have a question for all you M6 guys. What rpm does the lt1 stop making power? I dont useually shift out until about 5900 or 6000, Am i goin to far?? I have herd that they stop around 52-5300.
Thanks sean

 

You got it, power starts dropping off around 5200-5300. Top end is definitely where the LT1 does not shine. IMO you are shifting a tad too high. I shift b/w 5600 and 5800. 6000rpm+ you are close to experiencing a little valve float. Back when I first got my car last year I hit the rev limiter a couple of times and a rocker worked loose on me. Just my experience and my $.02.

 

I shift at 6500

 

Your bone stock? Then yes, i would shift around 5700. If you have headers and tuning then i would say 59-6000 is good. There is a basically stock dyno here so you can draw your own conclusions

-brent

 

Hey Brent ,I love that quote in your sig.Thats a classic.

 

even in my auto i can feel a loss of power while its in the orange zone, id prefer if my auto shifted ealier

 

It was, hahah. He wasn't your typical mustang driver, he even complimented me on my exhaust.

 

My car is not bone stock, i have shorty headers , hypertech and flowmaster 3 inch catback.should i still shift eariler?

 

Its hard to say without having your car Dyno'd. You want to shift so that you are in good power in the next gear while not losing too much from going too high. Once you get a Dyno sheet, it will be much easier to tell,

 

hey sean I would say 5500-5700 should be a good range for your upshift too w/ out losin much

 

In about a year or so we'll be calling you raGGedLT1