Bonneville GXP/ Northstar Powered Cars Discuss your Bonneville GXP and/or any other Northstar powered Olds or Cadillac... Including the 3.5L Twin Cam V6 (Short Star ) 4.0L and 4.6L Northstar V8's. Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

First GXP Dyno Numbers

Thread Tools
 
Search this Thread
 
Old 07-11-2004, 04:24 PM
  #21  
Junior Member
Posts like a Ricer Type-R
 
marlon's Avatar
 
Join Date: Jul 2004
Location: Edison, New Jersey
Posts: 12
Likes: 0
Received 0 Likes on 0 Posts
marlon is on a distinguished road
Default First GXP Dyno Numbers

I stand corrected.
Peace
marlon is offline  
Old 07-11-2004, 04:32 PM
  #22  
Senior Member
True Car Nut
 
Rogue's Avatar
 
Join Date: Jul 2003
Location: Westerville, Ohio 2000 Black SSEi
Posts: 6,127
Likes: 0
Received 1 Like on 1 Post
Rogue is on a distinguished road
Default Re: First GXP Dyno Numbers

Originally Posted by marlon
I stand corrected.
Peace
Thanks for pointing out possible problems its always possible something gets overlooked.
Rogue is offline  
Old 07-11-2004, 04:44 PM
  #23  
Senior Member
Certified GM nut
 
1992 trofeo's Avatar
 
Join Date: Jul 2003
Location: Ab,ca
Posts: 1,963
Likes: 0
Received 0 Likes on 0 Posts
1992 trofeo is on a distinguished road
Default

Did you "Tune" the PCM by doing a few 0-60 runs prior to the run?
You gotta take it outta "granny mode"
1992 trofeo is offline  
Old 07-11-2004, 07:43 PM
  #24  
Senior Member
Posts like a Northstar
 
mikey's Avatar
 
Join Date: Nov 2003
Posts: 560
Likes: 0
Received 0 Likes on 0 Posts
mikey is on a distinguished road
Default

with 24% loss your closer to 265ish hp. i say let it break in, SLS'* with miles on them dyno higher than that

at the same time, with that engine and that gear ratio, you should be able to lay some smoke, have you looked into the computer yet? wonder if its as bad as the new 3.8sc computer in the 2004 gtp'*...
mikey is offline  
Old 07-11-2004, 07:54 PM
  #25  
Junior Member
 
2000SilverBullet's Avatar
 
Join Date: Jun 2002
Posts: 0
Likes: 0
Received 0 Likes on 0 Posts
2000SilverBullet is on a distinguished road
Default

with 24% loss your closer to 265ish hp. i say let it break in, SLS'* with miles on them dyno higher than that

at the same time, with that engine and that gear ratio, you should be able to lay some smoke, have you looked into the computer yet? wonder if its as bad as the new 3.8sc computer in the 2004 gtp'*...
Hate to say it but for that and a few more reasons, I will not buy another GM product.
Hope you're listening Mr. Goodwrench.
2000SilverBullet is offline  
Old 07-16-2004, 07:02 PM
  #26  
Senior Member
True Car Nut
 
Merlin 91/97's Avatar
 
Join Date: Dec 2002
Location: Halifax, Canada 91SSE / 97SSEi
Posts: 5,857
Likes: 0
Received 0 Likes on 0 Posts
Merlin 91/97 is on a distinguished road
Default

Originally Posted by BonneMeMN
No replacement for displacement
Amen...... but a little forced induction can go a long way...
Merlin 91/97 is offline  
Old 07-17-2004, 03:22 PM
  #27  
Senior Member
Certified GM nut
 
BonneAlien's Avatar
 
Join Date: Sep 2002
Posts: 2,204
Likes: 0
Received 0 Likes on 0 Posts
BonneAlien is on a distinguished road
Default

i'd take the displacement any day.. the 3.8 exhaust is raspy .. i want growl!
BonneAlien is offline  
Old 07-17-2004, 06:18 PM
  #28  
Senior Member
Posts like a Camaro
 
mkaake's Avatar
 
Join Date: Jan 2004
Posts: 1,166
Likes: 0
Received 1 Like on 1 Post
mkaake is on a distinguished road
Default

Originally Posted by Rogue
We had forced air directly to the intake and a larger high CFM fan to take away engine heat. It wasnt a 7,000 fan pumping 75 mph winds, but it was adequate. I would suspect more the calculations the dyno used on ambient temp and moisture to calculate HP before I did wind speed although Scott says the GXP feels slow on the street and he can't get his tires to spin even standing on it from a dig.

The autotap log we did on his car showed him getting knock, im some cases quite a bit. He may have some sort of restriction in the engine due to an engine built on a Monday or Friday (not quite right) or it may have just been the heat of the day (cars were regestering about 90F) but somethign was off on it.

those mondays and fridays sure can be killers
mkaake is offline  
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
OLBlueEyesBonne
Performance, Brainstorming & Tuning
14
05-13-2008 10:14 AM
DJ SHO
General GM Chat
13
05-07-2005 12:15 AM
DJ SHO
General GM Chat
9
10-09-2004 12:08 AM
dbtk2
Performance, Brainstorming & Tuning
45
10-01-2003 05:03 PM
turtle_sse
Performance, Brainstorming & Tuning
5
12-23-2002 08:37 PM



Quick Reply: First GXP Dyno Numbers



All times are GMT -4. The time now is 09:04 AM.