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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > The king is dead. Long live the king!



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      05-13-2011, 01:10 PM   #89
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Quote:
Originally Posted by hotrod182 View Post
All depends on the DA. The C6 Z06s at Fontana last week (uphill track) couldn't break out of the 116-117mph trap range...with ETs ranging from 12.2-12.8. New 5.0 GTs ran 13.5 at 105.8mph. I only got a 11.55 at 124.x before I got disqualified for no roll cage. Never going back to that track again.
+1 run that car in -1500 DA and you'll see some great times

I ran my 135i with only tune, 93 octane, dci and dps and ran a 12.44@111.2, but that was in +2317 DA. Run that in negative DA I wouldn't be surprised if it could trap 114 on pump.
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      05-13-2011, 01:11 PM   #90
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My brother's stock z06 traps around 121-122 in warm weather, while I was trapping 118+. He is stock, I am FBO+meth...for reference. ~80+degrees on a slow track. VBox usually reads a few mph faster than the slip.

I'm pretty sure LM's car would easily beat most stock Z06s.
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      05-13-2011, 03:08 PM   #91
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Quote:
Originally Posted by GeorgiaTech335coupe View Post
My brother's stock z06 traps around 121-122 in warm weather, while I was trapping 118+. He is stock, I am FBO+meth...for reference. ~80+degrees on a slow track. VBox usually reads a few mph faster than the slip.

I'm pretty sure LM's car would easily beat most stock Z06s.
i think a lot of people fail to realize that most of these stock c6 z06's(stock tires too) have to launch at or near idle. while spinning through the first 60' may not hinder their trap(estimated power), spinning after it will(shifting into 2nd etc) which would give false sense of real world power.

yes, DA does hinder their power, but i think traction is a far bigger problem in a drag for their cars even with +2300DA.

remove traction from the equation and those z06's are monsters in stock form... if DA is near zero or below and they can get traction they will do 10's@128-130 with a good driver. +~2000DA and traction...they will still muster low 11's@124+ nothing else but DR's.

now race from 60 or something...that will be far more conclusive in terms of which car is faster. and i definitely want to see LM hang or edge him out.
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      05-13-2011, 03:22 PM   #92
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Quote:
Originally Posted by Questforpower View Post
This guy claims he is 100% stock other than drag radials. If that's the case, when it comes to drag racing, I wouldn't compare what LM did to a Z06...

Z06 is on another level when it comes to dragging.


http://www.dragtimes.com/Chevrolet-C...slip-8071.html
That's "Ranger." He posts a lot on the C6 Z06 forum and is a monster. He has the ability to drive that car to its potential down a 1/4 mile. Not every Z06 driver has that kind of ability. The Z06 is hard to launch properly - too much RPM and you blow the tires off, too little and it bogs pretty bad.
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      05-13-2011, 04:12 PM   #93
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Quote:
Originally Posted by maui86 View Post
i think a lot of people fail to realize that most of these stock c6 z06's(stock tires too) have to launch at or near idle. while spinning through the first 60' may not hinder their trap(estimated power), spinning after it will(shifting into 2nd etc) which would give false sense of real world power.

yes, DA does hinder their power, but i think traction is a far bigger problem in a drag for their cars even with +2300DA.

remove traction from the equation and those z06's are monsters in stock form... if DA is near zero or below and they can get traction they will do 10's@128-130 with a good driver. +~2000DA and traction...they will still muster low 11's@124+ nothing else but DR's.

now race from 60 or something...that will be far more conclusive in terms of which car is faster. and i definitely want to see LM hang or edge him out.
On a car such as a Z06, when comparing a N54 to it, probably best to use the 60-130 times as a good reference. Takes the traction equation out of the game. I don't think a stock Z06 will get into the 6's, but probably in the 7's at best.
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      05-13-2011, 05:25 PM   #94
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Quote:
Originally Posted by maui86 View Post
i think a lot of people fail to realize that most of these stock c6 z06's(stock tires too) have to launch at or near idle. while spinning through the first 60' may not hinder their trap(estimated power), spinning after it will(shifting into 2nd etc) which would give false sense of real world power.

yes, DA does hinder their power, but i think traction is a far bigger problem in a drag for their cars even with +2300DA.

remove traction from the equation and those z06's are monsters in stock form... if DA is near zero or below and they can get traction they will do 10's@128-130 with a good driver. +~2000DA and traction...they will still muster low 11's@124+ nothing else but DR's.

now race from 60 or something...that will be far more conclusive in terms of which car is faster. and i definitely want to see LM hang or edge him out.
Interesting. He is coming from a SC'd Mustang (~500whp) and he said a big difference is that the Vette puts the power down to the ground with the massive tires. The vette is also trapping slightly higher than the Mustang did.

He easily pulled 1.5 60' in his Mustang at the track, but is having difficulty with the launch of the vette. Then again he hasn't had it that long.

I'd say ~124-125, mid to high 11s is what you can reasonably expect out of the z06 completely stock in good weather. The handful of 10s runs are anamolies at awesome tracks, in ridiculous weather, with driver's who probably had 100s of passes in the car.

