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Old 05-17-2012, 06:49 PM   #15 (permalink)
SCNTN
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Join Date: May 2012
Location: Munford, TN
Posts: 87

SC1 - '02 Saturn SC1
Team Saturn
90 day: 41.8 mpg (US)

DaGnoma - '02 GMC Sonoma SL
Pickups
90 day: 25.03 mpg (US)
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Quote:
Originally Posted by smokey442 View Post
There is an upper limit due to speed rating of original equipment of tires. OBII vehicles it stops fuel via injectors or pump. Later drive by wire throttle they simply throttle back. If you have a GM vehicle that has on star they can shut it off even if you don't subscribe to it.
No I meant an upper limit at what speed you can start the engine - that seems to be my trouble. I know the fuel cutoff kicks in on my truck at 99mph, but only in 5th gear - I can push it a bit farther in 4th.
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