Just under redline(on the tach) in 3rd gear(We're talking automatics,right?).
The redline on the tach is not the engine redline. You've got about another
4-500 rpm you can play with as you up the power. Supposedly the Mopar computer
will take you up to 6200 when it's available.
Dr.Pat
----------
>From: Jason Jennings <jason@spray-tech.com>
>To: "'dakota-truck@buffnet.net'" <dakota-truck@buffnet.net>
>Subject: RE: DML: Need Help once a gain in the tire ilse
>Date: Thu, Feb 4, 1999, 1:44 PM
>
> this is one of my problems....should I be redline in 4th gear...or 3rd
> gear???? If I go above the stock dia I will be in 3rd gear, correct????
> If I go smaller in dia then it will push me into the 4 range.... What
> if I add more power and torque later on???? I was hoping to find a tire
> that will take me into the next mod, not hold me up....
>
>
>
> Jason
> 2/4/99 8:48 AM
>
>
>
>
> -----Original Message-----
> From: Patrick Delgado [SMTP:dadoctah@worldnet.att.net]
> Sent: Wednesday, February 03, 1999 1:28 PM
> To: dakota-truck@buffnet.net
> Subject: Re: DML: Need Help once a gain in the tire ilse
>
> Are you going to use the same set of tires at the track that you
> use on the
> street? If they are for track use only, you need a tire wide
> enough and sticky
> enough that when you pull out they just spin a little then grab.
> Then you need
> a tire diameter that will allow you to be just shy of redline at
> the finish
> line; the bigger the diameter, the lower your rpm's will be.
> Gearing affects
> ET more than MPH.
> Dr. Pat
> > I was hoping to use a 16 cuz I don't believe I can find a big
> enough
> > side wall for a 15???? The overall dia is 28" or so.... I
> would really
> > like to hang in the 28" maybe 29" range.... Any thoughts
> here???? I am
> > assuming if the top end at the 1/8 and 1000 marker is due to
> this 3.92
> > gear ratio. I don't want to have to force the machine into a
> certain
> > gear while hauling ass.... I am looking for consistency in
> 'er. Doing
> > the math someone sent last time. I have determined a large
> side wall on
> > a 16" rim would be a good testing point for me.... It sounds
> like a 15"
> > will push me closer to the 4.10s, and I think this may hurt my
> top end
> > at the 1/8 even more???? I am new to the whole ratio for my
> truck speed
> > how do I go really fast better et thing..... Logic would
> dictate 3.92
> > and high for this truck is a shot in the foot???? It would
> seem a 3.73
> > would be closer to optimal until I can find the hidden ponies
> under the
> > hood???? Please more input on running radials at the
> track.... What
> > setups are helping everyone to eat a few 4duhs..... I want to
> crush my
> > buddies cobra....
> >
> >
> >
> > Jason
> > 2/3/99 9:27 AM
> >
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