even though I might be replying to my own post...

if anybody is in a bind and needs to borrow my gas cap, just drop me a
p-mail to jonbergga (at) gmail.com

jb

On Tue, Mar 13, 2012 at 5:34 PM, Jonathan Berg <jonbergga@gmail.com> wrote:
> My 90 Synco Westy passed the hard parts of Atlanta Metro emissions
> testing this weekend, but failed the open book portion - �pressure
> testing of the 2 year old OEM locking gas cap.
>
> The same thing has happened each of the past 3 years, but previously
> the testing wonks had been cooperative in fiddling with with adapter
> to get a pass or waive the cap test. Not so much this weekend.
>
> I found a suitable replacement cap that was visually and pneumatically
> acceptable for the test adapter.
>
> The new cap passed the test without much problem.
>
> I did have to bend the ears on it slightly to get a tighter seal on
> the filler neck.
>
> The Stant cap shall now hold a place of honor in my glovebox until my
> test next year - the OEM locking cap is back in place.
>
> The details -- Stant �#10843 - some 90's era BMW gas cap. Cost me $15
> at Pep-Boys.
>
> The general consensus seems to be that the Syncro gas cap is just a
> bit too tall to allow a good seal with the designated (red) testing
> adapter.
>
> Hope this helps somebody else. YMMV.
>
> Later,
> Jon
> 90 Syncro Westy -- Milton
> Alpharetta, GA