janspeed heads

[rich@minispares.com]

can anyone date a janspeed head from its serial number?

1640

[JC T ONE]

My conversion has 5930 on its head, and that was 1981 app.

I have an article about JanSpeed, and it says that if you send them the no, they can give you full spec on the head.

I tried, but nothing came of it I later found out, that there is a BIG difference on who you speak to, and which service you get

[1963'S']

Rich do you want me to go in there for you, they are 20 minutes away from me.
Steve