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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain / Exhaust Modifications > 3.91 final drive gearing and revs at speeds...



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      06-16-2018, 07:51 AM   #23
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Originally Posted by desertman123 View Post
Can you record any acceleration runs with the tach/speedo?

I love how aggressive this is
Here you go. The car is a handful itís not nearly as easy filming and shifting now lol...

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      06-16-2018, 09:31 AM   #24
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Originally Posted by Biginboca View Post
Here you go. The car is a handful itís not nearly as easy filming and shifting now lol...

From what I can gather

0-30 -2.5sec
0-60 -5.7sec
0-80 -9sec

That extra shift just before 60 keeps the time down. I think if you didnít had to shift there, you couldíve hit it in about 5
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      06-16-2018, 10:05 AM   #25
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Originally Posted by W37V View Post
From what I can gather

0-30 -2.5sec
0-60 -5.7sec
0-80 -9sec

That extra shift just before 60 keeps the time down. I think if you didn’t had to shift there, you could’ve hit it in about 5
Yeah probably so. FYI I didn’t mean that video to represent a 0-60 run the launch was gentle and I was watching the camera trying to keep it framed not watching my tach for shift points. The car is a little faster than that to me it seems to time about the same as when I had the 3 stage and 3.73, like 5.3-5.4 or so 0-60 on my best runs. I have another video that was maybe a little faster where I was trying to time a run but he video is not framed right the speedo moves out of the frame for part of the run and my shift knob popped off when I banged 2nd... that wasn’t going to stop me I grabbed the bare shift rod and kept going... when I shifted to 3rd something felt weird and then the shift rod assembly went all limp and loose and wobbly.

Car is in neutral and 1/2 mile from home luckily. Gonna tow it home with my Jeep now anyone ever broken a shift linkage?

Last edited by Biginboca; 06-16-2018 at 10:27 AM.
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      06-16-2018, 02:50 PM   #26
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Quote:
Originally Posted by Biginboca View Post
Here you go. The car is a handful it’s not nearly as easy filming and shifting now lol...
LOVE IT!!!

You ever gonna take it out to PBIR?
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      06-16-2018, 04:58 PM   #27
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Quote:
Originally Posted by desertman123 View Post
LOVE IT!!!

You ever gonna take it out to PBIR?
I’ve run it there once and started a thread here after. It was first week of March had a decent D/A and my first time at a drag strip.

http://www.e90post.com/forums/showthread.php?t=1472124

My best run was a 14.018” with a 1.998 60’ time. Mods at that time were:

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Since then I’ve switched to/added:

N54 Manifold
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AFE Stage 2 Sealed CAI
Supersprint Secondary Cat Delete
AA muffler

Once the weather turns cooler I’ll head back up to PBIR again. I’d really like to get a slip on a run with a 1.8x 60’ time and under 13.8”.

Last edited by Biginboca; 06-16-2018 at 05:17 PM.
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      06-16-2018, 09:09 PM   #28
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Biginboca I will be deeply pissed off if you ever beat my M3's 13.5s. I never got a perfect pass, was bumping the rev limiter in 3rd instead of shifting to 4th but you'll definitely be deep in 4th by the end of the track.
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      06-16-2018, 09:26 PM   #29
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Quote:
Originally Posted by Phyrexia View Post
Biginboca I will be deeply pissed off if you ever beat my M3's 13.5s. I never got a perfect pass, was bumping the rev limiter in 3rd instead of shifting to 4th but you'll definitely be deep in 4th by the end of the track.
E46? What MPH?
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      06-17-2018, 12:02 AM   #30
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Quote:
Originally Posted by Biginboca View Post
I’ve run it there once and started a thread here after. It was first week of March had a decent D/A and my first time at a drag strip.

http://www.e90post.com/forums/showthread.php?t=1472124

My best run was a 14.018” with a 1.998 60’ time. Mods at that time were:

