I've used a deep socket the size of the id of the disc center hole on a short extension...it was 7/16" I believe...
Worked fine, but look in the hole with a maglite to see that its all lined up..
Enjoy... 

    On Wednesday, March 29, 2017 1:55 PM, Jim Felder <jim.felder@GMAIL.COM> wrote:
 

 FLAPS/Harbor Freight? I have used a harbor freight alignment tool on
everything from a Porsche 911 to an MGA to Vangons. They will fit anything.

Jim

On Wed, Mar 29, 2017 at 12:33 PM David <fjazzbass@gmail.com> wrote:

> Just like the subject line says...any recommendations or do I wait to get
> it ordered? I can't find the one I'd been hanging on to for the past decade
> 😫
>
> Thanks in advance....
>
> Dave
> 85 GL with big ol empty engine cavity...
>