Yep, a lot of people have this problem,.
Here's your options and I've given you three more.
1/ The MSD adaptor.
pro if it works great,
con doesn't always work.
2/ Autometer Monster Tach.
pro fits hole exactly,
con no turn signal and high beam indicator lights, not "correct", mo' money.
3/ TACH-ADAPT.
pro it works,
con mo' money.
4/ Rebuild you tach with modern internals, "how to" link below.
pro cool DIY mod, if you into this kind of thing it's a cool project,
con mo' money and time, takes a bit of skills and soldering talent.
914World.com - The fastest growing online 914 community!
5/ BTW The guy who wrote the above will also do this for you.
pro great guy,
con mo' money.
6/ North Hollywood speedo.
pro nice,
con way-way mo' money!
Damn hard to get past the mo' money bit.....
