[Healeys] Dropped the engine - source for manifold-carb studs?

Mark LaPierre lapierrem at sbcglobal.net
Tue Aug 11 20:34:13 MDT 2009


Sorry but common sense tells me that that procedure just doesn't make common 
sense.
Too much money riding on those parts to inflict that much torque and twist. 
Man o Man
Just the thought of Big Bertha hangin in the air from my newly rebuilt 
rocker shaft gives
my stomach a jolt.

Sure does make me wonder how many times this process was tested and  whose 
vehicle
was used as the guinea pig before they decided it was OK to do this.

I still think those big O monster head studs is the way to go.

But thats just me.

Mark


----- Original Message ----- 
From: "Earl Kagna" <kags at shaw.ca>
To: "Healey list" <healeys at autox.team.net>
Sent: Tuesday, August 11, 2009 1:43 PM
Subject: Re: [Healeys] Dropped the engine - source for manifold-carb studs?


> All:
>
> At the risk of muddying the engine lifting waters:
>
> I have a friend here who is a Healey repairer / restorer.  He is a factory
> trained Jaguar mechanic.  He has built literally hundreds of Healey 
> engines
> / gearboxes / other mechanicals over the course of his carreer.
>
> When he installs a Healey engine - often into a car that is undergoing a
> complete restoration, he wraps his lifting chain around the rocker shaft, 
> so
> the weight is taken by the assembled shaft.  He much prefers to install 
> the
> engine and gearbox assembled together as a unit - a few extra minutes when
> lowering the whole thing into place, but a lot faster in total, and less
> chance of damaging a clutch disc during assembly.  He has never had any
> repercussions doing it this way.
>
> At first I thought it a little weird - I had always used the two valve 
> cover
> studs with lifting brackets (didn't realize until now that they were
> probably Westminster sedan bits) securely bolted to them.  At certain 
> points
> in the 'tilt', no question that one chain / stud / bracket is taking most 
> of
> the force - even though that is the approved method, it always made me a
> little nervous.  Thinking about it, the rocker shaft method distributes 
> the
> force over a greater number of fasteners.
>
> Food for thought!
>
> Earl Kagna
> Victoria, B.C.
> BT7 tri-carb
> BJ8
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