Mike,
As far as the bottom end not taking the stress I've never heard of the PI
TR6 engines having any universal problems handling the stress of 150 hp
which is about what you'd get from adding a supercharger. My assumption is
that power is power whether it comes from a supercharger or PI...but I could
be wrong about that too.
I think the problems with adding a supercharger to a TR6 engine have more to
do with handling the additional heat, keeping it from predetonating and
keeping it from over-revving and blowing up. The former you can handle by
adding an oil cooler and/or more efficient radiator and the later two by
getting an ignition system that controls predetonation and over-revving.
I'd be curious to know from our British listers (or those with PI TR6
engines) if they've had bottom end problems with their greater hp engines.
Bud Rolofson
71TR6 CC57365 (Good 6)
66TR4A CTC57806 (The Wreck-Almost Parts)
66TR4A CTC57529 (The Project)
----- Original Message -----
From: "mike" <mike@gsta.net>
To: <triumphs@autox.team.net>
Sent: Monday, April 08, 2002 9:27 PM
Subject: Supercharged Triumph Engine
> Hi List,
>
> I'm thinking about adapting a magnacharger supercharger to a TR6 motor. A
> very good friend of mine who has about 30 years of TR restoration under
his
> belt seems to recall someone trying something similar but with limited
> success. Apparently the TR6 bottom end can't take the stress so he kept
> tearing up the bearings/crank/etc... What do you guys think about this?
>
> ~Mike Brooks
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