Forced Induction Discussion of turbos , superchargers , and nitrous upgrades on the G35

Who needs a powerband? G35 Beast

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  #16  
Old 05-07-2010, 10:55 PM
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Originally Posted by silver g
If you are referring to the E92 M3...well that thing has no torque...thw whopping 250WTQ @ 1500 RPM is nothing to brag about.
Well I would say it is, the G makes less than 100 ft/lbs at that RPM.
 
  #17  
Old 05-08-2010, 07:27 AM
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I don't think this car was built to go to the corner store to pick up tampons for your old lady.


Originally Posted by Texasscout
Hope this is not a dumb question, but why does it not make any real power untill 5500 rpm? The M3 has full TQK at 1500 RPM.

The huge turbos take awhile to spool up and with the lower compression it likely makes a little less power than a stock G until he gets into boost.

Originally Posted by SDGeneralCounsel
Yeah, I have the same concern with this setup. Isn't this car being setup as a road course car? If so, I would assume that more usable power down low would be more beneficial than making all of its power after 6000 rpm. Please correct me if I'm referring to the wrong car here.
Road coarse car LOL. Drag/highway monster is what his car is all about he knew with the huge turbos he would have major lag.
 

Last edited by Sylvan lake V35; 05-08-2010 at 07:36 AM.
  #18  
Old 05-08-2010, 08:13 AM
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I can't wait to check it out at Z-days congrats Rich. Also SilverG he is not on stock clutch. I know he had a spec twin disk but not 100% if that is what he is using now.
 
  #19  
Old 05-08-2010, 09:16 AM
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Ha stock clutch...um no!!!!

I always love the lag comments....Supra's are laggy as Hell pretty much all the time, yet they are just about the ultimate roll-on racer.

What was the boost at for the 898 run?

Tom
 
  #20  
Old 05-08-2010, 09:44 AM
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Originally Posted by thom000001
Ha stock clutch...um no!!!!

I always love the lag comments....Supra's are laggy as Hell pretty much all the time, yet they are just about the ultimate roll-on racer.

What was the boost at for the 898 run?

Tom
38psi Tom..
 
  #21  
Old 05-08-2010, 10:03 AM
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The lag is nothing a squirt of nitrous couldn't fix, but definitely a dyno queen as it is now. Nice numbers.
 
  #22  
Old 05-08-2010, 10:06 AM
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Queen of dyno it is...... Still havent seen pics of Rich Harper's/st8 g..
 
  #23  
Old 05-08-2010, 10:24 AM
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Really?

Kinda goes to show ya what crazy headflow and intake volume flow allow.....at same boost SP made 1248rwhp and were able to rev much higher(mustang dyno, and I don't care what dyno-to-dyno comparison is done, thats a big diff at same boost).

Now that someone really has crazy flowing turbos on a cosworth, I am sold that cosworth isn't worth it.

Tom

Originally Posted by Jay'Z
38psi Tom..
 
  #24  
Old 05-08-2010, 02:00 PM
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Originally Posted by thom000001
Really?

Kinda goes to show ya what crazy headflow and intake volume flow allow.....at same boost SP made 1248rwhp and were able to rev much higher(mustang dyno, and I don't care what dyno-to-dyno comparison is done, thats a big diff at same boost).

Now that someone really has crazy flowing turbos on a cosworth, I am sold that cosworth isn't worth it.

Tom
Yessir,

I get my info from "the man" himself ...... I agree on cosworth so I dont get it, hopefully (I still change my plugs in 45 min with OEM plenum) .. Some have shown cosworth gains of 40whp before and after though.. With FI.......
 
  #25  
Old 05-08-2010, 02:03 PM
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Well, if its the basic TT kits we mainly see on VQ's then its probably the choked down side of the exhaust wheel/compressor causing the exhaust mani pressure vs the intake pressure causing the gains seen when relieving some of the intake mani pressure when going to cosworth.

That being said, if you are running turbos that the exhaust side isn't the issue, we are right back to the intake being the bottleneck again.

GB on CJM intakes????? lol

Tom

Originally Posted by Jay'Z
Yessir,

I get my info from "the man" himself ...... I agree on cosworth so I dont get it .. Some have shown cosworth gains of 40whp before and after though.. With FI.......
 
  #26  
Old 05-08-2010, 02:52 PM
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+1 on GB wholesale
 
  #27  
Old 05-09-2010, 03:16 PM
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Originally Posted by Texasscout
Well I would say it is, the G makes less than 100 ft/lbs at that RPM.
Have you ever driven one? The E92 M3 is a torquelss wonder...lots of fun up top though. I will say a stock G packs more punch down low. A 335i with bolt ons and tune would be waaaay more fun and cost a lot less than the M3. My .02.

*edit* the E92 M3 makes peak torque (300ft-lb) at 3900 RPM (at the flywheel)... at 1500 RPM I doubt it is even making close to 250WTQ...it MAYBE makes that much to the wheels at 3900 RPM. Also Its only .2 seconds faster 0-60 than the E46 M3...thats not a lot of difference.
 

Last edited by silver g; 05-09-2010 at 03:24 PM.
  #28  
Old 05-09-2010, 03:21 PM
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Sorry, that's the one I was thinking of the 335i the one with the twin turbos. 300ft/lbs from damn near idle to full rpm.
 
  #29  
Old 05-09-2010, 03:28 PM
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Originally Posted by Texasscout
Sorry, that's the one I was thinking of the 335i the one with the twin turbos. 300ft/lbs from damn near idle to full rpm.
Hahahaha no worries dude...you would be correct in that case. 335i's are trq monsters!
 
  #30  
Old 05-20-2010, 02:23 PM
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the powerband is no different than Hal's street car, the intense widebody with the 76s, or any other supra making similar numbers. Thats just how the powerband looks like on small displacement motors with big turbos.

I have a 3000 rpm powerband. same as typical greddy/gtm guys. Mines just 5-8, compared to 3-6000.

Hals street car went 9.34 with 100 less HP. The G is alot heavier, but a potential low 10sec car for sure

Originally Posted by djamps
The lag is nothing a squirt of nitrous couldn't fix, but definitely a dyno queen as it is now. Nice numbers.
 


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