Follow up question - does anyone know the angle of the valve keeper
for the 5/16" valve stems? I'm trying to cross reference to a
commonly available valve spring retainer / collar.
My measurements are showing 5 to 6.5 degrees. I've found retainers
for 7, 8 and 10 degree keepers with either 1.375 or 1.365 OD. 1.375
seems to go with 7 degrees, 1.365 seems to go with 8 or 10 degree.
Interesting detail - the new alloy retainers from Moss don't fit the
new keepers from Moss very well. I think their retainers are either
mislabeled or for a different combination of parts...
Cheers, Tony
At 06:36 PM 1/3/2016, Tony Drews wrote:
>I'm going through my TR-4 head. Since BFE seems to be out of
>action, I purchased aluminum valve spring collars / caps from
>Moss. I find that they are smaller diameter than the cool titanium
>ones I'm running and smaller than my current
>springs. Unfortunately, the Titanium ones are wearing and need to
>be replaced. I don't have stock parts on hand to compare to, so I'm
>not sure if the Moss part is undersized or if I'm running larger
>than normal diameter stuff from Ken.
>
>The valve spring collar I've removed is 1.365" diameter, the outer
>spring is 1.380" diameter and the alloy spring collar from Moss is
>1.260" diameter.
>
>Anyone know of a source of lightweight valve spring collars for the
>1.380" springs?
>
>TIA
>
>Cheers, Tony Drews
>
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