<VV> VirtualVairs Digest, Vol 180, Issue 14

hallgrenn at aol.com hallgrenn at aol.com
Fri Jan 10 12:26:24 EST 2020

  4. Re: Balance point for power pack (jvhroberts at aol.com)
  5. Re: Balance point for power pack (Jim Becker)

In Reference to the balance point question, I recently used my hoist to move a 1968 110 PG powerpack using the bell housing lift boss/hole AND the engine rear mount bracket.  I had already removed the starter, carbs and alternator, but the exhaust manifolds and exhaust pipe and muffler were still attached.  My feeling (and just my feeling) was that if the starter, alternator and carbs had been installed, but NOT the exhaust pipe and muffler it would have been close to balancing on the bell housing lift point.  If I ever do it again I plan to confirm.
Bob Hall

Message: 5
Date: Fri, 10 Jan 2020 09:39:08 -0600
From: "Jim Becker" <mr.jebecker at gmail.com>
To: "John Gull" <johngull at me.com>,    <virtualvairs at corvair.org>
Cc: "John Gull" <johngull at me.com>
Subject: Re: <VV> Balance point for power pack
Message-ID: <B37BEE03BC934C2A9FED496C9D248A9E at JimDesktop>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";

Quoting the '60 Shop Manual, "The center of gravity or balance point of the 
complete power train is located approximately .200" behind the front face of 
the cylinder block."  I assume this is with a 3-speed manual transmission. 
A Powerglide only adds about 20# to the 460# of the complete unit, so I 
wouldn't expect that option to move it much.  Other variations of 
engine/transmission shouldn't have much effect either.

I find it somewhat amusing that they say "approximately" then quote the 
position down to one thousandths of an inch.

Jim Becker

-----Original Message----- 
From: John Gull via VirtualVairs
Sent: Friday, January 10, 2020 5:42 AM
To: virtualvairs at corvair.org
Cc: John Gull
Subject:  Balance point for power pack

Where is the balance point for the Corvair engine with Differential& 
Transmission attached? I am thinking where bell housing attaches to engine 
block but not sure. Thanks John Gull


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End of VirtualVairs Digest, Vol 180, Issue 14

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