[Ducati] Which 900 engines had the bad studs

[Rich Roberts]

I doubt anyone would doubt APEs products, but do they make cyclinder studs for the Ducs. I was not aware of that.  Honda waists alot of their critical fasteners as well and in some cases, most of those cases I gather they do it on purpose, better to break bolt than to pull threads. I have some experience there, having waisted fasteners break and not damage threads at all. Not sure why you would not just make it so nothing breaks but in the never ending quest for weight savings every gram helps, it should not break under normal use is the idea, only under overloading and then if it does not pull threads that is a bonus. 
Alex Ortner <aortner264789mi at comcast.net> wrote:  Hi Dave
I will tell you from an engineer's point of view concentrating all the
stretch in a one inch section of bolt the way Nicholas does just looks
wrong and I wouldn't use them. I have not heard of any failure mind you
I just can't trust them. APE has the highest credentials in the race
bolt world for high performance engines. When I needed special high
strength bolts for a 2 liter 500 hp motor I was building I call APE. I
used nothing but APE bolts in the 700 hp Can Am historic racer I
restored and help campaign. I used titanium cylinder head bolts I made
myself in my GP Due without failure and no I won't sell any sorry.
Alex Ortner
1036CS
908SSP
966Gp Due
Audi allroad
Mailto:aortner at comcast.net
www.alexortner.com
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