I want to try them and would like to know who has them cheap.Right now I shoot a Tembo 70#  @ 31" and Im using 60-65# poc@ 32" with a 125 woodsman.I dont know if they will be to heavy(145gr) and don't want to spend a lot to have it not work out.And the classifieds don't have them.Any help would be great.

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I think the 145gr are for 5/16" shafts,not 11/32"

The 145 grain are 5/16 ferule size.  11/32 heads are listed as 160 grain, but the half dozen I have are all 175 grains or more, at least they were before sharpening,

My arrows are 11/32 do you think that 160 would work for my set up

and if I went with a 145 5/16 what would I have to do to make them fit?

they take a bit of sharpening but they give great arrow flight and i have used them on many pigs here in Oz ... i think they tend to take the better " file " edge rather than the razor edge but i have never had any breakages or bends etc .
once you learn the knack of sharpening them the are pretty easy to get an edge on and touch up with a file .
just my two cents
Ben

lpcjon2 send me your address and I'll send you a few, got a bunch laying around.There is a bit of a learning curve to get them sharp but they fly great you shouldn't have a problem w/your set up

If you like that design, I would suggest you look at the Simmons Interceptor. A much better head IMHO.  Someone bought them out and is starting to make them again. Better steel than HHBHs and alot stronger.

The 160s might be a bit heavy for your current shaft. 5/16 heads  will fit on 11/32 shafts, it's just that the shaft will be larger than the head ferule, which reduces penetration a little.  However, Hills are good flying and penetrating heads.  Sharpening them has also been a bit of a problem for me.  I have a difficult time getting them as sharp as some other heads like Magnus or Stos or Zwickey, for example.

simmons are stronger, but seem too wide and radical. HH aren't the strongest, but decent. For nastalga, cool, but any straight head is likely a bit better, Girz, magnus, stos, zwickey.

I have found that because wood is spined on 26" centers, it is necessary to add 5 lbs for each inch of arrow over 28". Add 5 lbs/25 gr increase in point weight. Add 5 lbs for Fast Flight and deduct 5# for traditional longbow.
At 70# @ 31"  70-75# spine, your adding 15 # for 3 inches, and 5# for added point wt., minus 5# for traditional longbow. Nothing added for FF string, assuming you are using B50, D97. It figures out to 85 - 90# spine with the 160 gr. maybe 80-85 lbs.

You might try shooting a few shafts that are heavier spine. If you can't find some, let me know I have some you can try, bare-shafts.

It helps to shoot arrows of the proper length, if you have more than 3/4 - 1.0 inch overhang with a broadhead, think of it as wasted. You gain nothing.

Thanks Hud,I have some shafts that with 125 up front are tailing left(to heavy spine) I will try the 160 heads on them and see how they do.