What are these helix angles???

M

makoren

New member
Joined
Jan 17, 2010
Messages
17
Age
54
Location
Cottage Grove,MN
I am having no luck finding these helix angles. Does anyone know where I could find a list for these. The numbers on the helixes are 8bv86, 8bv30, and hauk H.
 
the 30 would be 43*, never seen an 86, number doesnt jive with oem style. could be re-cut and re-stamped or you misread the number. others should chime in on the hauck. there was a hauck list posted on here some time back.
 
there's the aftermarket helix thread in the tech faq section. didn't see the hauck h though. I'd like to know too I've got one of those hangin around. I could measure it I suppose next time im in the shop but would like to know the claimed angles
 
Thanks for the reply guys. From what you are all telling me the 8bv30 is a 43* and the 8bv86 is also a 43*. They are for sure not identical angles when matcing them up though. Now I am really confussed.
 
Well I found a post from Mopar1rules way back in January of last year which said"hauck H which is suppose to be 47/43, measures 45/41". So that one is a multi angled helix. Which one should be a better one to use for the stock setup for my 97 600sx then? I have read in Turks area that the best one is a 51/43 but then gear up one tooth. Which gear should it be or is it both?
 
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