They are apparently still there and still doing dyno work. It looks like
they are more into RV stuff now. My dad used them about that time to do
work on our 68 Ford Van. Major improvement. They had and maybe still do
have a great reputation for outstanding work. This is their listing:
John Geraghty Automotive
4062 Verdugo Rd.
Los Angeles, CA 90065
The RV Engine Specialists
>It describes how a company in Los Angeles, Geraghty Automotive,
>recurved the distributor and turned the needles in a lathe using trial
>and error to increase the HP at the wheel from 50 to 70 at 5000 rpm on
>an otherwise stock TR6. That's a 40% increase! Somewhat surprisingly, CO
>and hydrocarbon emissions where reduced at idle and CO was reduced 25%
>under load. Geraghty offered a kit of weaker advance springs and custom
>profiled needles for $25.00. Any left coasters here of this Garage? The
>location is listed as 4062 Verdugo Rd.