It's not a bad synchro, it's a worn out detent in the first gear
coupling sleeve. If it is rebuilt, it wasn't inspected/done right.
This is a common problem and often overlooked in a rebuild.
On Feb 9, 2011, at 11:00 AM, spridgets-request at autox.team.net wrote:
> Message: 8
> Date: Tue, 8 Feb 2011 23:56:00 -0600
> From: "Jim Seippel" <aseippel at austin.rr.com>
> Subject: Re: [Spridgets] '73 Midget
> To: "'Jess Power'" <jessmd1 at comcast.net>, <spridgets at autox.team.net>
> Message-ID: <email@example.com>
> Content-Type: text/plain; charset="us-ascii"
> Most likely causes: Bad synchro, endplay on output shaft (loose nut
> spacer), bad bearing, weak/missing detent springs, worn shift fork.
> -----Original Message-----
> From: spridgets-bounces at autox.team.net
> [mailto:spridgets-bounces at autox.team.net] On Behalf Of Jess Power
> Sent: Tuesday, February 08, 2011 10:15 PM
> To: spridgets at autox.team.net
> Subject: [Spridgets] '73 Midget
> 1973 MG midget pops out of second gear when you let off the gas
> pedal? What causes this?Supposedly a new or rebuilt transmission.