I wouldn't...The Firebird also makes much more power than the 4.7 (let alone
the 5.2 and 5.9) and their gearing is mnuch different on the 6-speeds as
well from 1-2 2-3 3-4 4-5 5-6.
- Bernd
----- Original Message -----
From: "Michael Kuriger" <michael@isuzu-mods.com>
To: <dakota-truck@buffnet.net>
Sent: Thursday, October 19, 2000 6:02 PM
Subject: Re: DML: gear ratios & acceleration
> Would 3.21's work on a 4.7 durango? My friend has a 96 formula firebird
with 3.2x
> gears and he gets 27 MPG on the freeway with his 325 HP 5.7 liter engine.
His 6th
> gear is a .5 ratio and at 140 MPH his tack is at 3400 RPM's.
>
> -=Mike
>
> Tim J Koth wrote:
>
> > I may have missed an earlier email about this or something, but it he's
running
> > 3.21's right now, is this a 4 cylinder? If so he's got completely
different
> > gear ratios for his tranny than the 6's and 8's. If he goes slapping
3.92 gears
> > in his rear he may end up maxed out at 61 mph on the highway and first
gear
> > will be all but useless. Just something to think about..... Obviously
a
> > reputable gear vendor will be ale to help him there when he calls to buy
his
> > gear set.
> >
> > ---- previous posts ---
> >
> > Date: Thu, 19 Oct 2000 10:02:40 US/Central
> > From: bernd@texas.net
> > Subject: Re: DML: gear ratios & acceleration
> >
> > Yes.
> >
> > My buddies (sold now) '98 Sport 5.2L with 3.55's and mine with 4.10's.
I took
> > him out of the hole every single time with my V6. ;)
> >
> > If you really want to run some decent "All Around" gears, the 3.90:1
works very
> > well for street/strip and with minimal (if any) loss in mileage.
> >
> > - - Bernd
> >
> > > This may be a dumb question because the answer is probably
> > > common sense, but - has anyone ever done a head-to-head
> > > comparison of two dakotas, identical except for the two trucks
> > > having different gear ratios? I am just curious as to how
> > > much of a disadvantage I have with the 3.21 gears. I'd like
> > > to know what kind of difference 3.55 gears or better would
> > > do for my off-the-line potency.
> > >
> > > thanks,
> > > Kevin D.
> > >
>
> --
> -=Mike Kuriger
> 1991 Isuzu Impulse RS 1.8
> 2000 Dodge Durango SLT 4x4 4.7
> http://www.isuzu-mods.com
> http://www.twistedbits.net/WWWProfile/dakota/NgFQdD9vkNHNg
>
>
>
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