Which reloading data to go by ?

[Tubs]

I would like to try some new bullets to me which are Nosler 55g Varmint with Viht N-133 my question is I can't find any data on the Nosler site for this combo but i have looked at 2 books and the Vihtavuori site and they all give different data for a 55g bullet with N-133 powder with starting and Max loads. E.g. Hornady book 55g Vmax - N-133 powder start 19.8grn and Max 22.7grn, Then Vihtavuori data site states with 55g Vmax N-133 powder start 21.5grn and Max 25.0grn. The Hornady book has been my bible for years as I've always used there bullets to reload but would like to try these Other bullets out and see how they perform. Any help would be great thanks.

[Bob57]

Just use the hornady data, same weight bullet, I'd start at 23.0, but if you're worried start at 22.5 and work up,(or down).

I used to get faster speed with noslers than hornady vmax same weight bullet