<VV> Hardened, (or Nitrided) Crankshafts

[Harry Yarnell]

Hardened cranks have a '&' stamped on the flywheel end flange face.
But why do you need/want a hardened crank? Tits on a boar hog...
harry yarnell
perryman garage and orphanage
hyarnell1 at earthlink.net
----- Original Message ----- 
From: <MoVair at aol.com>
To: <virtualvairs at corvair.org>
Sent: Monday, February 12, 2007 3:44 PM
Subject: <VV> Hardened, (or Nitrided) Crankshafts


> Hello folks,
>  Recently, I was having a phone conversation with "Big John" Kirkman 
> about
> an engine I plan to build. It started as a 65, 110 engine with PG.  The 
> engine
> block has been assembled, using the stock 8409 crank. The cam has  been
> upgraded to Clark's OT-20. Plans are to run .040 pistons.
>  Now for my predicament. I have a set of 65, 140 heads in the machine 
> shop
> that will probably be ready this week. Although I still have a few  more 
> ducks
> to get in a row, I thought this would be another upgrade I could do. 
> Problem
> is, the crankshaft is not hardened. Remember, the engine is a 110.
>  Since the crank uses the same part number, regardless if it is  hardened 
> or
> not, is there a visual inspection I can do to determine a Nitrided  from a
> non-Nitrided crank? If not, is it possible to get a crankshaft  hardened?
>  At this time, the only other late heads I have are for a 95 HP  and I 
> don't
> want to use them. I'd get a set of 110 heads first.
>  In case you're wondering, no, I don't have car to put it in  yet. That is 
> a
> bit further down the road. Right now, I just want to do the  engine.
>  Any info that anyone can provide will be of great help.  THANKS!!!
>
>
>    Kelly Parker
>    Oxford, GA. 30054
>    _MoVair at aol.com_ (mailto:MoVair at aol.com)
>    62 700 4-dr
>    62 Greenbrier Deluxe
>    64 Monza Convertible
>    65 Monza Coupe 140/PG
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