<VV> Yoke bolts

[Tony Underwood]

At 06:17 AM 1/24/2007, D. Barry Ellison wrote:
>I'm about through fixing my 140 dropped valve seat problem.  Shoved 
>the engine under the car last night.  This car is a daily driver 
>that sees several autocross events each year and usually the NECC 
>Time Trial with the convention and if I'm lucky one more high speed 
>event somewhere.
>
>Gosh, I'm getting old.  I only vaguely remember changing my 
>differential yokes to 66+ style with 1/4-20 bolts.  (Aren't the 65s 
>smaller?)  I used grade 8 bolts with lock washers and 7/16" 
>heads.  The heads are larger than the originals and it's tough to 
>get a socket on them.
>
>Is there any reason I can't/shouldn't use an allen head with a flat 
>washer and a split lock washer remember the 120+/- mph I do 
>above?  Aren't they hardened or at least as tough as the grade 
>8s?  Are they too brittle?



Dr Porsche didn't think so...   ;)


tony..