Teeth Neil; ring first, then pinion.  That's your "rear end ratio".   :)

On Jan 19, 2008 7:49 PM, neil N <musomuso@gmail.com> wrote:

> Thanks Shawn.
>
> I thought 5th would reduce RPM's significantly. Obviously not. :)
>
> I'll check out your website and when I have a minute, I'll study your
> findings. Thanks for providing them.
>
> Yah I find the reverse gear ratio on my air cooled could stand to be
> lower.
>
> But in regards to the figures in Bentley......
>
> "Final drive 38:7 = 5.428"
>
> What do the first two numbers mean?
>
> Sorry for such an elementary question. :^)
>
> Neil.
>
> On 1/19/08, Shawn Wright <vwdiesels@gmail.com> wrote:
> > Yup, the DX 5 speed is very close in top end to the ACW 4 speed - that's
> > what I pulled out of my '88. Both give about 3300rpm at 100km/h - 62mph
> or
> > so with 195/75R14 tires IIRC. The gear ratio chart is on my website (see
> my
> > sig). It's an Excel file. With a 1.9TD, or a non-Westy, I'd be tempted
> to go a
> > but taller gearing, but with a 1.6TD, the DX is just about perfect. The
> low 1st
> > gear is great for tough starts on steep/rough terrain; I only wish
> reverse were
> > the same low ratio. The 5sp shifter takes some getting used to though,
> and
> > swapping into an '82 van is not trivial. It is simple on '83+ vans
> though,
> > provided you have all the pieces.
> >
> > On 19 Jan 2008 at 21:03, Jim Felder <jim.felder@GMAIL.COM> wrote:
> >
> > > Neil;
> > > Maybe Shawn Wright will chime in. He has done a chart calculating the
> output of
> > > various vanagon transmission series. I seem to remember that the
> 5-speed is good
> > > for nearly ten more mph than the 4-speed, but that maybe optimistic.
> Anyway,
> > > it's more as I remember.
> > >
> > > Jim
> > >
> > >
> > > On Jan 19, 2008 3:53 PM, neil N <musomuso@gmail.com> wrote:
> > >
> > > > Hi all.
> > > >
> > > > A look at Bentley and search of archives still has me scratching my
> > > > head somewhat.
> > > >
> > > > P34.1b shows figures such as (for the DX 5 sp w/1.6 NA diesel):
> > > >
> > > > Final drive 38:7 = 5.428
> > > >
> > > > Does this mean 38 teeth to 7 teeth = a gear ratio of 5.428:1 ?
> > > >
> > > > My questions spawn from posting of Jim Felders' mention of the 5
> speed
> > > > tranny and 1.6 diesel.
> > > >
> > > > From what I can gather, the final drive combined with the 5th gear
> > > > will reduce RPM's of the engine than an ACW (P 34.1a)
> > > >
> > > > True?
> > > >
> > > > TIA,
> > > >
> > > > Neil.
> > > >
> > > >
> > > > --
> > > > Neil Nicholson. 1981 Air Cooled Westfalia - "Jaco"
> > > > http://web.mac.com/tubaneil
> > > >
> > > > Engine swap beginings: http://tubaneil.googlepages.com/
> > > >
> >
> >
> > Shawn Wright
> > http://members.shaw.ca/vwdiesels
> > '88 Westy 1.6TD 5 speed
> > '85 Jetta Diesel 1.6NA
> >
>
>
> --
> Neil Nicholson. 1981 Air Cooled Westfalia - "Jaco"
> http://web.mac.com/tubaneil
>
> Engine swap beginings: http://tubaneil.googlepages.com/
>

--
Jake
1984 Vanagon GL
1986 Westy Weekender "Dixie"
Crescent Beach, BC
www.crescentbeachguitar.com
http://subyjake.googlepages.com/