[TR] [6pack] TR6 timing Chain Tensioner Question

[Tony Gordon]

Hi Dick,

Just in case you are in need of some ideas on how to tension the chain in 
your new design .... I did a little searching on the Ford front and found a 
picture of the snail cam that was used to apply pressure with the single 
chain pad in the old days ... that is now available as a double width pad 
from the Formula Ford folks who still use the 1600 Kent (or crossflow) 
engine.  Although I will not venture to suggest that this is better than the 
current spring steel strip system used in the TR6, but it does seem to work 
well for the FF and the high revving and highly loaded camshafts of the Ford 
brigade.  And I must say that when I raced a very hot 1300 Kent engine 
(through a restrictor plate) so everything had to be done to the cam and the 
rocker gear, I never once had a problem with a failure or any evidence of 
significant wear. Having said that, the thing was so loud that I wouldn't 
have heard any timing chain noise anyway!

Regards to Grandma and hoping that she recovers her strength soon.

**************************************
Tony Gordon
72 TR6
**************************************
----- Original Message ----- 
From: "Sally or Dick Taylor" <tr6taylor at webtv.net>
To: <triumph at 2simpleusa.com>
Cc: "TR list" <triumphs at autox.team.net>; "6pack" <6pack at autox.team.net>
Sent: Wednesday, November 21, 2007 1:52 PM
Subject: Re: [6pack] TR6 timing Chain Tensioner Question 2


Tony---There are forces at work that could improve the whole front
engine cover, using  cast aluminum along with a hydraulic chain
tensioner. I won't put him on the spot for when this (product) will come
about, but I understand it's on the drawing board.

Grandma who?

Dick

From: triumph at 2simpleusa.com(<triumph at 2simpleusa.com>)

Thanks Dick,
I am sure that Grandma Hoses would have given a more pithy reply!
You are probably right; I was just surprised at how flimsy the unit is
compared to those used in small Fords (with a tensioner of about the
same length, albeit a single row chain). There is a reference in one of
Kastner's articles regarding the tensioner, plus the Improving your TR5,
250 and 6 book also mentions a means of improving the tensioner ... so I
was guessing that someone in the list was familiar with how this might
be done!
**************
Tony Gordon
72 TR6
**************************************

[demime 1.01d removed an attachment of type application/octet-stream which had a name of Kent tensioner.jpg]

[demime 1.01d removed an attachment of type application/octet-stream which had a name of Kent Double width pad.jpg]