[Fot] Spitfire Synchros

[John Styduhar]

Steve, is there any stamping or other identification marking on the better
synchros for the TR3-4 box, or do they look the same as the other brand?


On Wed, Aug 6, 2014 at 5:08 PM, Steve Yott <tr4 at wi.rr.com> wrote:

> The late Spitfire (large) synchros offered by the big suppliers are all
> "County" brand and they are a problem.  I have run through many and all of
> them are of poor quality.  The issue is that they are not round and I have
> measured them as being oval by up to .008" to the point where you can
> actually feel them rock on the gear.  They do not grab the gear as they
> should mostly because of the out of round issue.  The TR (big box)
>  "county"
> branded synchros seem to work fine in street gearboxes but I don't use
> these
> on the competition boxes that I build.  For these I use the new German made
> synchros offered as "heavy duty" synchros from the large suppliers.  They
> seem to be a better build and grab the gear very well.
>
> For a Spitfire I recommend digging into a used box and grabbing all the
> good
> synchros you can find and especially the 3rd and 4th gear parts as these
> usually have good life left in them.  I have had many issues with the
> "county" synchros and mostly with 2nd gear not wanting to engage and all
> were resolved by reusing good original synchros salvaged from other gear
> boxes.
>
> Just my opinion and it sure would be nice if County would investigate this
> problem and find a solution.
>
> Steve Yott
> Silver Lake Triumph Centre
>
>
> -----Original Message-----
> From: Fot [mailto:fot-bounces at autox.team.net] On Behalf Of Spitfire Racing
> Sent: Wednesday, August 06, 2014 2:48 PM
> To: 'Joe Guinan'
> Cc: fot at autox.team.net
> Subject: Re: [Fot] Spitfire Synchros
>
> I have been using the synchros from Spitbits and never had a problem on
> Spitfires and GT-6s. I think you may be confusing these with the synchros
> for the big TR's, most of which are junk made by the big three in China.
> There is some hope as I have heard of some German sourced ones that are
> both
> correct dimension and proper Rockwell hardness. Moss is selling these as a
> "premium" synchro as is I believe Rimmer Bros.
>
> Russ
>
> -----Original Message-----
> From: Fot [mailto:fot-bounces at autox.team.net] On Behalf Of Joe Guinan
> Sent: Wednesday, August 06, 2014 3:02 PM
> To: fot at autox.team.net
> Subject: [Fot] Spitfire Synchros
>
> Is the "Common Knowledge" that repro synchronizer rings are junk still
> current, or has anyone had success with new batches of these buggers?  A
> friend is having to rebuild a late single rail box because it refused to
> shift into 2nd gear, and so we thought we ought to at least check on what
> is
> available.
>
> I have a couple spare single rail boxes laying around, so can probably
> mix-n-match what we find is needed, but it would sure be nice to not have
> to
> tear down several transmissions to fix one.
>
> Joe Guinan
> Fremont, NE
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