GT S197 General Discussion This section is for technical discussions pertaining specifically to the V8 variation of the 2005 and newer Ford Mustang.

Comp Thumprs Installed

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Old Apr 21, 2009 | 09:18 AM
  #71  
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highline
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Originally Posted by doctorj77
. I miss the good ol days of buy a set at Meijers and getting p'oed they cost $15, for all eight.
Man that brings me back...thanks...I lived at Mason & Burkhart for some time...Now in houston, and miss Meijers!!
Old Apr 21, 2009 | 11:17 AM
  #72  
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Originally Posted by cookedrice
I got lucky that a local bullitt owner had the ***** thumprs install and it sounds awesome......when he fires it up it draws alot of attention. With the right exhaust setup, it makes our small block sound like a big block.
Yes it does, I actually have people chase me down in traffic to ask "What the F*** do you have in that thing?" LOL Plus a gain of 40RWHP isn't bad either

~Matty
Old Apr 21, 2009 | 04:54 PM
  #73  
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Originally Posted by doctorj77
I should have clarified, I already got the tune from Brenspeed prior to install. That's why its running so smoothly. And yes it was very noticable after install/tune.
Nice, I'm glad its running the way it should now. I spoke to my installer and it looks like i'll have to wait 1 more week to have my stuff installed.
Old Apr 21, 2009 | 08:13 PM
  #74  
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I had NSR Stage II Comp Cams installed by Brenspeed in mid-march. I have the same cold start idle issue. It jumps to 2000rpms and hangs there for a while. Then it drops to 850rpms. My gas mileage going there, about 225 miles, was 26mpg. On the trip back it dropped to 23mpg. The drive home was much more fun!!!
Old Apr 21, 2009 | 09:20 PM
  #75  
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doctorj77
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Originally Posted by highline
Man that brings me back...thanks...I lived at Mason & Burkhart for some time...Now in houston, and miss Meijers!!
Too funny, I live at Byron and M59. Yeah I used to like being able to buy the 4 pack of Champions, something ridiculous like $7. I remember when I changed my plugs on my Challenger once, I forgot to reconnect 4 of the cylinders. Car still ran a couple miles before I realized it, sluggish but ran.

Now a days I'm afraid to remove them on my Stang, what ever happened to simplicity?

Last edited by doctorj77; Apr 21, 2009 at 09:22 PM.
Old Apr 21, 2009 | 09:25 PM
  #76  
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doctorj77
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Originally Posted by 2007Vert
I had NSR Stage II Comp Cams installed by Brenspeed in mid-march. I have the same cold start idle issue. It jumps to 2000rpms and hangs there for a while. Then it drops to 850rpms. My gas mileage going there, about 225 miles, was 26mpg. On the trip back it dropped to 23mpg. The drive home was much more fun!!!
Work with Brent on that cold start issue. I complained on the same thing and he was able to change the idle/temp table in the tune so it only jumps to maybe 1800 but quickly comes down. Just tell him to set you up with the tune he gave me, the guy with the yellow GT and all the picky questions....
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