods either. I would just say the only 3 that matter is the AFE CAI, borla xpipe, and MT ET SS DRAGs
drag radials !
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Old 11-06-2018, 02:58 PM
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Should be fun! Stage lll, 800 hp at crank?
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Old 11-07-2018, 03:11 PM
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Originally Posted by jabeasley1 View Post
thanks for the reply... the few times I launched it without the control, it smelled like I burnt the clutch.. you think I was riding the clutch too much on launch?
I'd have to get a good listen/view of the launch to really tell you. If you smelled it for a good while after the run, you probably did slip it a bit too much. A quick progressive release without dumping it is usually ideal but you don't want to ride it out too long/hard. Def give everything time to cool down sufficiently between runs. The clutch and fluid will thank you.
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Old 12-06-2018, 07:00 AM
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Subbing
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Old 12-06-2018, 08:42 AM
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I run 9’s in a M7 (non Z06). You likely won’t get many, (if any) first hand accounts because there are only three C7 M7’s that I am aware of that broke into 9’s. It takes 800+ HP and negative DA to do it usually. You’ll need to have radials for sure, no launch control, and all nannies off. I used 18” wheels with MT ET Street SS 305/40/18 when I did my 9.92 pass at 140mph. That was with 850rwhp. Also, be prepared to start shattering differentials, spider gears, stub shafts, and axles. That comes with the territory of launching that hard.

Originally Posted by blackbirdws6 View Post
I can't speak from specific M7 Z06 experience but most any high powered, manual trans car will require you to slip the clutch to get the most effective launch. Launch control can help you be consistent but it won't give you the quickest time. A quick slip of the clutch will allow you to weight transfer, plant the power while keeping the RPMs up. You will have to find the sweet spot and get used to changing your clutch fluid after a long day at the drag strip.
^This, exactly. You have to find the sweet spot. Thats what being a good manual trans driver is all about!

Originally Posted by jabeasley1 View Post
thanks for the reply... the few times I launched it without the control, it smelled like I burnt the clutch.. you think I was riding the clutch too much on launch?
Yes, you burnt it. It takes a LOT of practice to learn the car and the right launch method.

Ant

Last edited by FYREANT; 12-06-2018 at 08:43 AM.
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Old 12-06-2018, 09:06 AM
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Congrats in the 9's!!

You had all nannies off?! Even stabilities ! so do you manually correct on the go while in full throttle?!?!? That's amazing I don't think I can do that.

Any idea how many torque the stock M7 Z06 can take up to? But stock Z with drag radials no problem go the the strip every month won't break anything?
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Old 12-06-2018, 10:45 AM
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Awesome advice and great input everyone. Keep it coming.
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Old 12-06-2018, 01:46 PM
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Originally Posted by okaythen View Post
Congrats in the 9's!!

You had all nannies off?! Even stabilities ! so do you manually correct on the go while in full throttle?!?!? That's amazing I don't think I can do that.

Any idea how many torque the stock M7 Z06 can take up to? But stock Z with drag radials no problem go the the strip every month won't break anything?
ALL nannies turned off. It was on a fully prepped track though and stuck like glue all the way through the end. There is no magic number for how much torque it can handle. I had 730rwtq on a stock rear end setup and was fine, I had a friend with a bone stock Z51 that snapped an axle. Its all about how you treat it. If you want to be able to just beat the **** out of it, you need to fully fortify the whole rear end..
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Old 12-06-2018, 05:54 PM
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Man ran into this post, now I finally understand why launching the M7 Z I can never get it to launch CONSISTENTLY, sometimes it will go sometimes it bogs, never had this problem with AWD, FWD, before I can usually launch them pretty well. Got the Z for more than 1 years now and I thought it's me but it's the computer. (I only drive it on the weekends) Was thinking about getting hoosier 315/30/18 with wheels but not sure how much they are going to help me. No wonder there are so few M7 in the fast list wish I had ran into this post earlier https://www.corvetteforum.com/forums...post1590672356

Last edited by okaythen; 12-06-2018 at 05:58 PM.
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Old 12-06-2018, 07:17 PM
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I fly in tomorrow to see my car at Vengeance (M7 at 1050ish RWHP). They basically told me what other posters here have said; prepare to break stuff. I'm more focused on 1/2 mile but am curious to hear of your results.
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Old 12-07-2018, 04:08 AM
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Originally Posted by okaythen View Post
Wow that must be some serious $$$$ for that kind of hp.

They didn't beef up the parts with the install?
Its all relative.

I had them beef up what was applicable for what I plan to do. If I was running the 1/4 on the regular, I wouldve most certainly had them do a rear end and still may. I did axles and already had a monster triple disc.

My comment was more surrounding that running the 1/4 is very hard on any driveline (no matter what the upgrade) and be prepared to break stuff.

Last edited by USMCMICHZ06; 12-07-2018 at 05:23 AM.
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