MODS LIST

Once the weather turns cooler I’ll head back up to PBIR again. I’d really like to get a slip on a run with a 1.8x 60’ time and under 13.8”.
Maybe we can rally the troops and make an E8x/E9x day out of it. Taskmaster, elitesales305, Gangplank and anyone else I can think of around here.
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Last edited by desertman123; 06-17-2018 at 12:34 AM.
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      06-17-2018, 12:16 AM   #31
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Quote:
Originally Posted by desertman123 View Post
Maybe we can rally the troops and make an E82/E9x day out of it. Taskmaster, elitesales305, Gangplank and anyone else I can think of around here.
Iím game.
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      06-17-2018, 06:59 AM   #32
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Quote:
Originally Posted by Phyrexia View Post
Biginboca I will be deeply pissed off if you ever beat my M3's 13.5s. I never got a perfect pass, was bumping the rev limiter in 3rd instead of shifting to 4th but you'll definitely be deep in 4th by the end of the track.
I don’t see my car ever beating 13.6... even if I get lighter wheels and mess with tire pressure, etc I think that’s about the best it could do on a perfect run in ideal weather (50 degree temps). I’ve spent some time researching (can’t always be under the car tinkering lol) and this is about where the N/A cars stack up approximately:

My Car after mods 3300lbs (estimating based on others dynos)
255whp
220wtq
(Should be ~13.6” @ 102-103mph 1/4 Mile???)

Stock E36M3 (US version) 3200lbs
215whp
210wtq
~13.9” @ 99mph 1/4 mile

Stock E46M3 3400lbs
280whp
235wtq
~13.1” @ 105mph 1/4 mile

Stock E92M3 3600lbs
360whp
260wtq
~12.8” @ 111mph 1/4 mile


I actually hope to see Noir or CobraMarty beat e46m3 numbers once they get their super chargers sorted. So far for the supercharger videos I’ve seen my car is already faster but those are older videos and with all the new BPC tuning options and MILVs, etc... well I expect things will be different now. I see no reason a F/I N52 would make less than 300whp which should propel it right between the e46 and e92 m3’s, provided the gearing and tuning is sorted.

Last edited by Biginboca; 06-17-2018 at 07:22 AM.
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      06-17-2018, 07:00 AM   #33
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Quote:
Originally Posted by Biginboca View Post
Quote:
Originally Posted by Phyrexia View Post
Biginboca I will be deeply pissed off if you ever beat my M3's 13.5s. I never got a perfect pass, was bumping the rev limiter in 3rd instead of shifting to 4th but you'll definitely be deep in 4th by the end of the track.
I don’t see my car ever beating 13.6... even if I get lighter wheels and mess with tire pressure, etc I think that’s about the best it could do on a perfect run in ideal weather (50 degree temps). I’ve spent some time researching (can’t always be under the car tinkering lol) and this is about where the N/A cars stack up approximately:

My Car after mods 3200lbs
260whp
230wtq
(Should be ~13.6” @ 102-103mph 1/4 Mile???)

Stock E36M3 3200lbs
215whp
210wtq
~13.9” @ 99mph 1/4 mile

Stock E46M3 3400lbs
280whp
235wtq
~13.1” @ 105mph 1/4 mile

Stock E92M3 3600lbs
360whp
260wtq
~12.8” @ 111mph 1/4 mile


I actually hope to see Noir or CobraMarty beat e46m3 numbers.
With time and practice on the strip
I know the first run is gon' be poopy
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      06-17-2018, 11:56 AM   #34
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Quote:
Originally Posted by desertman123 View Post
Maybe we can rally the troops and make an E8x/E9x day out of it. Taskmaster, elitesales305, Gangplank and anyone else I can think of around here.
I'd be game sometime... Don't know how fast my car would be being as its just a lowly 135i w DCT PPK & otherwise stock. Maybe R1blade75 BAN_M2 will come out also. Its a bit of a drive for Ban_M2 tho.
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      06-17-2018, 12:04 PM   #35
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Quote:
Originally Posted by Gangplank View Post
Quote:
Originally Posted by desertman123 View Post
Maybe we can rally the troops and make an E8x/E9x day out of it. Taskmaster, elitesales305, Gangplank and anyone else I can think of around here.
I'd be game sometime... Don't know how fast my car would be being as its just a lowly 135i w DCT PPK & otherwise stock. Maybe R1blade75 BAN_M2 will come out also. Its a bit of a drive for Ban_M2 tho.
What track are we talking about?
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      06-17-2018, 12:04 PM   #36
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      06-17-2018, 04:08 PM   #37
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Originally Posted by BAN_M2 View Post
What track are we talking about?
I think they were talking about PBIR
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      06-17-2018, 05:34 PM   #38
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I ran consistent 13.4 / 13.5s @ 99mph without shifting into 4th gear, and unfortunately I didn't get a time slip for The One Perfect Run where everything went well. I would like to think the car was running 13.2 or 13.3 @ 102 or so.

