who preforms this task? would my lhs do it?

Depends on the Hobby Shop. Some might, most can't. I wouldn't trust the work to just anybody unless you want it trashed out.
Unless you're going to get really serious about racing, I wouldn't bother.

i am just looking for more speed

www.ebmods.com his work is outstanding, he did my picco .26 for me, and WOW!!!

was your engine brand new or had you broken it in also how much more speed did you get out of it after it was done,and the all important question,how much did it cost?

Check out the link, the costs are on there.

man thats more than i payed for the engine