Posted by JOhnD on 11/7/2007, 5:55 pm, in reply to "Re: Adjustable cam sprockets"
86.156.196.174
I question the need for one of these:-
You can't adjust them without dismantling the front of the engine - unless you make a removeable plate for the front of the timing cover.
Triumph designed the standard sprocket to allow fine adjustment, by bolt holes offset from the tooth centres. The wheel has 42 teeth, so that's one tooth per 4.29 degrees of crankshaft turn - call it four and a quarter. Then, rotating it 90 degrees on the camshaft allows it to be changed by half a tooth - 2.125 degrees. Then turn it back-to-front and bolt back in the same position for a quarter tooth change - one degree and a fraction far too small to be useful.
What more do you want?
John
--Previous Message--
: Scott I think Ken Gillanders sells them.
: If not either he or Ted @ TSI could
: recommend a good source.
: Ken Gillanders
: British Frame & Engine
: somewhere in California
:
: or send an email to the webmaster, we
: recently put one in his 6 cylinder, I
: can't remember the supplier.
: HTH
: Glen
:
: --Previous Message--
: Can anyone recommend a source for an
: adjustable cam sprocket for the GT6 - I
: would think it would fit any Triumph
: equipped with a dual row chain - TR6,
: GT6 or Spit.
:
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