<VV> &lt;VV&gt; Camshaft Timing Question

[Rick Norris]

I keep a known used good GM gear in my tool box just for the purpose of
checking new cam gears. Simple and easy.

Rick Norris
1st CORSA President, 1971
www.corvairalley.com
Hurricane WV



-----Original Message-----
From: VirtualVairs [mailto:virtualvairs-bounces at corvair.org] On Behalf Of
Bob via VirtualVairs
Sent: Sunday, June 28, 2015 7:20 PM
To: jld at wk.net; virtualvairs at corvair.org
Subject: Re: <VV> <VV> Camshaft Timing Question

Just a follow up...
I checked a couple of other cam gears and the timing marks were BELOW and
between the teeth while the one I was working on had its mark ON the tooth.
I remarked it to match the ones from my stock (as well as I could) and
everything lined up perfectly!
Regards,
Bob


-----Original Message-----
From: Jim Davis [mailto:jld at wk.net]
Sent: June 26, 2015 3:34 PM
To: bgilbert at gilberts-bc.ca; virtualvairs at corvair.org
Subject: RE: <VV> Camshaft Timing Question

Every once in a while, a bad batch of cam gears shows up (the slot for the
Woodruff key is miss cut).  If you have a used Chevy cam gear, you can check
the slots position for confirmation.  I have switched to Ray Sedman's
adjustable cam gear for that reason about two years ago.
Jim Davis.  



------- Original Message -------
>From    : Bob via
VirtualVairs[mailto:virtualvairs at corvair.org]
Sent    : 6/26/2015 10:49:37 AM
To      : virtualvairs at corvair.org
Cc      : 
Subject : RE: <VV> Camshaft Timing Question

 HI,

I'm just early on in the process of re-assembling my
3.1 for my UltraVan and
yesterday I put the crankcase halves together.

I have the shop manual but mostly followed the directions in Bob Helt's book
for aligning the camshaft to the crankshaft.

As with the first build there is no way I can get the alignment marks
absolutely together. The closest I get is about a half tooth off.

I pulled the camshaft several times and moved it 1 tooth forward and
backward.

Everything else looks right i.e. number 2 piston is at TDC as per Bob Helt's
book

It ran like this the first time but now I'm curious - has this happened to
anybody else? Do I need to be concerned?

 

Thanks,

Bob

 

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