High Speed Issues - Governed Too Low?
10-02-2009, 01:27 AM
#11
5th Gear Member
Join Date: May 2007
Location: Central Texas
Posts: 2,388
Sounds like the speed limiter is set in the tune. Hell I can easily do over 120 in my v6, or so I suspect 
No, really, the last time I had it dynoed, the vehicle speed reading from the car's computer showed 145 at the top end of 4th gear.
Check the tune.
No, really, the last time I had it dynoed, the vehicle speed reading from the car's computer showed 145 at the top end of 4th gear. Check the tune.
10-02-2009, 08:28 AM
#12
4th Gear Member
Join Date: Jun 2008
Location: MA
Posts: 1,387
When I had stock (3.55) gears and just an intake and tune I was able to hit ~140 and it came pretty quick. Once I shifted out of 4th I let off because I was running out of road and I'm sure 5th accelerates pretty slow.
10-02-2009, 09:19 AM
#13
We've had my stock 06 GT (auto) up to 130+ and still felt like it had a lot of room to go... Like Nuke, I/we've never gone past that. For us it was simply because a. we ran out of road once, and b. it gets a little too floaty for our likes. Think I'd call Brenspeed just to be sure, and possibly give it another try just to see if it was fluke.
10-05-2009, 04:06 AM
#16
Join Date: Apr 2009
Location: Ohio
Posts: 19
I have a bone stock 2007 V6, and it easily hit 105. Not that I encourage such activities...
My governor should have me limited at 113. The stock V8 is limited at 143: see http://www.modernracer.com/fordmustanggt2005.html
(for the record, I did get a ticket that same day, but not for a speed anywhere near 105)
If only my city had a race track, I would speed legally
FYI, some small airports allow proper car races to be done on their runways. It is an extra way they can raise money sometimes. You may be able to get permission to test your cars speed, but it may be a challenge, especially with the extra security measures around airports these days.
My governor should have me limited at 113. The stock V8 is limited at 143: see http://www.modernracer.com/fordmustanggt2005.html
(for the record, I did get a ticket that same day, but not for a speed anywhere near 105)
If only my city had a race track, I would speed legally
FYI, some small airports allow proper car races to be done on their runways. It is an extra way they can raise money sometimes. You may be able to get permission to test your cars speed, but it may be a challenge, especially with the extra security measures around airports these days.
10-05-2009, 06:26 PM
#17
Join Date: Apr 2009
Location: TX
Posts: 18
Tune
10-07-2009, 09:48 PM
#19
4th Gear Member
Join Date: Oct 2007
Location: Kaiserslautern, Germany
Posts: 1,418
Its something with the tune... when in Germany on the Autobahn with 3.31 gears atleast once a week I brought it up to 149 with the stock tune... it was GPS verified... Car hits the governor at 149-150 in fourth at redline or a little past... 5th gear will hold 149 so the engine has enough power to push it to the limit... I condone driving that fast in Germany
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