55 Shot NOS on Auto Stock Internals?

[Addict]

Originally posted by eXNBP
Hmmm what exactly do colder plugs do And how do you check the timing Do you have to have a shop cehck it for you?

As far as timing goes. You basically need a timing gun(about $50) and bit of knowledge. I would get a Helms manual to guide you on this. And yes you can have your local shop check it out for you.