Click to go to Forum Home Click to go to maXbimmer Home

Go Back   maXbimmer Forums > General > General Discussion
User Name
Password


Welcome to Maxbimmer.com!

You are currently viewing our boards as a guest which gives you limited access to view most discussions and access our other features. By joining our free community you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. Registration is fast, simple and absolutely free so please, join our community today!

Reply
 
Thread Tools Rate Thread Display Modes
Old 03-16-2004, 03:54 AM   #16
BMW_7
Econobimmer Racing
 
BMW_7's Avatar
 
Join Date: Dec 2002
Location: Kiev
Posts: 8,362
Send a message via AIM to BMW_7 Send a message via MSN to BMW_7
Quote:
Originally posted by BigD

MorningCruiser: Oh you would? Can you show me a street 5L anything that's naturally aspirated, gasoline powered, with 500 ft lbs of torque? (I'm just covering my ass but I'd be damn surprised if you found something that wasn't even a street engine)
Umm... Dodge Viper RT-10??...

I'm not very impressed. I think an 8k redline is impossible as well. I don't think an engine can be very reliable, unless they seriosuly did tons of research. But I am still doubtful..

0-60 improvement of 0.5 s? I'd stick to the E39 then.
__________________
Vitaliy



Helprace, a helpdesk & community platform
BMW_7 is offline   Reply With Quote
Old 03-16-2004, 03:54 AM   #17
SickFinga
Moderator
 
SickFinga's Avatar
 
Join Date: Jan 2002
Location: Location:
Posts: 16,441
ok, i just check and one of the best if not the best US NA engine (ls6) only got 400 lbs/ft, but it is 5.7 vs 5.0. So I think BMW did good now. I guess I got used to those V12 TwinTurbo from BENZ.
SickFinga is online now   Reply With Quote
Old 03-16-2004, 04:00 AM   #18
tlaselva
1800+ HP Driveway
 
tlaselva's Avatar
 
Join Date: Aug 2002
Location: Woodbridge
Posts: 2,695
Send a message via MSN to tlaselva
Quote:
Originally posted by BMW_7
Umm... Dodge Viper RT-10??...

I'm not very impressed. I think an 8k redline is impossible as well. I don't think an engine can be very reliable, unless they seriosuly did tons of research. But I am still doubtful..

0-60 improvement of 0.5 s? I'd stick to the E39 then.
Did you realize that the RT-10 is 8.3 L, not 5L?
Easy to make 500 lbs. torque with that displacement.

8K redline is not out of BMW's tech pool.
They have done it successfully with the M3's S54, and have been proven reliable, other than some manuf. problems in a few build months early in its production.

Another thing you will find is that torque in a N/A engine is closely tied into it's displacement. This is why even with an extra pair of cylinders; the torque is similar with the same displacement.
All the V10 has allowed the engine to do is to make the pistons smaller. This has helped the engine reliably rev higher, thusly the 8500 RPM. That extra ~2000 rpm is what is producing the extra 100 HP.
__________________
2011 X5 M-Sport 3.5i

2010 Dodge Ram Hemi Sport

2010 GSX-R 750

2003 C5 Z06
LS7 427CI w/ECS Novi 2000 : Caravaggio Widebody and Full Leather & Alcantra Interior
903rwhp/815rwtq : 10.3@152mph

Last edited by tlaselva; 03-16-2004 at 04:07 AM.
tlaselva is offline   Reply With Quote
Old 03-16-2004, 04:02 AM   #19
SickFinga
Moderator
 
SickFinga's Avatar
 
Join Date: Jan 2002
Location: Location:
Posts: 16,441
Quote:
Originally posted by BMW_7
Umm... Dodge Viper RT-10??...

I'm not very impressed. I think an 8k redline is impossible as well. I don't think an engine can be very reliable, unless they seriosuly did tons of research. But I am still doubtful..

