Just an FYI
I recently had to put in a weddle 1.18 third into my SVX syncro as I sheered
the sucker clean on an upshift from second.
Tranny had been rebuilt about 15k ago. My 4th was already a Weddle .77.

Nothing like a big bang and shifting into 3rd and going no where to get your
attention fast.

-steve

On 8/21/06, Bostig Eng <syncrolist@bostig.com> wrote:
>
> Hey Malcolm,
>
> Better than just the rpms and peaks, have a look at the chassis dyno we
> have
> posted in the forums on the Support & Development site (you have to
> register
> to see the images in the forums, or email me off list)
>
> http://bostig.net/index.php?option=com_smf&Itemid=39&topic=21.0
>
> On your second point, this was a huge concern of ours as well. But we have
> been designing our supercharger and turbo kits to not exceed the
> limitations
> of the existing unmodified powertrain. Few people want the extra expense
> of
> building their tranny at the same time as doing a conversion and then
> adding
> a power adder.  The best you can do is take the max torque rating of the
> tranny, multiply by .80 and then shoot to "fill in" as much of the area
> under the line across the entire rpm band.
>
> Check out the dyno sheets for the stock and supercharged setups, and you
> can
> see what I mean about "filling in" under the line with a wide fat torque
> curve.
>
> Yeah I understand your hesitation about being an "early patient" but the
> SVX
> and TDI guys have been running similar torque numbers for some time
> without
> trouble on unmodded transmissions.
>
> Jim
>
>
> -----Original Message-----
> From: Malcolm Stebbins [mailto:mwstebbins@YAHOO.COM]
> Sent: Monday, August 21, 2006 2:20 PM
> To: vanagon@GERRY.VANAGON.COM
> Subject: Re: Supercharged Westy Vanagon
>
> >   Below is an update on the Zetec kit with the supercharger upgrade:
>
> 1) On  your Bostig web page please put the RPMs for the 148 Horsepower and
> the 141 ft/lb torque.
> Is this at 2,000 RPMs or 4,000 RPMs ????   I'd like to know.
>
> 2)  I sure hope that the tranny can handle this power, I'm following what
> you guys are doing, but
> I'm to chicken to let my van be an early patient.  m
>
>
>
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