[TR] TR4A engine and clutch

Steven Dennis tr4driver at verizon.net
Fri Feb 19 17:42:05 MST 2016


The arrow is a TDC mark that should line up with a mark on the block.


      From: Dean Tetterton <tr3a58 at verizon.net>
 To: Andrew Uprichard <auprichard at uprichard.net> 
Cc: triumphs at autox.team.net
 Sent: Friday, February 19, 2016 3:12 PM
 Subject: Re: [TR] TR4A engine and clutch
   
Don't forget that the front engine plate is different. Motor mount locationchanged because of the change in frame width.
Dean

On Feb 19, 2016, at 6:01 PM, Andrew Uprichard wrote:

So the engine I am building for the next TR3 is a TR4A engine.  Easy enough to remove the plug and use the TR3 engine breather, but of course the flywheel is different and I need to get a new TR4A clutch.  Questions:  is there a throw-out bearing sleeve specific to the TR4A?  Will a late TR3 starter work with the TR4A flywheel?   Is there anything else I need to be aware of as I move along?

By the way, just as an aside, why do flywheels have an arrow on the side, pointing towards the teeth?  Andrew Uprichard
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