TonyC
I guess the R/T wheels are allot heavier.
The track i went to was Lebanon Valley Dragway in Lebanon NY. The wind was
blowing directly up the track, the flags where straight out all night. Not
to mention it was real humid,
I guess i am trying to make excuses for my poor performance.
Thanks for your input
<bernd@texas.net> wrote in message
news:200105311432.f4VEWiR11852@mw3.texas.net...
>
> (1) Yes, it will change the effective ratio - Depending on the tire size,
it
> can change it as much as +/- 1.0
> (2)That would also slow you down as well
>
> If you want to see the actual change in gearing with the different
rims/tires
> combo: http://www.speedtweaks.net/Automotive_Calculations.xls
>
> - Bernd
>
> > Hi all, 2k QC 4.7 5spd. 3.55. LSD
> > I was a little disappointed last night at the drag strip.
> > My best pass was a 15.89 at 84 mph.
> > The reason i am not happy is when my truck was stock i ran a 15.85@ 84
mph.
> > Now i have a Jet stage 2, intense performance stage 2, bosch 4417 +4,
180 t
> > stat and a Gibson single side swept.
> > What gives?
> > I think 2 things could be a factor.
> > 1. I put R/T wheels and tires. They are 1 inch taller that my stock
tires,
> > that would change the gear ratio?
> > 2. There was a pretty good head wind last night plus it was pretty
damp.
> >
> > What do you all think?
> >
> >
> >
>
>
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