0-60 improvement of 0.5 s? I'd stick to the E39 then.
Mofo, Viper is 8.4l engine. Dispalcement is the biggest factor in torque.

0.5sec is official acceleration time.
e39 did what they claim e60 would do. all car manufactures lower their accel. times.
SickFinga is online now   Reply With Quote
Old 03-16-2004, 04:22 AM   #20
BMW_7
Econobimmer Racing
 
BMW_7's Avatar
 
Join Date: Dec 2002
Location: Kiev
Posts: 8,362
Send a message via AIM to BMW_7 Send a message via MSN to BMW_7
Quote:
Originally posted by tlaselva
Did you realize that the RT-10 is 8.3 L, not 5L?
Easy to make 500 lbs. torque with that displacement.

8K readline is not out of BMW's tech pool.
They have done it successfully with the M3's S54, and have been proven reliabe, other than some manuf. problems in a few build months early in it's production.
D'oh....
__________________
Vitaliy



Helprace, a helpdesk & community platform
BMW_7 is offline   Reply With Quote
Old 03-16-2004, 04:40 AM   #21
tifosi
5th Gear Member
 
Join Date: Aug 2003
Location: toronto
Posts: 1,008
Send a message via MSN to tifosi Send a message via Skype™ to tifosi
Quote:
Originally posted by T_DOT_BIMMER
either u stole this from E46toronto, or someone from over there stole it from here
he stole it from me actually........my precious bendwith...

just kidding. i don't mind it at all, it actually good because more people can share the story of the upcoming fabulous M5

but dude, at least you gotta come up with your own title!

Last edited by tifosi; 03-16-2004 at 04:43 AM.
tifosi is offline   Reply With Quote
Old 03-16-2004, 04:56 AM   #22
e46it
5th Gear Member
 
e46it's Avatar
 
Join Date: Oct 2002
Location: Richmond Hill
Posts: 1,059
i think they will start that when the cars they sell hit 20000 rpm just like their F1 cars....

Quote:
Originally posted by thinair
BMW is known for making powerful yet high strung engines are they not? It's not like 368ft-lbs is little torque. They're a healthy median between a Honda (HP>TQ) and a Ford (TQ>HP) when it comes to power and torque.

How many 5L motors come from the factory with more torque?

And the indepandant throttles make a world of a difference. Sure they kill a little torque, but the throttle response is huge. There is barely a delay between stepping on the gas and the engine revving. I kind of wish they had managed to make this engine work with the throttleless Valvetronic system. Appearently the throttle response of that is supposed to be crazy. I guess they wanted to keep some mechanicals in the engine to up the reliability.

Also, 8500rpm is nuts for a street motor of that size, it must be a super smooth running engine.
__________________

2004 BMW 325i Touring SGM
2005 Suzuki GSXR 1000|1992 JDM Civic SiR RHD Black
2000 BMW M5 Avus Blue (GONE)
2002 BMW 325i Touring TVM (GONE)
1994 BMW 325i Saloon Black (GONE)
e46it is online now   Reply With Quote
Old 03-16-2004, 08:40 PM   #23
Kurt Schneller
3rd Gear Member
 
Join Date: Nov 2002
Location: South Africa
Posts: 392
F1 engines today are 3.0l not 3.5l
__________________


I'l make a better one later...
Kurt Schneller is offline   Reply With Quote
Old 03-16-2004, 09:33 PM   #24
BigD
the misanthropist
 
BigD's Avatar
 
Join Date: May 2002
Location: a house
Posts: 6,159
Quote:
Originally posted by Kurt Schneller
F1 engines today are 3.0l not 3.5l
{Arnold Schwarzenegger voice} You must be very proud of yourself!

j/k
__________________
BigD is offline   Reply With Quote
Reply

Thread Tools
Display Modes Rate This Thread
Rate This Thread:

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On

Forum Jump


All times are GMT -4. The time now is 06:30 AM.


Powered by vBulletin® Version 3.8.1
Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.