Re: A question of curriosity

From: Wayne (blowndakota@yahoo.com)
Date: Mon Dec 30 2002 - 01:16:54 EST


That is correct and a shorter tire also weighs less.

--- Gary Hedlin <ghedlin@theramp.net> wrote:
>
> Damn, thank you for that info. A wheel swap sounds
> like the logical thing
> to do. I can also look at different tire sizes at
> the same time. My
> p215-75-15's have a 27 inch overall height. If I
> swap rims, I can also go
> with a lower profile tire, get the height down to
> 25-26 inches, and also
> increase my rear end ratio. am I correct?
>
> Gary Hedlin
>
>
>
> in article
> 20021229045231.31750.qmail@web21309.mail.yahoo.com,
> Wayne at
> blowndakota@yahoo.com wrote on 12/28/02 10:52 PM:
>
> >
> > Gary,
> >
> > Weight reduction is about the best modification
> you
> > can make. In general, if you add more HP, it will
> > only make the truck accelerate faster. But if you
> > make it lighter, you improve acceleration,
> braking,
> > handling and MPG. The rule of thumb of each 100
> > pounds giving you a tenth (it also equals about 10
> HP
> > and 1 MPH) is pretty much right on for vehicles
> > weighing between 3000 and 4000 pounds. Over 4000
> > pounds, removing 100 pounds will get you less then
> a
> > tenth, under 3000 will actually net you more. As
> > mentioned in other posts, lighter wheels are an
> easy
> > (but sometimes expensive) way to do this, but
> wheels
> > are also rotational weight and are good for a
> larger
> > reduction in ET. The general rule of thumb for
> > rotational weight is that for each pound removed
> that
> > spins at crankshaft speed is the same as removing
> 10
> > pounds from elsewhere on the vehicle. Where as
> each
> > pound removed that spins at wheel speed is worth
> four
> > pounds. Wheels are also considered unsprung
> weight
> > and removing unsprung weight also improves
> handling,
> > braking and acceleration more than just shedding
> > pounds elsewhere. Good luck with getting the
> weight
> > down, please let us know if you find other areas
> to
> > remove some pounds. BTW, my 98 regular cab, 5.2,
> > speed is 4020 with 1/2 tank and me (190 lbs) in
> it. I
> > have a fiberglass roll pan and no spare, I would
> love
> > to see 3800 pounds!
> >
> > --- Gary Hedlin <ghedlin@theramp.net> wrote:
> >>
> >> Well, I was told the general rule is for every
> >> 100lbs you can drop, will
> >> drop a tenth off your ET. My personal best is a
> >> 17.6 as is (17.3 with RT
> >> rims). I was planning on removing the hard
> tonneau,
> >> spare tire, tailgate,
> >> and replace the stock rear bumper with a roll
> pan.
> >> I was also considering
> >> yanking the passenger seat and subs. I'm
> estimating
> >> that should shave
> >> 200-300 lbs. I guess i'm looking for some solid
> >> numbers to base my
> >> predictions.
> >>
> >> Gary Hedlin
> >>
> >>
> >>
> >>
> >> in article aujbgk$jqb$1@bent.twistedbits.net,
> andy
> >> levy at
> >> andylevy@yahoo.com wrote on 12/27/02 11:06 PM:
> >>
> >>>
> >>> You're in for a battle to shave off 600 pounds.
> >> As I recall, the front
> >>> bumper assembly is light enough that one person
> >> can throw it around
> >>> pretty easily. Rear bumper would be lighter
> >> (since it's smaller).
> >>> Losing the tailgate will get you another 75
> pounds
> >> I'd guess (haven't
> >>> lifted one myself aside from opening/closing it
> -
> >> plenty of people
> >>> install/remove them singlehandedly). Lose the
> >> spare, run with 1/4 tank
> >>> of gas, there's lots of little things you can do
> >> but 600 pounds is a
> >>> <b>lot</b> to drop.
> >>>
> >>> I know Bob Tom has done some pretty drastic
> weight
> >> saving attempts
> >>> (draining the washer fluid resevior), hopefully
> >> he's got some tricks up
> >>> his sleeve.
> >>>
> >>> Gary Hedlin wrote:
> >>>> I'm trying to shave off a few pounds off my
> truck
> >> for next race season, and
> >>>> I was wondering how much a stock bumper, and
> >> tailgate weighs. Right now the
> >>>> truck weighs in at 3800 lbs without driver,
> with
> >> my tonneau on, and an 1/2
> >>>> full tank. I'm shooting for a weigh in weight
> of
> >> 3200 lbs. Anyone have any
> >>>> ideas of how to do this?
> >>>>
> >>>> Gary Hedlin
> >>>
> >>
> >
> >
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