Yeah a supercharged 328 ought to dust a stock E46 M3. An E46 with headers and gears and a tune might give a supercharged N52 a run for its money though.

Quote:
Originally Posted by Biginboca View Post
I donít see my car ever beating 13.6... even if I get lighter wheels and mess with tire pressure, etc I think thatís about the best it could do on a perfect run in ideal weather (50 degree temps). Iíve spent some time researching (canít always be under the car tinkering lol) and this is about where the N/A cars stack up approximately:

My Car after mods 3300lbs (estimating based on others dynos)
255whp
220wtq
(Should be ~13.6Ē @ 102-103mph 1/4 Mile???)

Stock E36M3 (US version) 3200lbs
215whp
210wtq
~13.9Ē @ 99mph 1/4 mile

Stock E46M3 3400lbs
280whp
235wtq
~13.1Ē @ 105mph 1/4 mile

Stock E92M3 3600lbs
360whp
260wtq
~12.8Ē @ 111mph 1/4 mile


I actually hope to see Noir or CobraMarty beat e46m3 numbers once they get their super chargers sorted. So far for the supercharger videos Iíve seen my car is already faster but those are older videos and with all the new BPC tuning options and MILVs, etc... well I expect things will be different now. I see no reason a F/I N52 would make less than 300whp which should propel it right between the e46 and e92 m3ís, provided the gearing and tuning is sorted.
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      06-17-2018, 06:03 PM   #39
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Quote:
Originally Posted by Phyrexia View Post
I ran consistent 13.4 / 13.5s @ 99mph without shifting into 4th gear, and unfortunately I didn't get a time slip for The One Perfect Run where everything went well. I would like to think the car was running 13.2 or 13.3 @ 102 or so.

Yeah a supercharged 328 ought to dust a stock E46 M3. An E46 with headers and gears and a tune might give a supercharged N52 a run for its money though.
A Stock E36 M3 isn't a 99mph car, nor is it hitting 13s.
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      06-18-2018, 01:43 AM   #40
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Quote:
Originally Posted by Taskmaster View Post
A Stock E36 M3 isn't a 99mph car, nor is it hitting 13s.
Who said anything about E36s?
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      06-18-2018, 08:27 AM   #41
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Who said anything about E36s?
Post above mine.
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      06-18-2018, 10:31 AM   #42
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Quote:
Originally Posted by Taskmaster View Post
A Stock E36 M3 isn't a 99mph car, nor is it hitting 13s.
I got that from some googling. Did some more reading just now maybe that was optimistic, Iím seeing some other reviews around 14.2 @ 97 depends on the review.
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      06-18-2018, 11:01 AM   #43
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Originally Posted by Gangplank View Post
I'd be game sometime... Don't know how fast my car would be being as its just a lowly 135i w DCT PPK & otherwise stock. Maybe R1blade75 BAN_M2 will come out also. Its a bit of a drive for Ban_M2 tho.
Maybe we can use Orlando Speed World as the midpoint for Taskmaster and you! Taskmaster is around Tampa, BAN_M2 and I are in Orlando.

You'd still dust my ass lmao.
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      06-18-2018, 11:07 AM   #44
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Both work for me.

OSW is about 50 min from me.
PBIR is about 1:15 from me.

Havent dragged race on a track in almost a decade, you all will punish both my cars

I do road racing and Autocross!
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