Thread: Pin drive bolts splitting Help Please
View Single Post
  #59 (permalink)  
Old 01-02-2009, 06:59 PM
cdnus cdnus is offline
CC Member
Visit my Photo Gallery

 
Join Date: Dec 2004
Location: toronto, ont
Cobra Make, Engine: 408w 500 h.p. 550 ft.lbs
Posts: 562
Not Ranked     
Default
David,
I had checked for some reason a while ago how much material was left in the rim at the bottom of the holes & it didn't seem like much was there. I phoned Bob & he confirmed that they cannot be deepened for fear of breaking through the front.
So mine at least are limited to a total length of approx .750".
Someone with a different backspacing may have deeper holes, but I believe Vintage only supplies 1 style of nut regardless. I am unaware if they have changed to a non-tapered ( flat bottom) style of nut.

Thanks Craig
Reply With Quote