This is where a 'RIPPER SHIFTER' will help the throw length.
-------------------------------------------
Steven St.Laurent
Test Engineer
Test Branch, GSD, MCTSSA
MARCORSYSCOM, USMC
760-725-2506 (DSN 365-2506)
Work:mailto:stlaurents@mctssa.usmc.mil
Home:mailto:saint1958@home.com
-----Original Message-----
From: Barret, Matt [mailto:MATT_BARRET@earthtech.com]
Sent: Thursday, September 07, 2000 6:15 AM
To: 'dakota-truck@buffnet.net'
Subject: DML: RE: Launching a 5 speed...
Jeff, You've got the right idea, about 1000-1300 rpm launch is the best your
gonna do with the radials. Short times should be around 2.08 to 2.2 range. I
usually run about 30 psi in the Firestones. Best bang for the buck will be
slicks. I went with the Hoosier slicks, 28"X 11.5" mounted on factory 15"X8"
wheels. You can launch at 3000-3500 and short times are in the low 1.9's,
when the track conditions are good! You've got 3.55 gears, but your tire is
an inch shorter(27") than stock (28") so you really have a 3.68 gear. Is
this an open rear, or LSD???
Your truck is capable of running around 15.0 +- .1 and speed around 91 or
92 (w/radials)
I have around 100 runs on mine right now and the best shift rpm seems to be
5500 rpms (by the factory tach). 3rd gear is the most difficult shift, what
I normally do is practice shifting in the staging lanes, with the engine
turned OFF, go through the gears as much as possible, do not look down, get
a good feel for were 3rd is looking straight ahead, this helps me alot, I've
missed 3rd twice in 100 runs! The smell of burning clutch is still lingering
I think! hee hee :)
Don't worry about cutting a good light for now, just concentrate on staging
the truck, getting the truck completely stopped at the starting line,
holding the engine at the desired rpm, and mastering the 5 spd shifting.
believe me, You CAN be consistent with a 5spd! Just like anything else, it
takes practice.
__________________________________
Matt--VA--Y2K-HEMI `00 Sport Plus RC
4.7L 5spd. 9 1/4 3.92 LSD, Homemade air intake,
T-Bars, Spring clamps, Mobil 1,Hoosiers
3" Flowmaster cat-back, Bosch +4's
14.48 @ 92.40 MPH
209.9 RWHP/285 RWTQ
ŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻ
-----Original Message-----
<From: IXLR8RT@aol.com [mailto:IXLR8RT@aol.com]
<Sent: Thursday, September 07, 2000 1:14 AM
<To: dakota-truck@buffnet.net
<Subject: DML: Launching a 5 speed...
<I'm taking my Dakota to the strip this Saturday, they are having a "test
and
<tune day".
<Can anyone that has run their 5 speed Dakota's at the dragstrip give me
some
<pointers?
<I'm used to having traction and launching at 3000-3500 rpm, and I know that
<won't work with no weight on the rear, and street tires.
<I tried a couple of times at our local street race area.
<Held rpm at 1250-1300, let out clutch a little quicker than normal, then
<nailed it...
<spun thru first, second, and a second or so into third gear. Then I tried
<everything the same, but started in second gear...same results.
<Am I destined to spend money on slicks, or DOT race tires?
<Thanks in advance,
<Jeff C.
"There's no such thing as too much cam, just not enough motor."
--David Freiburger
__________________________________________________________
Jeff Capuzzi
00' Dakota Sport RC 2wd, IB with 4.7 V8, 5 speed, and 3.55 gears.
Decal free, 255/60-15 Firestone's, loud pipes, and more on the way.
__________________________________________________________
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