Starters from TR3 TS 50000 on through the 4A, according to the Moss catalogue,
are the same. This is true for original and hi-torque starters. That would
seem to be when Triumph made the switch from shrink on to bolt on flywheel ring
gears.
Terry Smith, '59 TR3A TS 58667
New Hampshire
----- Original Message -----
From: "Steven Dennis" <tr4driver@verizon.net>
To: "Dean Tetterton" <tr3a58@verizon.net>, "Andrew Uprichard"
<auprichard@uprichard.net>
Cc: triumphs@autox.team.net
Sent: Friday, February 19, 2016 7:42:05 PM
Subject: Re: [TR] TR4A engine and clutch
The arrow is a TDC mark that should line up with a mark on the block.
From: Dean Tetterton <tr3a58@verizon.net>
To: Andrew Uprichard <auprichard@uprichard.net>
Cc: triumphs@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 location
changed 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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