Hmmm, if you want faster PR, try to build link, 15 to 20 days before the update.

Originally Posted by webmasterz

I was really surprised at the response that I read in the market forum over here regarding achieving a higher Pagerank posted by a few of the experts.I have been working in SEO since last one year and had never heard of such quick results.Can anybody explain to me how is it possible to get a PR4 from the current PR 3 in such a short span?

if you want to get PR4 then you have to get some PR5 links (may be just 3,4) you will get the PR4 easily.

i guess google updates PR for every three months