I don't remember anyone saying the chain was a weak link in the V8s. 
The TR7 4 had a single wide the full production run but the sprint 4
valve had a double wide.  However, when I build up my V8 for my TR7, I
am most definately going to use a true roller chain!  
Dan Carrington
Sandwich Maker wrote:
> 
> "From: "Glen Wilson" <GlenWilson@worldnet.att.net>
> "
> "
> "
> "what I've read, the Triumph 3 litre V8 was a nice engine if cared for
> "properly.  Unfortunately, few seem to have been cared for properly and a lot
> 
> one major weakness the triumph/saab four had which i believe the v8
> shared was the timing chain.  my family had two '71 saabs and both
> succumbed to chain problems, one expensively.  saab took production
> internal for '72 and one of the first things they changed was the
> chain, from single to double-row.  triumph did also in '76 or '77 on
> their fours, but i think the v8 was gone by that time.
> Andrew Hay                              there is nothing more fulfilling
> internet rambler                        than doing a good deed in secret
> adh@an.bradford.ma.us                   and then being discovered
 
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