Date: Sat, 13 Feb 2021 14:11:38 -0500
Reply-To: KIM BRENNAN <kimbrennan@MAC.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: KIM BRENNAN <kimbrennan@MAC.COM>
Subject: Re: Search for tires
In-Reply-To: <CAFdLW6kDtC2COBjr66Gkso_orj1GZPUQtsqg2ErViUPw=SC6nQ@mail.gmail.com>
Content-Type: text/plain; charset=utf-8
A Peloquin is a limited slip differential. Not redundant. With a stock Syncro set up, if one of the wheels in the rear starts slipping, power is transferred (via the viscous coupler) to the front. Without a locker in the rear you could get stuck, if one wheel in the rear is spinning and one wheel in the front is spinning. With a locker in the rear, you’d get stuck if both rear wheels were spinning and one wheel in the front is spinning.
With a LSD, when one wheel is spinning (on which ever differential has the LSD), power is automatically transferred to the other side of the differential. Note that both wheels can still be traveling at different speeds .With a locker, on the other paw, both wheels must spin at the same speed. So, the LSD puts less stress on the system, than the locker does. Of course, with the wheels traveling at different speeds, some power is also going to get transferred to the front. So the LSD is actually helping balance where power is going, so that it goes to where it is needed (aka, wheels with traction still).
In an even better scenario, you’d also add a LSD on the front differential too (which is what I have on my Syncro Camper).
> On Feb 13, 2021, at 12:53 PM, Dan N <dn92610@GMAIL.COM> wrote:
>
> now I have a question...
>
> Is having Peloquin on a Syncro is redundant? because it already has a VC in
> the front and some have diff-lock in the rear...
>
> Thanks for educating me..
>
> On Sat, Feb 13, 2021 at 6:24 AM Dennis Haynes <d23haynes57@hotmail.com>
> wrote:
>
>> Syncros have more tolerance for larger tires than 2WD. The larger tire you
>> are using makes it possible to get more than adequate load ratings. Making
>> the transition to 16 or 17 inch wheels changes the designs of tires
>> available. You get to move from standard or truck stuff to true high
>> performance modern choices. Going to 18 inch or larger reduces choices and
>> increases cost. I throw this out there for the benefit of those looking for
>> wheel-tire upgrades. If doing the investment now why not get the most out
>> of it?
>>
>> Dennis
>>
>>
>> -----Original Message-----
>> From: Vanagon Mailing List <vanagon@gerry.vanagon.com> On Behalf Of KIM
>> BRENNAN
>> Sent: Friday, February 12, 2021 11:14 PM
>> To: vanagon@GERRY.VANAGON.COM
>> Subject: Re: Search for tires
>>
>> Ah, you mentioned the Peloquin. My 91 non-GL Syncro has the Limited Slip
>> Locking Differential in the rear. So equipped with snow tires, it’s pretty
>> hardy in the winter. Of course, I also have disc brakes in the rear which
>> was the primary reason for originally upgrading to 15” wheels. I’ve never
>> really felt a need to go larger as I’ve been able to always find
>> appropriately load rated tires for my fleet. I use this van mostly in the
>> winter, so tend to keep winter tires on it year round. During warmer times,
>> the Chevy Bolt gets most of my miles…until the VW ID Buzz becomes available.
>>
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