I think the z06 will really shine against any n54 after 120mph though.
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      05-13-2011, 05:27 PM   #95
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I'd also be willing to bet that a FBO+meth MT n54 is a lot more difficult to launch than a z06, if both are on street tires.

Maybe I'll switch with my brother and find out...
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      05-13-2011, 07:26 PM   #96
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Quote:
Originally Posted by GeorgiaTech335coupe View Post
I'd also be willing to bet that a FBO+meth MT n54 is a lot more difficult to launch than a z06, if both are on street tires.

Maybe I'll switch with my brother and find out...
Ran an 11.6 @ 124 in 60 deg weather in mine absolutely bone stock. I had to shift to 4th 50 feet before the end of the track which kinda kills the trap speed. My brother has a Z06 exactly like mine (we both have intakes) but different/taller street tires. He is able to stay in 3rd all the way through and traps 127. Exact same power and mods, just one less shift. Pretty amazing difference, IMO.

I have a video of me racing a 125 mph GTR from a roll. It wasn't pretty for the GTR. I'll get it up on youtube and post it here soon.
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      05-13-2011, 09:13 PM   #97
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Quote:
Originally Posted by Questforpower View Post
This guy claims he is 100% stock other than drag radials. If that's the case, when it comes to drag racing, I wouldn't compare what LM did to a Z06...

Z06 is on another level when it comes to dragging.


http://www.dragtimes.com/Chevrolet-C...slip-8071.html
There was a bone stock Z06 on run-flat tires that ran 10.9 @ 128. Time slip is out there somewhere, it was on the east coast.
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      05-15-2011, 02:26 AM   #98
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Quote:
Originally Posted by GeorgiaTech335coupe View Post
Interesting. He is coming from a SC'd Mustang (~500whp) and he said a big difference is that the Vette puts the power down to the ground with the massive tires. The vette is also trapping slightly higher than the Mustang did.

He easily pulled 1.5 60' in his Mustang at the track, but is having difficulty with the launch of the vette. Then again he hasn't had it that long.

I'd say ~124-125, mid to high 11s is what you can reasonably expect out of the z06 completely stock in good weather. The handful of 10s runs are anamolies at awesome tracks, in ridiculous weather, with driver's who probably had 100s of passes in the car.

I think the z06 will really shine against any n54 after 120mph though.
there was a guy who brought his z06 down to the track here for the first time and he had a hard time getting past mid 12's due to traction. i asked him what he was launching at and he said "3,000rpm but i kept spinning so i tried 4k and it got worse." 12.6@117 with 60' times you'd probably be able to run past. haha. it was yhis first time and he didn't know how the timing was calculated and kept subtracting the reaction time from the ET.

i told him try just above idle and ease into 2nd(you know the track sucks when the street has better traction) and he got an 11.8@123mph 2.0sec 60'...DA ~2000+...another corvette dude had a set of rims with DR's on it and wanted to see what the car would be able to get without having such a reserve launch. same night...1.6sec 60ft 11.1@127mph ~3,000rpm launch...he said the car didn't slip going into 2nd or 3rd either and wanted to try another pass but they booted him off for not having a roll cage and going faster than 11.4!!!!

Quote:
Originally Posted by hotrod182 View Post
On a car such as a Z06, when comparing a N54 to it, probably best to use the 60-130 times as a good reference. Takes the traction equation out of the game. I don't think a stock Z06 will get into the 6's, but probably in the 7's at best.
totally agree, which is why it'd be nice to see LM race one from a roll 40,50,60mph starting points...thats more telling of a cars speed capabilities over another. and i wouldn't be surprised if he edged one as hes less susceptible to DA with the RB turbos.

Quote:
Originally Posted by M3_WC View Post
There was a bone stock Z06 on run-flat tires that ran 10.9 @ 128. Time slip is out there somewhere, it was on the east coast.
yeah i believe that track is extremely well prepped and the weather was in the -DA...in those conditions with DR's who the hell knows what he would of been able to achieve...mid 10's@130...it would definitely give a false expectation to a new owner haha.
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      05-15-2011, 07:03 AM   #99
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Congrats LM!
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      05-16-2011, 08:54 PM   #100
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      05-16-2011, 09:00 PM   #101
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Congrats Lm
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      05-16-2011, 09:04 PM   #102
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Quote:
Originally Posted by A418t81 View Post
Ran an 11.6 @ 124 in 60 deg weather in mine absolutely bone stock. I had to shift to 4th 50 feet before the end of the track which kinda kills the trap speed. My brother has a Z06 exactly like mine (we both have intakes) but different/taller street tires. He is able to stay in 3rd all the way through and traps 127. Exact same power and mods, just one less shift. Pretty amazing difference, IMO.

I have a video of me racing a 125 mph GTR from a roll. It wasn't pretty for the GTR. I'll get it up on youtube and post it here soon.

I ran a 11.5 @ 126 on my FBO 2008 c6 with 410 gears and I had to shift into 5th lol. Z06 gearing is awesome. I know had I switched to a taller tire I would have trapped higher and been able to cross the line in 4th.
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